# TsunDocs vs HighMemo

The clearest difference is ads: TsunDocs at none against HighMemo's shown. HighMemo's advantage is update cadence (fortnightly vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TsunDocs ships an update every 6 months, HighMemo fortnightly. The most recent releases landed on September 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | TsunDocs | HighMemo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Fortnightly** |
| Size | 8 MB | 82 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Tasuku Tozawa](https://appshunter.io/developer/1537307879) | [Jeongwon KO](https://appshunter.io/developer/6799994185) |

## What reviewers say

### TsunDocs

[App page](https://appshunter.io/ios/app/tsundocs/id1612923335)

**In-app purchases:** none


### HighMemo

[App page](https://appshunter.io/ios/app/highmemo/id6799994183)

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

**In-app purchases:** none


## Frequently asked questions

### Is TsunDocs free?

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

### Is HighMemo free?

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

### Do TsunDocs or HighMemo have ads?

HighMemo shows ads; TsunDocs does not.

### Which is updated more often, TsunDocs or HighMemo?

TsunDocs ships an update every 6 months, and HighMemo fortnightly. Most recently, TsunDocs was updated on September 24, 2026 and HighMemo on October 9, 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.*