# SyncOP vs BookMPG

The clearest difference is ads: BookMPG at none against SyncOP's shown. On price, update cadence, 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.

SyncOP ships an update every 11 days, BookMPG every 8 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | SyncOP | BookMPG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Every 8 days** |
| Size | 16 MB | 96 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sync Layer, Inc. (U.S.)](https://appshunter.io/developer/1707568674) | [Jabez Software, Llc](https://appshunter.io/developer/1047275178) |

## What reviewers say

### SyncOP

[App page](https://appshunter.io/ios/app/syncop/id6466648823)

**Features:** macOS Compatibility

**In-app purchases:** none


### BookMPG

[App page](https://appshunter.io/ios/app/bookmpg/id6478734288)

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

**In-app purchases:** none


## Frequently asked questions

### Is SyncOP free?

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

### Is BookMPG free?

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

### Do SyncOP or BookMPG have ads?

SyncOP shows ads; BookMPG does not.

### Which is updated more often, SyncOP or BookMPG?

SyncOP ships an update every 11 days, and BookMPG every 8 days. Most recently, SyncOP was updated on November 3, 2026 and BookMPG on November 8, 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.*