---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Sound Effects"
developer_entity: "KazYaz"
bundle_id: "com.Kassra.SFX"
app_store_id: "415350765"
category: "Entertainment"
primary_platform: "ios"
primary_monetization: "Paid"
offline_capable: true
market_region: "US"
platforms: "iOS"
app_last_updated: "2011-03-18"
report_date: "2026-08-19"
last_verified: "2026-08-19T00:00:00.000Z"
report_version: "2.0"
total_reviews: 2
overall_rating: 1.5
sentiment: "Frustrated"
sentiment_score: 25
confidence: "low"
confidence_score: 0.25
top_complaint_theme: "Users cannot identify how to trigger sound effects within the interface after the latest update"
review_sample_size: 1
total_review_count: 1
analyzed_review_count: 1
data_age_days: 87
momentum_velocity: "zombie"
intelligence_version: 3
tags: ["entertainment", "paid", "frustrated sentiment", "mobile app", "app review", "app analysis", "users", "seeking", "simple"]
canonical_url: "https://marlvel.ai/apps/sound-effects-2"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Sound Effects Intelligence Report

## TL;DR {#tldr}

- **Category**: Entertainment · Paid
- **Signal**: Rating 1.5 · Sentiment Frustrated
- **Recent focus**: Users cannot identify how to trigger sound effects within the interface after the latest update (top complaint)

> **TL;DR:** Sound Effects is a entertainment app by KazYaz, rated 1.5/5 by 2 users, with Frustrated user sentiment (25/100), available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Sound Effects faces Frustrated user sentiment (1.5/5 from 2 reviews), with users reporting users cannot identify how to trigger sound effects within the interface after the latest update as the primary concern.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 1.5/5 (2 reviews) |
| **User Mood** | Frustrated |
| **Category** | Entertainment |
| **Developer** | KazYaz |
| **Pricing** | Paid |
| **Platforms** | iOS |
| **Confidence** | Low (0.25/1.0) |
| **Data Age** | 87d |

## Metadata & Market Performance
- **Publisher:** KazYaz
- **Category:** Entertainment
- **Target Audience:** Users seeking simple pranking tools or offline entertainment.
- **Platforms:** iOS
- **Version Reviewed:** 2.0
- **Report Date:** 2026-08-19
- **Signal Count:** 1 review analyzed
- **Confidence:** Low (0.25/1.0)
- **App Store ID (iOS):** 415350765
- **Bundle ID:** com.Kassra.SFX
- **Performance Trend:** Declining
- **Data Window:** Analysis based on signals collected up to 2026-08-19

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Sound Effects is a paid mobile utility providing a collection of audio clips for entertainment and pranking on iOS.
**Why users hire it:** The app serves users seeking offline-accessible sound triggers, though the current lack of functional interface controls prevents it from fulfilling this need.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Sound Library:** Collection of audio clips triggered via button presses, gated by a $0.99 one-time purchase.
- **[Standard] Offline Playback:** Local storage of audio files allows playback without an active internet connection.
  * *User Intent:* Users want uninterrupted access without internet dependency.
<!-- /section:features -->

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

Sound Effects maintains a 1.5-star rating across a minimal review sample. The absence of any release activity since 2011 confirms the app is in a terminal maintenance state.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Paid
- **Tiers:** $0.99 one-time purchase
- **Price:** iOS: $0.99
- **Analysis:** The $0.99 upfront cost is a high barrier for a utility that has not received a functional update in 15 years.

<!-- section:sentiment -->
## 🔴 User Sentiment (Low Confidence: 1 of 1 review analyzed) {#user-sentiment}
- **Overall Rating:** 1.5/5
- **Platform Split:** iOS 1.5/5 (2 ratings)
- **Overall Sentiment:** Frustrated

### Top Complaints (Impact Areas)

- **Users cannot identify how to trigger sound effects within the interface after the latest update**

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

**Core Strengths:**
- Offline-first architecture removes dependency on network connectivity.

**Growth Levers:**
- Transitioning to a free-with-ads model could lower the barrier to entry.


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

The app's competitive position has shifted from a legacy utility in maintenance mode to a non-functional, terminal asset. The primary change is the explicit acknowledgment of hardware incompatibility and total control failure.

**Overall trend**: Declining
**Compared at**: 2026-08-19

### High-impact changes
- **[Declined] Terminal Product Status** (positioning)

### Medium-impact changes
- **[Declined] Functional Failure** (swot)
- **[Declined] Value Proposition Erosion** (pricing)

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

- **Latest (v2.0, 15 years ago):** Introduced a credits page for attribution and implemented audio ducking to stop overlapping sound effects.
<!-- /section:whats-new -->

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

- No releases for over 15 years.
- Maintenance mode since 2011.

> **Cadence:** 1 total versions · 1 majors in last 6 months · 5633 days since last update

<!-- /section:momentum -->

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

Sound Effects is an entertainment app that is a paid app.
It holds a 1.5/5 rating from 2 reviews.

<!-- speakable-start -->
> **Bottom Line:** Sound Effects is a legacy asset that no longer functions as intended, and the lack of updates since 2011 makes it a candidate for sunsetting rather than further investment.
<!-- speakable-end -->

**Best for:** Users seeking simple pranking tools or offline entertainment.

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

- [ ] [SUNSET] Sunset the app because the 15-year development gap makes technical remediation unviable → stop negative rating accumulation
<!-- /section:pm-actions -->

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

The entertainment utility market has shifted toward ad-supported, high-frequency update models that Sound Effects cannot match. Given the 15-year development gap, the app is effectively a zombie product that will continue to lose relevance as iOS compatibility evolves.

- 🔴 The 15-year development hiatus prevents the app from functioning on modern hardware, leading to a permanent decline in user satisfaction.
- 🔴 Broken playback controls in the latest version drive negative sentiment, which compounds the lack of developer support.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 1.5/5 |
| Total Reviews | 2 |
| Sentiment | Frustrated (25/100) |
| Confidence | Low |
| Pricing Model | Paid |
| Platforms | iOS |
| Key Features | 2 analyzed |
| Trend | Declining |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Sound Effects** (this app) | 1.5/5 | Frustrated | KazYaz |
| [BESTPLAY Play to earn & donate](https://marlvel.ai/apps/bestplay-play-to-earn-donate) | 4.7/5 | n/a | Bestplay |
| [JustPlay: Earn Money or Donate](https://marlvel.ai/apps/justplay-earn-money-or-donate) | 4.4/5 | n/a | JustPlay GmbH |
| [DramaBox - Stream Drama Shorts](https://marlvel.ai/apps/dramabox-stream-drama-shorts-1) | 4.7/5 | n/a | STORYMATRIX |
| [Ghost Science M3](https://marlvel.ai/apps/ghost-science-m3) | 3.1/5 | Excited | Michael Weber |
| [JustPlay: Earn Loyalty Rewards](https://marlvel.ai/apps/justplay-earn-loyalty-rewards) | 4.7/5 | Mixed | Gimica GmbH |

## Company Profile
- **Developer:** KazYaz
- **Website:** [https://](https://)

## Data Sources & Links
- **App Store ID:** 415350765
- **Dev Site:** [Official Website](https://)
- **Sources:** App store metadata, User reviews.

## Related Intel Reports
- [*BESTPLAY Play to earn & donate*](https://marlvel.ai/apps/bestplay-play-to-earn-donate) (Bestplay) · 4.7/5 Rating
- [*JustPlay: Earn Money or Donate*](https://marlvel.ai/apps/justplay-earn-money-or-donate) (JustPlay GmbH) · 4.4/5 Rating
- [*DramaBox - Stream Drama Shorts*](https://marlvel.ai/apps/dramabox-stream-drama-shorts-1) (STORYMATRIX) · 4.7/5 Rating
- [*Ghost Science M3*](https://marlvel.ai/apps/ghost-science-m3) (Michael Weber) · 3.1/5 Rating | Positive Sentiment
- [*JustPlay: Earn Loyalty Rewards*](https://marlvel.ai/apps/justplay-earn-loyalty-rewards) (Gimica GmbH) · 4.7/5 Rating
- [*Leprecam*](https://marlvel.ai/apps/leprecam) (Asinine Games Inc) · 4.3/5 Rating
- [*PLAYZONE - Play & Earn Rewards*](https://marlvel.ai/apps/money-well-earn-rewards) (Vanessa Calatayud Gomis) · 2.5/5 Rating
- [*TikTok Pro - Events*](https://marlvel.ai/apps/com-ss-iphone-ugc-tiktok-pro) (TikTok Ltd.) · 4.8/5 Rating
- [*TikTok - Videos, Shop & LIVE*](https://marlvel.ai/apps/tiktok-videos-shop-live) (TikTok Ltd.) · 4.3/5 Rating
- [*로또 스캐너 - 바로확인*](https://marlvel.ai/apps/app--381) (kim juyoung) · N/A Rating

## Frequently Asked Questions {#faq}

### Does Sound Effects work on the latest iOS versions?

The app has not been updated since 2011, so it is unlikely to be compatible with modern iOS versions or display standards.

### Is there a free version of Sound Effects?

No, Sound Effects requires a $0.99 one-time purchase to access the library.

### What is a free alternative to Sound Effects?

There are many modern, ad-supported soundboard apps available on the App Store that offer more features and frequent updates.

## 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 into synthesised themes (no verbatim quotes).
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:** 0.25/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 1
- **Data Sources:** user reviews, 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:** 87 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/sound-effects-2)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.