# Ludwig's Math Lite vs Hidden Cat

The clearest difference is in-app purchases: Ludwig's Math Lite at none against Hidden Cat's 9. Ludwig's Math Lite also leads on iOS requirement (6.0 vs 15.0). Hidden Cat's advantage is update cadence (monthly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Hidden Cat sells 9 one-off in-app purchases. Ludwig's Math Lite asks for nothing beyond the download.

Ludwig's Math Lite ships an update every 3 months, Hidden Cat monthly. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Ludwig's Math Lite | Hidden Cat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (26 ratings)](https://appshunter.io/ios/app/hidden-cat-spot-it/id6762115696/reviews)** |
| Number of ratings | — | **26** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 339 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AVIA](https://appshunter.io/developer/390606207) | [Kite Games](https://appshunter.io/developer/1878111512) |

## What reviewers say

### Ludwig's Math Lite

[App page](https://appshunter.io/ios/app/ludwigs-math-lite/id732763113)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hidden Cat

[App page](https://appshunter.io/ios/app/hidden-cat-spot-it/id6762115696)

Embark on a visual adventure to find hidden felines in detailed scenes. Strategically select your targets, utilize helpful tools, and build your cat collection. Enjoy a relaxing yet challenging experience suitable for all ages.

**Highlights:** Strategic target selection, Dynamic scene overview, Cat collection and rewards, Hint and reset support items, Engaging level progression

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold 1000 | $0.99 | one-time |
| Gold 3000 | $2.99 | one-time |
| Combo Bundle | $4.99 | one-time |
| Gold 5000 | $4.99 | one-time |
| Gold 10000 | $8.99 | one-time |
| No-Ad Offer | $9.99 | one-time |
| No-Ad Bundle | $12.99 | one-time |
| Gold 25000 | $19.99 | one-time |
| Gold 50000 | $35.99 | one-time |


## Frequently asked questions

### Is Ludwig's Math Lite free?

Ludwig's Math Lite is free to download, with no in-app purchases.

### Is Hidden Cat free?

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

### Do Ludwig's Math Lite or Hidden Cat have ads?

Neither Ludwig's Math Lite nor Hidden Cat shows ads.

### Which is updated more often, Ludwig's Math Lite or Hidden Cat?

Ludwig's Math Lite ships an update every 3 months, and Hidden Cat monthly. Most recently, Ludwig's Math Lite was updated on November 1, 2026 and Hidden Cat on November 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.*