# AudioStretch Lite vs Boimero

The clearest difference is rating: Boimero at 4.6 against AudioStretch Lite's 4.0. Boimero also leads on update cadence (every 2 days vs every 3 months) and review sentiment (88% vs 73%). AudioStretch Lite's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, ratings volume and device support there is nothing between them.

Both are free to download. Boimero sells 4 in-app purchases, starting at $0.99 per month. AudioStretch Lite asks for nothing beyond the download.

Boimero holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 623 and 581 respectively. Written reviews point the same way: 73% of AudioStretch Lite's written reviews are positive against 88% of Boimero's.

AudioStretch Lite ships an update every 3 months, Boimero every 2 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | AudioStretch Lite | Boimero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (623 ratings)](https://appshunter.io/ios/app/audiostretch-lite/id647190921/reviews) | **[4.6 (581 ratings)](https://appshunter.io/ios/app/boimero-vocal-synth-studio/id6737790951/reviews)** |
| Number of ratings | **623** | 581 |
| Positive reviews | 72.9% of reviews | **88.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 400 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cognosonic Pte Ltd](https://appshunter.io/developer/571863181) | [Waffle, LCC](https://appshunter.io/developer/1777946699) |

## What reviewers say

### AudioStretch Lite

[App page](https://appshunter.io/ios/app/audiostretch-lite/id647190921)

This app allows musicians to slow down, loop, and transpose music from audio or video files. It also enables capturing video directly with your phone's camera for transcription. Ideal for learning songs by ear or experimenting with sound.

**Highlights:** Slow down audio/video without pitch change, Loop difficult sections, Transpose music notes, Import audio/video files, Capture video with phone camera, Live waveform scrubbing

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great for making memes and YTPs
- 👍 User-friendly interface
- 🎨 Useful for music production and learning
- 🎉 Funny and entertaining to use

**What reviewers complain about**

- 🐛 Audio/video issues (crashes, no sound, etc.)
- 💰 Paid features should be free
- 🔍 Difficulty importing files or accessing library

**Reported bugs**

- Audio stops working after a while
- Video disappears when trying to screen record
- Crashes when trying to export or share content

**Requested features**

- Add more editing tools and effects
- Improve loop management and save options
- Implement night mode and other visual customizations


### Boimero

[App page](https://appshunter.io/ios/app/boimero-vocal-synth-studio/id6737790951)

Create original songs without singing by arranging notes and lyrics on a piano roll. This app generates AI singing voices using advanced models, allowing for offline music production on your mobile device. It supports various voicebanks and file formats for a comprehensive songwriting experience.

**Highlights:** Intuitive piano roll for melody creation, Lyric input for individual notes, Multi-track song building, Import UTAU, MIDI, UST, and MusicXML files, AI singing voice generation with DiffSinger, Offline voice generation, Export and share finished audio

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ボイメロプレミアム | $0.99 | per month |
| ボイメロプレミアム | $1.99 | per month |
| ボイメロプレミアム | $5.99 | per year |
| ボイメロプレミアム | $9.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🎨 Helpful for creating music
- 💡 Good mobile vocaloid alternative
- 🎶 Enjoyable for composing songs

**What reviewers complain about**

- 🐛 Buggy and glitchy at times
- 💰 Too many ads and paid features
- 🌐 Lack of English support

**Reported bugs**

- Lyrics not working as expected
- Audio playback issues after watching ads
- Tutorial/help content not loading

**Requested features**

- More voicebank options
- Improved pitch/tuning controls
- Better lyric integration
- English language support


## Frequently asked questions

### Is AudioStretch Lite free?

AudioStretch Lite is free to download, with no in-app purchases.

### Is Boimero free?

Boimero is free to download, with in-app purchases available.

### Which has better reviews, AudioStretch Lite or Boimero?

Boimero is rated higher. AudioStretch Lite averages 4.0 out of 5 from 623 ratings, while Boimero averages 4.6 from 581 ratings.

### Do AudioStretch Lite or Boimero have ads?

Boimero shows ads; AudioStretch Lite does not.

### Which is updated more often, AudioStretch Lite or Boimero?

AudioStretch Lite ships an update every 3 months, and Boimero every 2 days. Most recently, AudioStretch Lite was updated on November 6, 2026 and Boimero on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*