# memry AI vs ShadowMark

The clearest difference is in-app purchases: ShadowMark at none against memry AI's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. memry AI sells 2 in-app purchases, starting at $1.99 per 7 days. ShadowMark asks for nothing beyond the download.

memry AI ships an update weekly, ShadowMark every 8 days. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | memry AI | ShadowMark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 8 days |
| Size | 74 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [akito koga](https://appshunter.io/developer/1845561613) | [RYUTA SHIMOGAUCHI](https://appshunter.io/developer/6775823754) |

## What reviewers say

### memry AI

[App page](https://appshunter.io/ios/app/memry-ai-powered-memorization/id6753896349)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $1.99 | per 7 days |
| Monthly Plan | $3.99 | per month |


### ShadowMark

[App page](https://appshunter.io/ios/app/shadowmark/id6775823482)

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

**In-app purchases:** none


## Frequently asked questions

### Is memry AI free?

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

### Is ShadowMark free?

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

### Do memry AI or ShadowMark have ads?

Neither memry AI nor ShadowMark shows ads.

### Which is updated more often, memry AI or ShadowMark?

memry AI ships an update weekly, and ShadowMark every 8 days. Most recently, memry AI was updated on September 30, 2026 and ShadowMark on October 1, 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.*