# HiMemo vs Summary Ai Notes

The clearest difference is in-app purchases: HiMemo at none against Summary Ai Notes's 2. HiMemo also leads on iOS requirement (13.0 vs 15.1). Summary Ai Notes's advantage is update cadence (weekly vs every 19 months). On price, ads and device support there is nothing between them.

Both are free to download. Summary Ai Notes sells 2 in-app purchases, starting at $4.99 per 7 days. HiMemo asks for nothing beyond the download.

HiMemo ships an update every 19 months, Summary Ai Notes weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HiMemo | Summary Ai Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Weekly** |
| Size | 30 MB | 41 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hiroyuki Kawai](https://appshunter.io/developer/1286509355) | [Wargora](https://appshunter.io/developer/1896115704) |

## What reviewers say

### HiMemo

[App page](https://appshunter.io/ios/app/himemo/id1506694081)

**Features:** macOS Compatibility

**In-app purchases:** none


### Summary Ai Notes

[App page](https://appshunter.io/ios/app/summary-ai-notes-summarize/id6782303663)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Annual | $29.99 | per year |


## Frequently asked questions

### Is HiMemo free?

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

### Is Summary Ai Notes free?

Summary Ai Notes is free to download, with in-app purchases available.

### Do HiMemo or Summary Ai Notes have ads?

Neither HiMemo nor Summary Ai Notes shows ads.

### Which is updated more often, HiMemo or Summary Ai Notes?

HiMemo ships an update every 19 months, and Summary Ai Notes weekly. Most recently, HiMemo was updated on November 3, 2026 and Summary Ai Notes on October 31, 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.*