# CheckBoostAudio vs FlaGenCo

The clearest difference is update cadence: CheckBoostAudio at every 3 days against FlaGenCo's every 2 weeks. On price, ads, 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, FlaGenCo every 2 weeks. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CheckBoostAudio | FlaGenCo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 32 MB | 128 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masatomo Fukuda](https://appshunter.io/developer/1599921920) | [Ryotaro Takatsu](https://appshunter.io/developer/1793327148) |

## What reviewers say

### CheckBoostAudio

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

**Features:** macOS Compatibility

**In-app purchases:** none


### FlaGenCo

[App page](https://appshunter.io/ios/app/flagenco-flashcard-maker/id6748001864)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CheckBoostAudio free?

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

### Is FlaGenCo free?

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

### Do CheckBoostAudio or FlaGenCo have ads?

Neither CheckBoostAudio nor FlaGenCo shows ads.

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

CheckBoostAudio ships an update every 3 days, and FlaGenCo every 2 weeks. Most recently, CheckBoostAudio was updated on October 17, 2026 and FlaGenCo on October 10, 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.*