# CheckBoostAudio vs Phraser

The clearest difference is ads: CheckBoostAudio at none against Phraser's shown. CheckBoostAudio also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (13.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CheckBoostAudio ships an update every 3 days, Phraser every 3 weeks. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CheckBoostAudio | Phraser |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Size | 32 MB | 50 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masatomo Fukuda](https://appshunter.io/developer/1599921920) | [Ali Osman Ay](https://appshunter.io/developer/1792495142) |

## What reviewers say

### CheckBoostAudio

[App page](https://appshunter.io/ios/app/checkboostaudio/id6740433605)

**Features:** macOS Compatibility

**In-app purchases:** none


### Phraser

[App page](https://appshunter.io/ios/app/phraser-learn-phrasal-verbs/id6761172788)

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

**In-app purchases:** none


## Frequently asked questions

### Is CheckBoostAudio free?

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

### Is Phraser free?

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

### Do CheckBoostAudio or Phraser have ads?

Phraser shows ads; CheckBoostAudio does not.

### Which is updated more often, CheckBoostAudio or Phraser?

CheckBoostAudio ships an update every 3 days, and Phraser every 3 weeks. Most recently, CheckBoostAudio was updated on October 25, 2026 and Phraser on October 31, 2026.

---

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