Collector vs MP3 Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Collector
This app helps you catalog and track your favorite media, games, and apps. You can record multiple moments for each item, assign ratings, and enjoy features like dark mode and multi-language support. It's designed for collectors to easily manage their passions.
- Collect movies, shows, books, albums, games, apps, podcasts
- Track multiple moments per collection
- Rate collected items
- Supports dark mode
- Multi-language support
- Offline use
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Collector is an assistant for recording media, games and apps, supporting offline use. We believe that you, as someone who loves to collect, will have an extraordinary experience here! === Feature === 1. Collect your favorite movies, shows, books, albums, games, apps, podcasts, and performances. 2. Each collection lets you capture multiple moments, helping you easily track your journey with every favorite. 3. Record each moment with ratings to express how much it truly means to you. 4. Supports dark mode and multiple languages. 5. Embraces the all-new interactions and liquid glass effects introduced in iOS 26. More features are on the way — we’d love to hear your ideas! If you enjoy Collector, please leave us a 5-star rating on the App Store! === Contact === Email: collector_app@outlook.com
MP3 Converter
This app is a comprehensive audio editing tool that allows for easy conversion between various audio formats, extraction of audio from videos, and precise trimming of music for ringtones. It offers batch processing and speed adjustment for efficient audio manipulation.
- Convert between 18 audio formats
- Extract audio from videos
- Millisecond-accurate audio trimming
- Batch audio processing
- Adjust export playback speed
- Import from multiple sources
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Your all‑in‑one audio toolbox Effortlessly handle audio conversion, video‑to‑audio extraction, and ringtone creation. Whether it’s MP4 to MP3 or trimming music, enjoy a clean, efficient workflow. Core features at a glance: Format Conversion (Core): Convert freely across 18 popular formats, including MP3, M4A, WAV, and FLAC—no limits. Video Extraction: Pull audio from videos and quickly turn MP4 into MP3 or other formats. Audio Trimming: Millisecond‑accurate cuts; drag to select segments and create custom ringtones or music clips. Batch Processing: Batch import, convert, and export to supercharge efficiency. Speed Export: Adjust playback speed from 0.5x to 2x on export. Multiple Import Sources: Import from Photos, Files, iCloud Drive, and more. Why choose us? Radical simplicity, built for efficiency 100% on‑device processing for privacy and speed Easy library management with “Recent Works” for quick re‑edit and share We’re committed to being your most reliable audio assistant, with continuous updates and powerful new features. Privacy Policy: https://imailu.notion.site/audio-converter-privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Screenshots
Verdict
The clearest difference is in-app purchases: Collector at none against MP3 Converter's 3. Collector also leads on ratings volume (23 vs 2). MP3 Converter's advantage is rating (5.0 vs 4.7). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. MP3 Converter sells 3 in-app purchases, starting at $0.99 per month. Collector asks for nothing beyond the download.
MP3 Converter holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Collector has 23 ratings behind it against 2, so its average is the more settled of the two.
Collector ships an update every 10 days, MP3 Converter weekly. Both last shipped on October 30, 2026.
| Parameter | Collector | MP3 Converter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (23 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 23 — better | 2 |
| Update frequency | Every 10 days | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 | 17 — better |
| Further details — not scored | ||
| Size | 39 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | 永康 梁 | 应芳 卢 |
Customer experience
Collector
MP3 Converter
In-app purchases
Collector
No in-app purchases
MP3 Converter
- Monthly$0.991 Month
- Annual$2.991 Year
- Lifetime$9.99









