# Three World vs Saving Memo

The clearest difference is update cadence: Three World at weekly against Saving Memo's every 50 months. Three World also leads on iOS requirement (6.0 vs 12.0). 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.

Three World ships an update weekly, Saving Memo every 50 months. The most recent releases landed on September 11, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Three World | Saving Memo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/three-world/id996809760/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 50 months |
| Monetization | Free | — |
| Size | 17 MB | 92 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Huntergame Interactive Technology Co.,Ltd](https://appshunter.io/developer/953928156) | [University of California Riverside](https://appshunter.io/developer/888130363) |

## What reviewers say

### Three World

[App page](https://appshunter.io/ios/app/three-world/id996809760)

A simple puzzle game where players tap the screen to match colors or identify different colors. It's designed to improve focus and concentration, offering a challenge to achieve higher scores.

**Highlights:** Color matching gameplay, Differentiating colors, Focus enhancement, Score tracking, GameCenter integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Saving Memo

[App page](https://appshunter.io/ios/app/saving-memo/id1553319366)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Three World free?

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

### Is Saving Memo free?

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

### Do Three World or Saving Memo have ads?

Neither Three World nor Saving Memo shows ads.

### Which is updated more often, Three World or Saving Memo?

Three World ships an update weekly, and Saving Memo every 50 months. Most recently, Three World was updated on September 11, 2026 and Saving Memo on May 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.*