# PeregrineEFB vs AVIOBOOK TECH

The clearest difference is iOS requirement: PeregrineEFB at 12.3 against AVIOBOOK TECH's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PeregrineEFB ships an update every 6 weeks, AVIOBOOK TECH every 2 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | PeregrineEFB | AVIOBOOK TECH |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 79 MB | 220 MB |
| Requires iOS | **12.3** | 17.6 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Acacus Technologies](https://appshunter.io/developer/1093404887) | [AvioVision](https://appshunter.io/developer/568400284) |

## What reviewers say

### PeregrineEFB

[App page](https://appshunter.io/ios/app/peregrineefb/id1266205042)

**Features:** macOS Compatibility

**In-app purchases:** none


### AVIOBOOK TECH

[App page](https://appshunter.io/ios/app/aviobook-tech/id1336964720)

**In-app purchases:** none


## Frequently asked questions

### Is PeregrineEFB free?

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

### Is AVIOBOOK TECH free?

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

### Do PeregrineEFB or AVIOBOOK TECH have ads?

Neither PeregrineEFB nor AVIOBOOK TECH shows ads.

### Which is updated more often, PeregrineEFB or AVIOBOOK TECH?

PeregrineEFB ships an update every 6 weeks, and AVIOBOOK TECH every 2 months. Most recently, PeregrineEFB was updated on October 26, 2026 and AVIOBOOK TECH on October 26, 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.*