# Bookpluto vs KLIOSO

The clearest difference is in-app purchases: Bookpluto at none against KLIOSO's 2. KLIOSO's advantage is update cadence (every 3 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. KLIOSO sells 2 in-app purchases, starting at $19.99 per month. Bookpluto asks for nothing beyond the download.

Bookpluto ships an update every 3 months, KLIOSO every 3 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Bookpluto | KLIOSO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 43 MB | 15 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Streamlinepro llc](https://appshunter.io/developer/6778078304) | [Alina Hosporian](https://appshunter.io/developer/6799077697) |

## What reviewers say

### Bookpluto

[App page](https://appshunter.io/ios/app/bookpluto/id6778078302)

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

**In-app purchases:** none


### KLIOSO

[App page](https://appshunter.io/ios/app/klioso/id6799077695)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KLIOSO Pro Monthly | $19.99 | per month |
| KLIOSO Pro Yearly | $199.99 | per year |


## Frequently asked questions

### Is Bookpluto free?

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

### Is KLIOSO free?

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

### Do Bookpluto or KLIOSO have ads?

Neither Bookpluto nor KLIOSO shows ads.

### Which is updated more often, Bookpluto or KLIOSO?

Bookpluto ships an update every 3 months, and KLIOSO every 3 days. Most recently, Bookpluto was updated on November 5, 2026 and KLIOSO on November 6, 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.*