# Basel III Reference Guide vs Audit 4

The clearest difference is price: Audit 4 at Free against Basel III Reference Guide's $9.99. Audit 4 also leads on update cadence (every 7 months vs every 31 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Audit 4 is free to download; Basel III Reference Guide costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Basel III Reference Guide ships an update every 31 months, Audit 4 every 7 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | Basel III Reference Guide | Audit 4 |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 7 months** |
| Size | 1 MB | 17 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cimcon Software, Inc.](https://appshunter.io/developer/596722626) | [Audit4 Compliance Ltd](https://appshunter.io/developer/1211717324) |

## What reviewers say

### Basel III Reference Guide

[App page](https://appshunter.io/ios/app/basel-iii-reference-guide/id1061539363)

**Features:** macOS Compatibility

**In-app purchases:** none


### Audit 4

[App page](https://appshunter.io/ios/app/audit-4/id1211717325)

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

**In-app purchases:** none


## Frequently asked questions

### Is Basel III Reference Guide free?

Basel III Reference Guide costs $9.99, with no in-app purchases.

### Is Audit 4 free?

Audit 4 is free to download, with no in-app purchases.

### Do Basel III Reference Guide or Audit 4 have ads?

Neither Basel III Reference Guide nor Audit 4 shows ads.

### Which is updated more often, Basel III Reference Guide or Audit 4?

Basel III Reference Guide ships an update every 31 months, and Audit 4 every 7 months. Most recently, Basel III Reference Guide was updated on November 2, 2026 and Audit 4 on November 2, 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.*