# AB Compatibility vs Drinking Log

The clearest difference is price: AB Compatibility at Free against Drinking Log's $1.99. Drinking Log's advantage is iOS requirement (13.0 vs 16.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

AB Compatibility is free to download; Drinking Log costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AB Compatibility ships an update every 5 weeks, Drinking Log every 3 weeks. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | AB Compatibility | Drinking Log |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 42 MB | 25 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Alexander Berkovich](https://appshunter.io/developer/1460157188) | [Xiamen City Fanyou Network Technology Co., Ltd.](https://appshunter.io/developer/1842524161) |

## What reviewers say

### AB Compatibility

[App page](https://appshunter.io/ios/app/ab-compatibility/id1642034607)

**Features:** macOS Compatibility

**In-app purchases:** none


### Drinking Log

[App page](https://appshunter.io/ios/app/drinking-log-wine-beer-spirits/id6772426629)

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

**In-app purchases:** none


## Frequently asked questions

### Is AB Compatibility free?

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

### Is Drinking Log free?

Drinking Log costs $1.99, with no in-app purchases.

### Do AB Compatibility or Drinking Log have ads?

Neither AB Compatibility nor Drinking Log shows ads.

### Which is updated more often, AB Compatibility or Drinking Log?

AB Compatibility ships an update every 5 weeks, and Drinking Log every 3 weeks. Most recently, AB Compatibility was updated on October 6, 2026 and Drinking Log on October 4, 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.*