# Remember Hub vs CatyFlash

The clearest difference is in-app purchases: Remember Hub at none against CatyFlash's 1. Remember Hub also leads on iOS requirement (11.0 vs 13.0). CatyFlash's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. CatyFlash sells 1 one-off in-app purchase. Remember Hub asks for nothing beyond the download.

Remember Hub ships an update every 2 days, CatyFlash daily. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Remember Hub | CatyFlash |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | **Daily** |
| Size | 107 MB | 47 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [薛琦 高](https://appshunter.io/developer/1089039082) | [OU Catyonic](https://appshunter.io/developer/1863920797) |

## What reviewers say

### Remember Hub

[App page](https://appshunter.io/ios/app/remember-hub/id6456750413)

**Features:** macOS Compatibility

**In-app purchases:** none


### CatyFlash

[App page](https://appshunter.io/ios/app/catyflash-learn-estonian/id6771355940)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Level B1 + Cloud | $3.99 | one-time |


## Frequently asked questions

### Is Remember Hub free?

Remember Hub is free to download, with no in-app purchases.

### Is CatyFlash free?

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

### Do Remember Hub or CatyFlash have ads?

Remember Hub shows ads; CatyFlash does not.

### Which is updated more often, Remember Hub or CatyFlash?

Remember Hub ships an update every 2 days, and CatyFlash daily. Most recently, Remember Hub was updated on October 8, 2026 and CatyFlash 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.*