# TingFeiFei vs cjlass

The clearest difference is update cadence: TingFeiFei at fortnightly against cjlass's every 13 months. TingFeiFei also leads on iOS requirement (13 vs 18.4). 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.

TingFeiFei ships an update fortnightly, cjlass every 13 months. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | TingFeiFei | cjlass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 13 months |
| Size | 54 MB | 11 MB |
| Requires iOS | **13** | 18.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [广东汉泓医疗科技有限公司](https://appshunter.io/developer/1696914316) | [波 景](https://appshunter.io/developer/1808723552) |

## What reviewers say

### TingFeiFei

[App page](https://appshunter.io/ios/app/tingfeifei/id6475749786)

**Features:** macOS Compatibility

**In-app purchases:** none


### cjlass

[App page](https://appshunter.io/ios/app/cjlass/id6746034659)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TingFeiFei free?

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

### Is cjlass free?

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

### Do TingFeiFei or cjlass have ads?

Neither TingFeiFei nor cjlass shows ads.

### Which is updated more often, TingFeiFei or cjlass?

TingFeiFei ships an update fortnightly, and cjlass every 13 months. Most recently, TingFeiFei was updated on October 4, 2026 and cjlass on October 13, 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.*