# Zemi Note vs Thoth

The clearest difference is in-app purchases: Thoth at none against Zemi Note's 3. Thoth also leads on update cadence (every 3 days vs fortnightly) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Zemi Note sells 3 in-app purchases, starting at $1.99 per month. Thoth asks for nothing beyond the download.

Zemi Note ships an update fortnightly, Thoth every 3 days. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Zemi Note | Thoth |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 351 MB | 67 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [厚然 曾](https://appshunter.io/developer/1804756359) | [THOTH Inc.](https://appshunter.io/developer/6783651004) |

## What reviewers say

### Zemi Note

[App page](https://appshunter.io/ios/app/zemi-note-voice-translation/id6745965004)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StudyLog Pro - 月度订阅 | $1.99 | per month |
| StudyLog Pro - 年度订阅 | $5.99 | per year |
| StudyLog Pro - 永久使用 | $6.99 | one-time |


### Thoth

[App page](https://appshunter.io/ios/app/thoth/id6783651002)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zemi Note free?

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

### Is Thoth free?

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

### Do Zemi Note or Thoth have ads?

Neither Zemi Note nor Thoth shows ads.

### Which is updated more often, Zemi Note or Thoth?

Zemi Note ships an update fortnightly, and Thoth every 3 days. Most recently, Zemi Note was updated on October 7, 2026 and Thoth on October 5, 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.*