# Markbook Mobile vs ABC Data

The clearest difference is in-app purchases: Markbook Mobile at none against ABC Data's 1. Markbook Mobile also leads on iOS requirement (11.0 vs 14.0). ABC Data's advantage is update cadence (every 6 weeks vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. ABC Data sells 1 in-app purchase, starting at $1.99 per month. Markbook Mobile asks for nothing beyond the download.

Markbook Mobile ships an update every 7 months, ABC Data every 6 weeks. The most recent releases landed on September 16, 2026 and July 8, 2026 respectively.

## The numbers

| Metric | Markbook Mobile | ABC Data |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Size | 14 MB | 21 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [READYTECH HOLDINGS LIMITED](https://appshunter.io/developer/1606840554) | [matthew sheedy](https://appshunter.io/developer/1008114949) |

## What reviewers say

### Markbook Mobile

[App page](https://appshunter.io/ios/app/markbook-mobile/id1081737471)

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

**In-app purchases:** none


### ABC Data

[App page](https://appshunter.io/ios/app/abc-data/id6503637004)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Export Subscription | $1.99 | per month |


## Frequently asked questions

### Is Markbook Mobile free?

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

### Is ABC Data free?

ABC Data is free to download, with in-app purchases available.

### Do Markbook Mobile or ABC Data have ads?

Neither Markbook Mobile nor ABC Data shows ads.

### Which is updated more often, Markbook Mobile or ABC Data?

Markbook Mobile ships an update every 7 months, and ABC Data every 6 weeks. Most recently, Markbook Mobile was updated on September 16, 2026 and ABC Data on July 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.*