# Yondazo vs nanolog (ナノログ)

The clearest difference is update cadence: nanolog (ナノログ) at every 5 days against Yondazo's every 6 months. nanolog (ナノログ) also leads on iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and device support 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 6 months, nanolog (ナノログ) every 5 days. The most recent releases landed on October 12, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Yondazo | nanolog (ナノログ) |
| --- | --- | --- |
| 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 | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | Ad-supported | — |
| Size | 7 MB | 58 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [arakawa yuichiro](https://appshunter.io/developer/421879127) | [Genki Matsui](https://appshunter.io/developer/1520913727) |

## 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


### nanolog (ナノログ)

[App page](https://appshunter.io/ios/app/nanolog/id1632839180)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Yondazo free?

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

### Is nanolog (ナノログ) free?

nanolog (ナノログ) is free to download, with no in-app purchases.

### Do Yondazo or nanolog (ナノログ) have ads?

Neither Yondazo nor nanolog (ナノログ) shows ads.

### Which is updated more often, Yondazo or nanolog (ナノログ)?

Yondazo ships an update every 6 months, and nanolog (ナノログ) every 5 days. Most recently, Yondazo was updated on October 12, 2026 and nanolog (ナノログ) on October 27, 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.*