# MemoFit vs Poly Worlds

The clearest difference is in-app purchases: Poly Worlds at none against MemoFit's 1. Poly Worlds also leads on iOS requirement (15.0 vs 17.6). MemoFit's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. MemoFit sells 1 one-off in-app purchase. Poly Worlds asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | MemoFit | Poly Worlds |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | Weekly |
| Size | 5 MB | 191 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [METIN KUL](https://appshunter.io/developer/1739152071) | [BugFix Games Entertainment](https://appshunter.io/developer/1689361525) |

## What reviewers say

### MemoFit

[App page](https://appshunter.io/ios/app/memofit/id1616191325)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove 5-pairs limitation | $0.99 | one-time |


### Poly Worlds

[App page](https://appshunter.io/ios/app/poly-worlds-hidden-object/id6749450133)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MemoFit free?

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

### Is Poly Worlds free?

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

### Do MemoFit or Poly Worlds have ads?

Poly Worlds shows ads; MemoFit does not.

### Which is updated more often, MemoFit or Poly Worlds?

MemoFit ships an update weekly, and Poly Worlds weekly. Most recently, MemoFit was updated on September 18, 2026 and Poly Worlds on September 8, 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.*