# Jonin vs CPKB

The clearest difference is update cadence: CPKB at weekly against Jonin's every 3 weeks. Jonin's advantage is iOS requirement (13.0 vs 16). 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.

Jonin ships an update every 3 weeks, CPKB weekly. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Jonin | CPKB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 98 MB | 3 MB |
| Requires iOS | **13.0** | 16 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [深圳百聆鸟听力技术有限公司](https://appshunter.io/developer/1644839285) | [Sharadh Nijjar](https://appshunter.io/developer/1789060567) |

## What reviewers say

### Jonin

[App page](https://appshunter.io/ios/app/jonin/id1644839283)

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

**In-app purchases:** none


### CPKB

[App page](https://appshunter.io/ios/app/cpkb/id6740228401)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Jonin free?

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

### Is CPKB free?

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

### Do Jonin or CPKB have ads?

Neither Jonin nor CPKB shows ads.

### Which is updated more often, Jonin or CPKB?

Jonin ships an update every 3 weeks, and CPKB weekly. Most recently, Jonin was updated on October 11, 2026 and CPKB on October 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.*