# Yondazo vs Diseen

The clearest difference is ads: Yondazo at none against Diseen's shown. Diseen's advantage is update cadence (daily vs every 32 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.

Yondazo ships an update every 32 months, Diseen daily. The most recent releases landed on September 22, 2026 and August 29, 2026 respectively.

## The numbers

| Metric | Yondazo | Diseen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yondazo-reading-tracker/id1547099179/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 32 months | **Daily** |
| Monetization | Ad-supported | — |
| Size | 7 MB | 5 MB |
| Requires iOS | **18.0** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [arakawa yuichiro](https://appshunter.io/developer/421879127) | [Jun Kishihara](https://appshunter.io/developer/1822756745) |

## What reviewers say

### Yondazo

[App page](https://appshunter.io/ios/app/yondazo-reading-tracker/id1547099179)

Track your reading progress with detailed charts and insights. Log books, add notes, and visualize your reading journey over time. Offers on-device AI analysis for private habit discovery.

**Highlights:** Monthly, yearly, and all-time reading charts, On-device AI reading habit analysis, Book notes, ratings, and genre tagging, Visual bookshelf with cover grid or list view, Barcode scanning for quick book entry, Data backup and transfer

**Features:** macOS Compatibility

**In-app purchases:** none


### Diseen

[App page](https://appshunter.io/ios/app/diseen/id6754192307)

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

**In-app purchases:** none


## Frequently asked questions

### Is Yondazo free?

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

### Is Diseen free?

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

### Do Yondazo or Diseen have ads?

Diseen shows ads; Yondazo does not.

### Which is updated more often, Yondazo or Diseen?

Yondazo ships an update every 32 months, and Diseen daily. Most recently, Yondazo was updated on September 22, 2026 and Diseen on August 29, 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.*