# TsunDocs vs Zubora

The clearest difference is in-app purchases: TsunDocs at none against Zubora's 2. Zubora's advantage is update cadence (fortnightly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Zubora sells 2 in-app purchases, starting at $3.99 per month. TsunDocs asks for nothing beyond the download.

TsunDocs ships an update every 6 months, Zubora fortnightly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | TsunDocs | Zubora |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Size | 8 MB | 44 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Tasuku Tozawa](https://appshunter.io/developer/1537307879) | [Takashi Nishimoto](https://appshunter.io/developer/1863579544) |

## What reviewers say

### TsunDocs

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

**In-app purchases:** none


### Zubora

[App page](https://appshunter.io/ios/app/zubora/id6757232402)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ずぼらメモ　Pro（月額） | $3.99 | per month |
| ずぼらメモ　Pro（年額） | $39.99 | per year |


## Frequently asked questions

### Is TsunDocs free?

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

### Is Zubora free?

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

### Do TsunDocs or Zubora have ads?

Neither TsunDocs nor Zubora shows ads.

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

TsunDocs ships an update every 6 months, and Zubora fortnightly. Most recently, TsunDocs was updated on October 25, 2026 and Zubora on October 28, 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.*