# MAXBOOK vs BTS PAY

The clearest difference is update cadence: MAXBOOK at every 4 days against BTS PAY's every 9 months. MAXBOOK also leads on iOS requirement (12.0 vs 15.0). 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.

MAXBOOK ships an update every 4 days, BTS PAY every 9 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | MAXBOOK | BTS PAY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 9 months |
| Size | 34 MB | 73 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [MAXULA BOURSE](https://appshunter.io/developer/1844330712) | [BANQUE TUNISIENNE DE SOLIDARITE](https://appshunter.io/developer/1862543108) |

## What reviewers say

### MAXBOOK

[App page](https://appshunter.io/ios/app/maxbook/id1662328484)

**Features:** macOS Compatibility

**In-app purchases:** none


### BTS PAY

[App page](https://appshunter.io/ios/app/bts-pay/id6756733870)

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

**In-app purchases:** none


## Frequently asked questions

### Is MAXBOOK free?

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

### Is BTS PAY free?

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

### Do MAXBOOK or BTS PAY have ads?

Neither MAXBOOK nor BTS PAY shows ads.

### Which is updated more often, MAXBOOK or BTS PAY?

MAXBOOK ships an update every 4 days, and BTS PAY every 9 months. Most recently, MAXBOOK was updated on October 7, 2026 and BTS PAY on October 7, 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.*