---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Reverse Singing - Reverse Play"
developer_entity: "Mustafa Kulac"
bundle_id: "com.mustafakulac.ReverseSinging"
app_store_id: "6759224798"
google_play_id: "com.fighter.reversesinging"
category: "Music"
primary_platform: "ios"
primary_monetization: "Freemium"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2026-03-18"
report_date: "2026-05-19"
last_verified: "2026-05-19T11:20:22.792Z"
report_version: "1.0.1"
total_reviews: 2114
overall_rating: 3.58
sentiment: "Mixed"
sentiment_score: 75
confidence: "medium"
confidence_score: 0.85
top_praise_theme: "The reverse audio recording feature provides consistent entertainment value for casual users during social interactions"
top_complaint_theme: "Aggressive advertisement frequency interrupts the core recording experience and frustrates users during active play sessions"
top_request_theme: "Increased free recording capacity before the application triggers mandatory advertisement interruptions for the user"
review_sample_size: 52
total_review_count: 52
analyzed_review_count: 52
data_age_days: 44
momentum_velocity: "maintenance"
intelligence_version: 4
competitor_count: 1
tags: ["music", "freemium", "mixed sentiment", "mobile app", "app review", "app analysis", "social", "media", "content"]
canonical_url: "https://marlvel.ai/apps/reverse-singing-reverse-play-1"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Reverse Singing - Reverse Play App Audit

## TL;DR {#tldr}

- **Category**: Music · Freemium
- **Signal**: Rating 3.58 · Sentiment Mixed
- **Recent focus**: Aggressive advertisement frequency interrupts the core recording experience and frustrates users during active play sessions (top complaint) · The reverse audio recording feature provides consistent entertainment value for casual users during social interactions (top praise) · Increased free recording capacity before the application triggers mandatory advertisement interruptions for the user (top request)

> **TL;DR:** Reverse Singing - Reverse Play is a music app by Mustafa Kulac, rated 3.58/5 by 2.1K users, with Mixed user sentiment (75/100), available on iOS & Android.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Reverse Singing - Reverse Play shows Mixed sentiment (3.58/5 from 2.1K reviews) — users praise the reverse audio recording feature provides consistent entertainment value for casual users during social interactions but report issues with aggressive advertisement frequency interrupts the core recording experience and frustrates users during active play sessions.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 3.58/5 (2.1K reviews) |
| **User Mood** | Mixed |
| **Category** | Music |
| **Developer** | Mustafa Kulac |
| **Pricing** | Freemium |
| **Platforms** | iOS & Android |
| **Confidence** | Medium (0.85/1.0) |
| **Data Age** | 44d |

## Metadata & Market Performance
- **Publisher:** Mustafa Kulac
- **Category:** Music
- **Target Audience:** Social media content creators and casual users looking for quick audio manipulation tools for viral challenges or vocal practice.
- **Platforms:** iOS & Android
- **Version Audited:** 1.0.1
- **Audit Date:** 2026-05-19
- **Signal Count:** 52 reviews analyzed
- **Confidence:** Medium (0.85/1.0)
- **App Store ID (iOS):** 6759224798
- **Bundle ID:** com.mustafakulac.ReverseSinging
- **Google Play ID:** com.fighter.reversesinging
- **Performance Trend:** Mixed
- **Data Window:** Analysis based on signals collected up to 2026-05-19

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Reverse Singing Pro is a mobile audio-manipulation tool for iOS and Android that allows users to record, reverse, and apply voice effects to their clips.
**Why users hire it:** Users hire this app for low-stakes creative experimentation and social media content creation, using the reverse-audio mechanic to generate viral-style clips.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Reverse Audio Engine:** Captures and flips audio recordings instantly for playback and vocal practice
- **[Standard] Voice Effects Library:** Applies real-time filters including Alien, Chipmunk, Giant, Demon, and Robot modes
  * *User Intent:* Users want to quickly find relevant content or features.
- **[Standard] Unlimited Recording Access:** Removes the 7-recording limit imposed on the free plan
- **[Differentiator] Local-Only Processing:** Performs all audio manipulation on-device without cloud uploads or external server dependency
  * *User Intent:* Users expect seamless access across multiple devices.
- **[Differentiator] Swipe-based Navigation:** Browse recorded clips as cards with filtering by mode or duration
  * *User Intent:* Users want to quickly find relevant content or features.
<!-- /section:features -->

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

Reverse Singing Pro holds a #36 Free rank in the Russian Tools category, though the grossing performance lags behind its discovery reach. The reliance on a 7-recording free limit creates a conversion bottleneck that limits long-term revenue potential.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Freemium
- **Tiers:** Free plan limited to 7 recordings, Premium membership for unlimited recordings
- **Analysis:** Freemium model uses a hard count-based gate on recordings to force conversion to premium.

<!-- section:sentiment -->
## 🟡 User Sentiment (Medium Confidence: 52 of 52 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 3.58/5
- **Platform Split:** Android 3.6/5 (2.1K ratings)
- **Overall Sentiment:** Mixed

### Top Praises
- **The reverse audio recording feature provides consistent entertainment value for casual users during social interactions**

### Top Complaints (Impact Areas)
- **Aggressive advertisement frequency interrupts the core recording experience and frustrates users during active play sessions**

### Top Requests (What Users Want)
- **Increased free recording capacity before the application triggers mandatory advertisement interruptions for the user**

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

**Core Strengths:**
- Local-only processing mechanism reduces user friction
- Swipe-based navigation reduces interaction cost

**Critical Frictions:**
- 7-recording free limit forces conversion wall
- Aggressive ad frequency interrupts core sessions
- Intermittent recording engine errors

**Growth Levers:**
- Education partnerships as B2B distribution
- Integration of structured vocal-warmup drills

**Market Threats:**
- 7 Minute Vocal Warm Up's structured content
- High ad-to-utility ratio driving negative sentiment
- Technical instability eroding daily active habit

<!-- /section:swot -->
## Recent Changes (v3 → v4) {#recent-changes}

The app is facing increased user friction due to aggressive ad placement and technical instability, despite adding navigation and access features.

**Overall trend**: Mixed
**Compared at**: 2026-05-19

### High-impact changes
- **[Declined] Emergence of critical complaints** (sentiment) — New complaint themes regarding aggressive ad frequency and recording engine errors have surfaced, impacting the user experience.
- **[Shifted] Shift in target audience** (positioning) — Target audience focus moved from casual users to social media content creators looking for viral-style clips.

### Medium-impact changes
- **[Added] New feature set expansion** (features) — Added 'Unlimited Recording Access' and 'Swipe-based Navigation' to the core feature list.
- **[Added] Technical instability identified** (swot) — Added 'Intermittent recording engine errors' as a weakness and 'Technical instability' as a threat to the SWOT analysis.

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

- **Latest (v1.0.9, 1 months ago):** Optimized subscription/paywall flows, app startup, ad behavior, and general stability.
<!-- /section:whats-new -->

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

- Ships minor performance refinements.
- Maintains presence in Tools category.

> **Cadence:** 2 total versions · 0 majors in last 6 months · 54 days since last update · 24 days avg between updates

<!-- /section:momentum -->

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

Reverse Singing - Reverse Play is an established music app that is free with in-app purchases.
With a 3.58/5 rating from 2.1K reviews, it shows polarized user reception.

<!-- speakable-start -->
> **Bottom Line:** The app provides high entertainment value through its core reverse-audio mechanic, but aggressive ad placement and technical instability threaten long-term retention, so the PM should prioritize engine stability and ad-frequency optimization to protect the user base.
<!-- speakable-end -->

**Best for:** Social media content creators and casual users looking for quick audio manipulation tools for viral challenges or vocal practice.

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

- [ ] [PIVOT] [HIGH IMPACT] Pivot ad-frequency to a time-based model because current ad-placement is the #1 churn risk → increase session length — *Sentiment analysis identifies aggressive ads as the primary barrier to usage.* _(trade-off: deprioritize Pause the premium-tier price test — ad-retention has a higher immediate impact on daily active users.)_
- [ ] [MAINTAIN] [MEDIUM IMPACT] Audit recording engine stability because error reports are the #2 complaint theme → reduce negative review volume — *User reviews explicitly cite recording failure as a reason for dissatisfaction.* _(trade-off: deprioritize Deprioritize the new voice-filter pack — stability is a prerequisite for retention.)_
<!-- /section:pm-actions -->

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

- Structured vocal-warmup drills (available in 7 Minute Vocal Warm Up but absent here)
<!-- /section:feature-gaps -->

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

The casual audio-manipulation market is consolidating around tools that offer either higher utility or lower friction. Reverse Singing Pro remains exposed: the current technical instability and ad-heavy monetization model will likely erode its chart position as users migrate to more stable alternatives.

- 🔴 Aggressive ad frequency interrupts the core recording experience, which drives churn and suppresses the long-term retention rate.
- 🔴 Technical instability during recording sessions prevents successful audio capture, which compounds the rating drag already visible on Android.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 3.58/5 |
| Total Reviews | 2.1K |
| Sentiment | Mixed (75/100) |
| Confidence | Medium |
| Pricing Model | Freemium |
| Platforms | iOS & Android |
| Key Features | 5 analyzed |
| Trend | Mixed |
| Outlook | Mixed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Reverse Singing - Reverse Play** (this app) | 3.58/5 | Mixed | Mustafa Kulac |
| [7 Minute Vocal Warm Up](https://marlvel.ai/apps/7-minute-vocal-warm-up) | N/A/5 | N/A | Systhetics |
| [Suno - AI Songs & Music](https://marlvel.ai/apps/suno-ai-songs-music) | 4.0/5 | Mixed | Suno, Inc. |
| [BandLab – Music Maker & Beats](https://marlvel.ai/apps/bandlab-music-maker-beats) | 4.8/5 | N/A | BandLab Singapore Pte Ltd |
| [Rhythm Fire-EDM Shooting Game](https://marlvel.ai/apps/rhythm-fire-edm-shooting-game) | 5.0/5 | N/A | Adaric Music |
| [Fugue Machine : MIDI Sequencer](https://marlvel.ai/apps/com-alexandernaut-fugue) | 4.9/5 | N/A | Alexandernaut |

## Company Profile
- **Developer:** Mustafa Kulac
- **Website:** [https://emkapps.com](https://emkapps.com)

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/reverse-singing-reverse-play/id6759224798?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.fighter.reversesinging&hl=en&gl=us)
- **Dev Site:** [Official Website](https://emkapps.com)
- **Sources:** Developer website content, About us / company information, App store metadata, User reviews.

## Related Intel Reports
- [*7 Minute Vocal Warm Up*](https://marlvel.ai/apps/7-minute-vocal-warm-up) (Systhetics) — N/A Rating | N/A Sentiment
- [*Suno - AI Songs & Music*](https://marlvel.ai/apps/suno-ai-songs-music) (Suno, Inc.) — 4.0/5 Rating | Mixed Sentiment
- [*BandLab – Music Maker & Beats*](https://marlvel.ai/apps/bandlab-music-maker-beats) (BandLab Singapore Pte Ltd) — 4.8/5 Rating | N/A Sentiment
- [*Rhythm Fire-EDM Shooting Game*](https://marlvel.ai/apps/rhythm-fire-edm-shooting-game) (Adaric Music) — 5.0/5 Rating | N/A Sentiment
- [*Fugue Machine : MIDI Sequencer*](https://marlvel.ai/apps/com-alexandernaut-fugue) (Alexandernaut) — 4.9/5 Rating | N/A Sentiment
- [*Country Rap Tunes Radio*](https://marlvel.ai/apps/com-countryrap-app) (Country Rap Tunes Radio) — 4.5/5 Rating | N/A Sentiment
- [*iGrand Piano CS for iPad*](https://marlvel.ai/apps/igrand-piano-cs-for-ipad) (IK Multimedia US, LLC) — 3.3/5 Rating | Negative Sentiment
- [*Equalizer*](https://marlvel.ai/apps/com-yourcompany-equalizer) (Audioforge Labs Inc.) — 4.0/5 Rating | Positive Sentiment
- [*AmpliTube for iPad*](https://marlvel.ai/apps/amplitube-for-ipad) (IK Multimedia US, LLC) — 2.3/5 Rating | Negative Sentiment
- [*iCollect Music: Vinyl Discogs*](https://marlvel.ai/apps/icollect-music-vinyl-discogs) (iCollect Everything, LLC) — 4.3/5 Rating | N/A 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:** 0.85/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 52
- **Data Sources:** user reviews, developer website, company about page, 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:** 44 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/reverse-singing-reverse-play-1)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.