---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Filter"
developer_entity: "Yasuko Shikiuchi"
bundle_id: "filter.yaas2016.jp"
app_store_id: "1104637075"
google_play_id: "com.prequel.app"
category: "Photo & Video"
primary_platform: "ios"
primary_monetization: "Subscription"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2026-04-30"
report_date: "2026-05-20"
last_verified: "2026-05-20T04:31:12.099Z"
report_version: "1.2"
total_reviews: 376712
overall_rating: 4.52
sentiment: "Mixed"
sentiment_score: 45
confidence: "high"
confidence_score: 0.7
top_praise_theme: "High quality filter effects provide a competitive edge for social media content creation"
top_complaint_theme: "Aggressive paywall expansion restricts previously free features and hides premium status behind save buttons"
top_request_theme: "Higher export resolution settings are required to maintain visual quality on modern Android devices"
review_sample_size: 50
total_review_count: 50
analyzed_review_count: 50
data_age_days: 43
momentum_velocity: "maintenance"
intelligence_version: 3
nemesis: "EPIK - AI Photo & Video Editor"
competitor_count: 11
tags: ["photo & video", "subscription", "mixed sentiment", "mobile app", "app review", "app analysis", "social", "media", "creators"]
canonical_url: "https://marlvel.ai/apps/filter"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Filter App Audit

## TL;DR {#tldr}

- **Category**: Photo & Video · Subscription
- **Signal**: Rating 4.52 · Sentiment Mixed
- **Recent focus**: Aggressive paywall expansion restricts previously free features and hides premium status behind save buttons (top complaint) · High quality filter effects provide a competitive edge for social media content creation (top praise) · Higher export resolution settings are required to maintain visual quality on modern Android devices (top request)

> **TL;DR:** Filter is a photo & video app by Yasuko Shikiuchi, rated 4.52/5 by 376.7K users, with Mixed user sentiment (45/100), available on iOS & Android.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Filter shows Mixed sentiment (4.52/5 from 376.7K reviews) — users praise high quality filter effects provide a competitive edge for social media content creation but report issues with aggressive paywall expansion restricts previously free features and hides premium status behind save buttons.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.52/5 (376.7K reviews) |
| **User Mood** | Mixed |
| **Category** | Photo & Video |
| **Developer** | Yasuko Shikiuchi |
| **Pricing** | Subscription |
| **Platforms** | iOS & Android |
| **Confidence** | High (0.7/1.0) |
| **Data Age** | 43d |

## Metadata & Market Performance
- **Publisher:** Yasuko Shikiuchi
- **Category:** Photo & Video
- **Target Audience:** Social media creators and casual photographers looking to apply trendy, aesthetic-focused filters and effects to Reels and photos.
- **Platforms:** iOS & Android
- **Version Audited:** 1.2
- **Audit Date:** 2026-05-20
- **Signal Count:** 50 reviews analyzed
- **Confidence:** High (0.7/1.0)
- **App Store ID (iOS):** 1104637075
- **Bundle ID:** filter.yaas2016.jp
- **Google Play ID:** com.prequel.app
- **Performance Trend:** Declining
- **Data Window:** Analysis based on signals collected up to 2026-05-20
- **Short Description:** Photo filters and video effects! Retro and vintage presets for editing pictures!

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Prequel is a photo and video editing app for social media creators, offering retro presets and AI-powered effects on iOS and Android.
**Why users hire it:** Users hire Prequel to apply high-effort aesthetic filters to Reels and photos in a single tap, reducing the time required to achieve a professional look.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] AI-Powered Style Transfer:** Converts portraits and selfies into comic book or artistic styles using on-device processing
  * *User Intent:* Users seek enhanced value through premium features.
- **[Differentiator] Batch Editing:** Applies consistent filters and adjustments to up to 10 photos simultaneously
  * *User Intent:* Users want to quickly find relevant content or features.
- **[Standard] Background Replacement:** Automated subject-background separation for creative composition
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

Prequel maintains a #33 Grossing position in the Photography category across multiple markets, but the gap between its free-tier discovery and paid-tier conversion is widening. The reliance on subscription-gated features for basic editing tasks creates a churn risk that competitors like EPIK are actively exploiting.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Subscription
- **Tiers:** Free tier with limited access, Prequel Gold subscription billed weekly, monthly, or annually
- **Analysis:** Subscription-first model anchored by recurring billing cycles, gating advanced VFX and AI tools behind the Gold tier.

<!-- section:sentiment -->
## 🟡 User Sentiment (High Confidence: 50 of 50 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.52/5
- **Platform Split:** Android 4.5/5 (376.7K ratings)
- **Overall Sentiment:** Mixed

### Top Praises
- **High quality filter effects provide a competitive edge for social media content creation**

### Top Complaints (Impact Areas)
- **Aggressive paywall expansion restricts previously free features and hides premium status behind save buttons**

### Top Requests (What Users Want)
- **Higher export resolution settings are required to maintain visual quality on modern Android devices**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Hollywood-quality filter library sustains organic install velocity
- Foreground-service export ensures completion of high-value workflows
- Batch-editing tools reduce time-to-publish for creators

**Critical Frictions:**
- Premium tier gating of formerly free features drives negative sentiment
- Mandatory onboarding surveys create high-friction entry barriers
- Android export resolution caps limit professional-grade output

**Growth Levers:**
- Education-focused partnerships for B2B distribution
- Expansion into wearable-integrated quick-edit workflows

**Market Threats:**
- Rapid AI-model iteration by Remini outpaces current development
- EU data-minimization trends threaten invasive onboarding flows
- Bytedance-backed Hypic ecosystem integration siphons short-form video creators

<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The app transitioned from a free, basic photo utility to a subscription-gated, AI-focused editing platform, resulting in increased user friction and negative sentiment.

**Overall trend**: Declining
**Compared at**: 2026-05-20

### High-impact changes
- **[Shifted] Subscription-first monetization** (pricing) — Model changed from free-only to a subscription-first model (Prequel Gold) gating advanced AI and VFX tools.
- **[Shifted] Market repositioning** (positioning) — Shifted from a casual photo utility to a professional-grade, AI-powered editing tool for social media creators.
- **[Declined] Paywall-driven sentiment erosion** (sentiment) — New complaints emerged regarding aggressive paywall expansion and the locking of previously free features.

### Medium-impact changes
- **[Added] AI-powered editing suite** (features) — Added AI-powered style transfer and batch editing as core differentiators.
- **[Added] New friction points** (swot) — Added mandatory onboarding surveys and Android export resolution caps as identified weaknesses.

<!-- section:rivals -->
## Rivals Landscape {#rivals}

> Competitive positioning identified by AI analysis of app features, category, and market signals.

### Filter vs EPIK - AI Photo & Video Editor — Head to Head
- **[EPIK - AI Photo & Video Editor](https://marlvel.ai/apps/com-snowcorp-epik)** by SNOW Corporation: EPIK dominates the exact same niche of all-in-one photo/video editing with a massive, active user base and high-frequency feature updates.
  - **Moat strength:** Medium — durable but contestable
  - **Key differences:**
    - Offers advanced AI-driven portrait retouching tools that go beyond standard retro filters
    - Provides a comprehensive suite of video editing features specifically optimized for social media trends
    - Maintains a consistent release cadence of 12 updates in six months to keep pace with trends
  - **Where Filter wins:**
    - ✅ Target app focuses on a simplified one-tap retro aesthetic which reduces user cognitive load
    - ✅ Target app's niche retro-specific presets offer a more curated vintage look than generalist editors
  - **Where EPIK - AI Photo & Video Editor wins:**
    - ❌ EPIK provides a broader ecosystem of AI tools including background removal and smart object selection
    - ❌ EPIK's integration with social media workflows allows for faster export and sharing of edited content
  - **Verdict:** The target app must pivot toward specialized AI-assisted editing to compete with EPIK's feature-rich, all-in-one platform.

### Contenders (Strong Challengers)
- **[Remini - AI Photo Enhancer](https://marlvel.ai/apps/com-bigwinepot-nwdn-international)** by Bending Spoons Apps ApS [Moat: High]: Remini is a massive competitor in the AI-enhancement space, capturing significant market share with high-velocity updates.
  - Specializes in high-fidelity AI restoration of low-quality photos, a distinct vertical from retro filters
  - Aggressive release schedule of 30 updates in six months signals rapid AI model iteration
- **[Hypic - Photo Editor & AI Art](https://marlvel.ai/apps/com-xt-retouchoversea)** by Bytedance Pte. Ltd [Moat: Medium]: Bytedance-backed editor that directly competes for the same creative audience with advanced AI art features.
  - Integrates advanced AI art generation tools that allow users to transform photos into stylized digital art
  - Leverages Bytedance's ecosystem to provide seamless transitions for short-form video content creators
- **[Lensa AI: Photo Editor](https://marlvel.ai/apps/com-prisma-ai-lensa-app)** by Prisma labs, inc. [Moat: Medium]: Strong contender in the AI-driven creative space with a focus on high-quality artistic filters and effects.
  - Pioneered the AI avatar generation trend which drives high user engagement and viral social sharing
  - Focuses on premium artistic transformations rather than just basic retro-style color grading presets
- **[InShot - AI Video Editor](https://marlvel.ai/apps/com-camerasideas-instashot)** by SHANTANU PTE. LTD. [Moat: High]: A dominant force in mobile video editing that captures the same audience looking for quick social media content creation.
  - Offers a robust timeline-based video editor that is significantly more powerful than simple filter-based apps
  - Includes comprehensive audio editing and music integration tools for professional-grade mobile video production

### Peers (What They Do Better)
- **[VSCO: Photo Editor & Presets](https://marlvel.ai/apps/co-visualsupply-cam)** by Visual Supply Company: A legacy player in the photo filter space, serving as a benchmark for aesthetic-focused editing.
  - Maintains a strong brand identity centered on high-quality film-emulation presets for professional-looking photos
  - Operates a community-driven platform that encourages social sharing and discovery of creative photography
- **[Meitu- AI Photo & Video Editor](https://marlvel.ai/apps/com-meitu-mtxx)** by Xiamen Meitu Technology Co., Ltd.: A massive, long-standing competitor in the Asian market with deep expertise in beauty and filter technology.
  - Features highly sophisticated facial recognition and beauty-enhancement algorithms for portrait photography
  - Provides an extensive library of AR stickers and interactive effects that appeal to younger demographics
- **[Toonapp: AI Photo & Video Art](https://marlvel.ai/apps/com-lyrebirdstudio-cartoon)** by Lyrebird Studio: Focuses on the specific sub-genre of AI-powered cartoon and artistic transformations.
  - Automates the conversion of photos into various cartoon and anime styles with a single tap
  - Targets a specific niche of users interested in stylized, non-photorealistic image editing
- **[YouCam Makeup: Face Editor](https://marlvel.ai/apps/com-cyberlink-youcammakeup)** by PERFECT MOBILE CORP.: A specialized editor focusing on virtual makeup and face-editing tools.
  - Uses advanced AR technology for real-time virtual makeup application and skin texture refinement
  - Partners with beauty brands to offer realistic product trials within the editing interface

### New Kids on the Block (What's Innovative)
- **[AI Video - AI Video Generator](https://marlvel.ai/apps/ai-video-generator)** by HUBX: Rapidly emerging player with 23 releases in the last six months, signaling aggressive AI feature deployment.
- **[Momo: AI Photo & Video Maker](https://marlvel.ai/apps/com-scaleup-dreame)** by SCALEUP YAZILIM HIZMETLERI: High-velocity newcomer with 30 releases in the last six months, indicating a rapid testing and iteration strategy.

<!-- /section:rivals -->
<!-- section:whats-new -->
## What's New

- **Latest (v1.1, 10 years ago):** General bug fixes.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Maintenance) {#momentum}

- Integrated AI-powered portrait-to-art conversion tools.
- Expanded library of 200+ Hollywood-quality filters.

> **Cadence:** 4 total versions · 0 majors in last 6 months · 19 days since last update · 1216 days avg between updates

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Filter is an established photo & video app that is available.
With a 4.52/5 rating from 376.7K reviews, it shows polarized user reception.

<!-- speakable-start -->
> **Bottom Line:** Prequel retains users through high-quality aesthetic presets, but aggressive monetization of formerly free features is eroding the user base, so the PM must prioritize technical stability and onboarding friction to prevent further attrition.
<!-- speakable-end -->

**Best for:** Social media creators and casual photographers looking to apply trendy, aesthetic-focused filters and effects to Reels and photos.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [PIVOT] [HIGH IMPACT] Pivot onboarding flow to include a skip option because mandatory surveys are the #2 churn driver → increase top-of-funnel conversion. — *Sentiment analysis identifies mandatory surveys as a primary barrier to entry.* _(trade-off: deprioritize Pause the development of new AR sticker packs.)_
- [ ] [INVEST] [HIGH IMPACT] Invest in Android export resolution parity because low-res caps are the top technical complaint → reduce churn among power users. — *User requests specifically cite export resolution as a limitation on modern devices.* _(trade-off: deprioritize Delay the Q3 rollout of new Hollywood-quality filter sets.)_
- [ ] [MAINTAIN] [MEDIUM IMPACT] Maintain foreground-service export stability because it is the primary mechanism for high-value workflow completion → defend retention. — *Foreground service is a core retention lever for preventing task interruption.* _(trade-off: deprioritize Same-quarter capacity available; no major lever displaced.)_
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### Feature Gaps vs Competitors

- Real-time AI avatar generation (available in Lensa AI but absent here)
- Timeline-based video editing (available in InShot but absent here)
<!-- /section:feature-gaps -->

<!-- section:outlook -->
### Outlook: Declining

The photo-editing market is consolidating around AI-driven, high-velocity feature deployment, leaving Prequel exposed by its current maintenance-mode update cadence. Unless the team pivots to address technical debt and onboarding friction, the current sentiment decline will accelerate churn into the next quarter.

- 🔴 Aggressive paywall expansion in the latest update drives negative sentiment, which compounds the churn risk among casual users.
- 🔴 Technical instability and export resolution caps on Android devices prevent professional-grade output, forcing power users toward more robust competitors.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.52/5 |
| Total Reviews | 376.7K |
| Sentiment | Mixed (45/100) |
| Confidence | High |
| Pricing Model | Subscription |
| Platforms | iOS & Android |
| Key Features | 3 analyzed |
| Trend | Declining |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Filter** (this app) | 4.52/5 | Mixed | Yasuko Shikiuchi |
| [Toonapp: AI Photo & Video Art](https://marlvel.ai/apps/com-lyrebirdstudio-cartoon) | 4.7/5 | Excited | Lyrebird Studio |
| [YouCam Makeup: Face Editor](https://marlvel.ai/apps/com-cyberlink-youcammakeup) | 4.7/5 | Mixed | PERFECT MOBILE CORP. |
| [Remini - AI Photo Enhancer](https://marlvel.ai/apps/com-bigwinepot-nwdn-international) | 4.6/5 | Mixed | Bending Spoons Apps ApS |
| [VSCO: Photo Editor & Presets](https://marlvel.ai/apps/co-visualsupply-cam) | 4.7/5 | Frustrated | Visual Supply Company |
| [Hypic - Photo Editor & AI Art](https://marlvel.ai/apps/com-xt-retouchoversea) | 4.7/5 | Mixed | Bytedance Pte. Ltd |

## Company Profile
- **Developer:** Yasuko Shikiuchi
- **Website:** [https://prequel.app](https://prequel.app)
- **Social:** [Instagram](https://www.instagram.com/prequelapp) · [Facebook](https://www.facebook.com/prequelapp) · [X/Twitter](https://twitter.com/prequel_app) · [TikTok](https://www.tiktok.com/@prequelapp) · [Discord](https://discord.com/invite/XtPK9MPR6N)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/filter/id1104637075?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.prequel.app&hl=en&gl=us)
- **Dev Site:** [Official Website](https://prequel.app)
- **Sources:** Developer website content, App store metadata, User reviews.

## Related Intel Reports
- [*Toonapp: AI Photo & Video Art*](https://marlvel.ai/apps/com-lyrebirdstudio-cartoon) (Lyrebird Studio) — 4.7/5 Rating | Positive Sentiment
- [*YouCam Makeup: Face Editor*](https://marlvel.ai/apps/com-cyberlink-youcammakeup) (PERFECT MOBILE CORP.) — 4.7/5 Rating | Mixed Sentiment
- [*Remini - AI Photo Enhancer*](https://marlvel.ai/apps/com-bigwinepot-nwdn-international) (Bending Spoons Apps ApS) — 4.6/5 Rating | Mixed Sentiment
- [*VSCO: Photo Editor & Presets*](https://marlvel.ai/apps/co-visualsupply-cam) (Visual Supply Company) — 4.7/5 Rating | Negative Sentiment
- [*Hypic - Photo Editor & AI Art*](https://marlvel.ai/apps/com-xt-retouchoversea) (Bytedance Pte. Ltd) — 4.7/5 Rating | Mixed Sentiment
- [*Meitu- AI Photo & Video Editor*](https://marlvel.ai/apps/com-meitu-mtxx) (Xiamen Meitu Technology Co., Ltd.) — 4.8/5 Rating | Negative Sentiment
- [*Momo: AI Photo & Video Maker*](https://marlvel.ai/apps/com-scaleup-dreame) (SCALEUP YAZILIM HIZMETLERI) — 4.5/5 Rating | Terrible Sentiment
- [*EPIK - AI Photo & Video Editor*](https://marlvel.ai/apps/com-snowcorp-epik) (SNOW Corporation) — 4.7/5 Rating | Mixed Sentiment
- [*Lensa AI: Photo Editor*](https://marlvel.ai/apps/com-prisma-ai-lensa-app) (Prisma labs, inc.) — 4.7/5 Rating | Mixed Sentiment
- [*AI Video - AI Video Generator*](https://marlvel.ai/apps/ai-video-generator) (HUBX) — 4.5/5 Rating | Terrible Sentiment

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** — Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** — Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** — Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction and evidence quoting.
4. **Competitive Landscape Analysis** — Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** — Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.7/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 50
- **Data Sources:** user reviews, developer website, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 43 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/filter)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.