# ExhaustPlus vs Book Identifier

The clearest difference is update cadence: Book Identifier at fortnightly against ExhaustPlus's every 2 months. 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.

ExhaustPlus ships an update every 2 months, Book Identifier fortnightly. Both last shipped on October 16, 2026.

## The numbers

| Metric | ExhaustPlus | Book Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (9 ratings)](https://appshunter.io/ios/app/book-identifier/id6758747605/reviews)** |
| Number of ratings | — | **9** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 28 MB | 4 MB |
| Requires iOS | **17.0** | 18 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AVESO Electronics d.o.o.](https://appshunter.io/developer/1831059231) | [Kawaii](https://appshunter.io/developer/1696001381) |

## What reviewers say

### ExhaustPlus

[App page](https://appshunter.io/ios/app/exhaustplus/id6749547504)

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

**In-app purchases:** none


### Book Identifier

[App page](https://appshunter.io/ios/app/book-identifier/id6758747605)

Instantly identify books by scanning their cover or spine. Get detailed information including author, publisher, market value, and rarity. Organize your scanned books into a personal collection and explore what others have discovered.

**Highlights:** Intelligent book recognition via photo, Detailed appraisal with value and rarity, Comprehensive publication details, Personalized book collection catalog, Community archive browsing, Condition assessment and preservation tips

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

**In-app purchases:** none


## Frequently asked questions

### Is ExhaustPlus free?

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

### Is Book Identifier free?

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

### Do ExhaustPlus or Book Identifier have ads?

Neither ExhaustPlus nor Book Identifier shows ads.

### Which is updated more often, ExhaustPlus or Book Identifier?

ExhaustPlus ships an update every 2 months, and Book Identifier fortnightly. Most recently, ExhaustPlus was updated on October 16, 2026 and Book Identifier on October 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*