# ELi APPBook vs Sinapsi

The clearest difference is update cadence: Sinapsi at every 4 days against ELi APPBook's every 3 weeks. Sinapsi also leads on iOS requirement (11.0 vs 15.6). 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.

ELi APPBook ships an update every 3 weeks, Sinapsi every 4 days. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ELi APPBook | Sinapsi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 4.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 11 MB | 24 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ELI Srl](https://appshunter.io/developer/666759004) | [Diesys Informatica Srl](https://appshunter.io/developer/710501018) |

## What reviewers say

### ELi APPBook

[App page](https://appshunter.io/ios/app/eli-appbook/id910061058)

Access your primary school digital textbooks easily and quickly. Students can enter a code from their physical book to unlock the digital version. Teachers can request access for their classroom.

**Highlights:** Access digital textbooks, Student code redemption, Teacher access requests, Browse digital versions, Official school app

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

**In-app purchases:** none


### Sinapsi

[App page](https://appshunter.io/ios/app/sinapsi/id6475340665)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ELi APPBook free?

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

### Is Sinapsi free?

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

### Do ELi APPBook or Sinapsi have ads?

Neither ELi APPBook nor Sinapsi shows ads.

### Which is updated more often, ELi APPBook or Sinapsi?

ELi APPBook ships an update every 3 weeks, and Sinapsi every 4 days. Most recently, ELi APPBook was updated on October 24, 2026 and Sinapsi on October 15, 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.*