# StudyPanda AI vs CHAC

The clearest difference is in-app purchases: StudyPanda AI at none against CHAC's 3. CHAC's advantage is update cadence (every 3 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CHAC sells 3 in-app purchases, starting at $0.99 per month. StudyPanda AI asks for nothing beyond the download.

StudyPanda AI ships an update every 3 months, CHAC every 3 days. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | StudyPanda AI | CHAC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 68 MB | 195 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mkrtich Nikoghosyan](https://appshunter.io/developer/1888465900) | [Pim Voogt](https://appshunter.io/developer/1896529060) |

## What reviewers say

### StudyPanda AI

[App page](https://appshunter.io/ios/app/studypanda-ai/id6777674565)

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

**In-app purchases:** none


### CHAC

[App page](https://appshunter.io/ios/app/chac-learn-chinese-characters/id6797415535)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CHAC Ad-Free Monthly | $0.99 | per month |
| CHAC Ad-Free Yearly | $8.99 | per year |
| CHAC Ad-Free Lifetime | $17.99 | one-time |


## Frequently asked questions

### Is StudyPanda AI free?

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

### Is CHAC free?

CHAC is free to download, with in-app purchases available.

### Do StudyPanda AI or CHAC have ads?

Both StudyPanda AI and CHAC show ads.

### Which is updated more often, StudyPanda AI or CHAC?

StudyPanda AI ships an update every 3 months, and CHAC every 3 days. Most recently, StudyPanda AI was updated on October 6, 2026 and CHAC on October 16, 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.*