# TeachPay vs cjlass

The clearest difference is update cadence: TeachPay at every 4 days against cjlass's every 13 months. 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.

TeachPay ships an update every 4 days, cjlass every 13 months. Both last shipped on September 9, 2026.

## The numbers

| Metric | TeachPay | cjlass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 13 months |
| Size | 6 MB | 11 MB |
| Requires iOS | **18.2** | 18.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Weisen Quwan Technology Co., Ltd](https://appshunter.io/developer/1755528939) | [波 景](https://appshunter.io/developer/1808723552) |

## What reviewers say

### TeachPay

[App page](https://appshunter.io/ios/app/teachpay/id6745731169)

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

**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 TeachPay free?

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

### Is cjlass free?

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

### Do TeachPay or cjlass have ads?

Neither TeachPay nor cjlass shows ads.

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

TeachPay ships an update every 4 days, and cjlass every 13 months. Most recently, TeachPay was updated on September 9, 2026 and cjlass on September 9, 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.*