# スマートブック本棚 vs shelfio

The clearest difference is update cadence: shelfio at fortnightly against スマートブック本棚's every 4 months. スマートブック本棚's advantage is iOS requirement (15 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.

スマートブック本棚 ships an update every 4 months, shelfio fortnightly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | スマートブック本棚 | shelfio |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 20 MB | 64 MB |
| Requires iOS | **15** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [MEDIA DO Co.,Ltd.](https://appshunter.io/developer/517669408) | [Reo Shigeno](https://appshunter.io/developer/1788864693) |

## What reviewers say

### スマートブック本棚

[App page](https://appshunter.io/ios/app/id1089846895)

**Features:** Vision Pro support

**In-app purchases:** none


### shelfio

[App page](https://appshunter.io/ios/app/shelfio/id1577889639)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is スマートブック本棚 free?

スマートブック本棚 is free to download, with no in-app purchases.

### Is shelfio free?

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

### Do スマートブック本棚 or shelfio have ads?

Neither スマートブック本棚 nor shelfio shows ads.

### Which is updated more often, スマートブック本棚 or shelfio?

スマートブック本棚 ships an update every 4 months, and shelfio fortnightly. Most recently, スマートブック本棚 was updated on November 2, 2026 and shelfio on November 3, 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.*