Unit Converter Max vs MP3 Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unit Converter Max
This app offers fast and accurate conversions for over 30 unit categories and 150 world currencies. It features a clean interface, offline functionality, and light/dark modes, designed for travel, work, and everyday calculations.
- 30+ unit categories
- 150+ world currencies
- Offline unit conversion
- Clean, easy-to-read interface
- Light and dark mode
- Fast and accurate results
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Unit Converter Max Convert units and currencies faster. Unit Converter Max is a clean and accurate converter with 30+ unit categories and 150+ world currencies. No ads. No subscriptions. Lifetime access with a single purchase. Designed for travel, work, study, cooking, engineering, shopping, and everyday calculations. Convert Everything You Need • Length, mass, temperature, area, and volume • Speed, pressure, energy, time, and data • Power, frequency, voltage, fuel economy, and torque • Angle, force, density, current, resistance, and more • 150+ world currencies for travel and daily use Key Features • Fast and accurate results • 30+ unit categories • 150+ supported currencies • Clean, easy-to-read interface • Offline unit conversion • Light and dark mode • Built for everyday and professional use Why Users Choose Unit Converter Max - All Units Most converter apps are slow, cluttered, or filled with ads. Unit Converter Max - All Units keeps it simple: open the app, choose a unit or currency, and get the answer fast. Support & Legal Contact: support@richsoft.app Privacy Policy: https://richsoft.app/snapunit/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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 monetization model: Unit Converter Max at free against MP3 Converter's free with in-app purchases. Unit Converter Max also leads on ratings volume (26 vs 1). MP3 Converter's advantage is update cadence (weekly vs every 3 weeks). On price, rating, ads and in-app purchases 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. Unit Converter Max sells 1 one-off in-app purchase and MP3 Converter sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Unit Converter Max against 5.0 for MP3 Converter. That said, the two scores are not equally well evidenced: Unit Converter Max has 26 ratings behind it against 1, so its average is the more settled of the two.
Unit Converter Max ships an update every 3 weeks, MP3 Converter weekly. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.
| Parameter | Unit Converter Max | MP3 Converter |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (26 ratings) | 5.0 (1 ratings) |
| Positive reviews | 87.5% of reviews | — |
| Number of ratings | 26 — better | 1 |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17 |
| Further details — not scored | ||
| Size | 36 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Rich Soft Co., Ltd | 应芳 卢 |
Customer experience
Unit Converter Max
MP3 Converter
In-app purchases
Unit Converter Max
- All Converter Lifetime$4.99
MP3 Converter
- Monthly$0.991 Month
- Annual$2.991 Year
- Lifetime$9.99
Questions
Is Unit Converter Max free?
Is MP3 Converter free?
Which has better reviews, Unit Converter Max or MP3 Converter?
Do Unit Converter Max or MP3 Converter have ads?
Which is updated more often, Unit Converter Max or MP3 Converter?
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