# CSM LearnStrike vs CA'Sim

The clearest difference is in-app purchases: CSM LearnStrike at none against CA'Sim's 4. CSM LearnStrike also leads on iOS requirement (14.0 vs 18.6). CA'Sim's advantage is update cadence (weekly vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. CA'Sim sells 4 in-app purchases, starting at $0.99 per month. CSM LearnStrike asks for nothing beyond the download.

CSM LearnStrike ships an update every 3 weeks, CA'Sim weekly. Both last shipped on September 9, 2026.

## The numbers

| Metric | CSM LearnStrike | CA'Sim |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 301 MB | 6 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [4Growth.com](https://appshunter.io/developer/1728434002) | [Jatuphol Jaturapat](https://appshunter.io/developer/1788860463) |

## What reviewers say

### CSM LearnStrike

[App page](https://appshunter.io/ios/app/csm-learnstrike/id6450264607)

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

**In-app purchases:** none


### CA'Sim

[App page](https://appshunter.io/ios/app/casim/id6758004211)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features. (1 Month) | $0.99 | per month |
| Unlock All Features. (3 Months) | $2.99 | per 3 months |
| Unlock All Features. (1 Year) | $7.99 | per year |
| Lifetime Access | $17.99 | one-time |


## Frequently asked questions

### Is CSM LearnStrike free?

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

### Is CA'Sim free?

CA'Sim is free to download, with in-app purchases available.

### Do CSM LearnStrike or CA'Sim have ads?

Neither CSM LearnStrike nor CA'Sim shows ads.

### Which is updated more often, CSM LearnStrike or CA'Sim?

CSM LearnStrike ships an update every 3 weeks, and CA'Sim weekly. Most recently, CSM LearnStrike was updated on September 9, 2026 and CA'Sim 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.*