Audio Tools vs CHW Watch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Audio Tools
This app offers comprehensive audio editing capabilities, including cutting, merging, format conversion, and playback speed adjustment. It also features a built-in recorder and a local file server for easy file management. Advanced tools allow for accompaniment creation and noise reduction.
- Cut, copy, paste, fade in/out audio
- Merge multiple audio files
- Adjust playback speed
- Convert audio formats
- Record audio with quality settings
- Local file server for uploads/downloads
- Create accompaniment by reducing vocals
- Reduce noise by filtering frequencies
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AudioTools is a professional, free, simple, and fast audio editing program. Whether you're making music or just playing it, give AudioTools a try! Audio Editing Cut, copy, paste, add silence, fade in, fade out for any audio Detailed editing history panel for quick undo/redo to specific steps Millisecond-level editing precision Audio Merging Merge multiple audio files into one Flexibly adjust the merging order Audio Playback Speed Change the playback speed of audio Preview modifications anytime Audio Format Conversion Convert audio to acc, mp3, wav, m4a, flac, opus, ogg No loss of quality in format conversion Specify the desired output quality Recorder Simple operation Specify the recording quality Upload, Download AudioTools has a built-in local file server Other devices can download your edited audio within the local network or upload audio to AudioTools on your phone Note!! This is only a local file server; AudioTools will not upload your audio or share it with any third-party servers!" Making Accompaniment It can eliminate or reduce the singer's voice to make accompaniment. Reducing Noise It can remove sounds below a specified Hz to reduce the impact of noise. 3D Sound Effects Achieve 3D sound effects by rotating the left and right channels.
CHW Watch
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CHW Watch 提供全面性的水資源監測系統，具備即時警報與歷史數據記錄功能。使用者可即時掌握水質、水壓與水位狀態，並查閱完整的維護歷史，以提升水資源管理效率。
Screenshots
Verdict
The clearest difference is in-app purchases: CHW Watch at none against Audio Tools's 3. CHW Watch also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 5 weeks). On price, device support and iOS requirement 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. Audio Tools sells 3 in-app purchases, starting at $4.00 per month. CHW Watch asks for nothing beyond the download.
Audio Tools ships an update every 5 weeks, CHW Watch every 2 weeks. The most recent releases landed on June 4, 2026 and September 20, 2026 respectively.
| Parameter | Audio Tools | CHW Watch |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 5 weeks | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 63 MB | 26 MB |
| Age rating | 17+ | 4+ |
| Developer | 治燐 王 | Shih You tzu |
In-app purchases
Audio Tools
- monthly member$4.001 Month
- annual member$12.001 Year
- Lifetime member$15.00
CHW Watch
No in-app purchases
