# 高速記憶エンジン®Start up vs READY for Learning World Pro

The clearest difference is update cadence: READY for Learning World Pro at every 3 weeks against 高速記憶エンジン®Start up's every 4 months. READY for Learning World Pro also leads on iOS requirement (11.0 vs 15.0). 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.

高速記憶エンジン®Start up ships an update every 4 months, READY for Learning World Pro every 3 weeks. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 高速記憶エンジン®Start up | READY for Learning World Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 261 MB | 89 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FUNNY, K.K.](https://appshunter.io/developer/1059667388) | [APRICOT PUBLISHING CO., LTD.](https://appshunter.io/developer/1387800869) |

## What reviewers say

### 高速記憶エンジン®Start up

[App page](https://appshunter.io/ios/app/start-up-50/id1459470696)

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

**In-app purchases:** none


### READY for Learning World Pro

[App page](https://appshunter.io/ios/app/ready-for-learning-world-pro/id6742017619)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 高速記憶エンジン®Start up free?

高速記憶エンジン®Start up is free to download, with no in-app purchases.

### Is READY for Learning World Pro free?

READY for Learning World Pro is free to download, with no in-app purchases.

### Do 高速記憶エンジン®Start up or READY for Learning World Pro have ads?

Neither 高速記憶エンジン®Start up nor READY for Learning World Pro shows ads.

### Which is updated more often, 高速記憶エンジン®Start up or READY for Learning World Pro?

高速記憶エンジン®Start up ships an update every 4 months, and READY for Learning World Pro every 3 weeks. Most recently, 高速記憶エンジン®Start up was updated on October 4, 2026 and READY for Learning World Pro on October 7, 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.*