# ARC vs Cert Exam Prep for Claude Code

The clearest difference is in-app purchases: ARC at none against Cert Exam Prep for Claude Code's 2. Cert Exam Prep for Claude Code's advantage is iOS requirement (18.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Cert Exam Prep for Claude Code sells 2 in-app purchases, starting at $4.99 per month. ARC asks for nothing beyond the download.

ARC ships an update every 10 days, Cert Exam Prep for Claude Code fortnightly. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ARC | Cert Exam Prep for Claude Code |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Size | 0 MB | 6 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Blackbelt Labs](https://appshunter.io/developer/1372610100) | [Parra LLC](https://appshunter.io/developer/1865552317) |

## What reviewers say

### ARC

[App page](https://appshunter.io/ios/app/arc-agi/id6748441637)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cert Exam Prep for Claude Code

[App page](https://appshunter.io/ios/app/cert-exam-prep-for-claude-code/id6790151492)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Annual | $19.99 | per year |


## Frequently asked questions

### Is ARC free?

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

### Is Cert Exam Prep for Claude Code free?

Cert Exam Prep for Claude Code is free to download, with in-app purchases available.

### Do ARC or Cert Exam Prep for Claude Code have ads?

Neither ARC nor Cert Exam Prep for Claude Code shows ads.

### Which is updated more often, ARC or Cert Exam Prep for Claude Code?

ARC ships an update every 10 days, and Cert Exam Prep for Claude Code fortnightly. Most recently, ARC was updated on September 29, 2026 and Cert Exam Prep for Claude Code on October 10, 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.*