# Calculator AI vs ProofDesk

The clearest difference is update cadence: Calculator AI at every 8 days against ProofDesk's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Calculator AI sells 2 in-app purchases, starting at $9.99 per 7 days and ProofDesk sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Calculator AI ships an update every 8 days, ProofDesk every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Calculator AI | ProofDesk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/proofdesk-evidence-journal/id6766057505/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 11 MB | 16 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aya Labs B.V.](https://appshunter.io/developer/1505783699) | [Antoine Conan](https://appshunter.io/developer/1870239015) |

## What reviewers say

### Calculator AI

[App page](https://appshunter.io/ios/app/calculator-ai-math-solver/id6747848256)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator AI Pro | $9.99 | per 7 days |
| Calculator AI Pro | $9.99 | per 7 days |


### ProofDesk

[App page](https://appshunter.io/ios/app/proofdesk-evidence-journal/id6766057505)

This app helps you meticulously document important events and information. Capture photos, voice memos, notes, and scans, then organize them into case files for easy export and sharing. An AI assistant can help summarize and analyze your documented evidence.

**Highlights:** Capture photos, voice memos, notes, and scans, Organize evidence into case files, Automatic transcription of voice memos, Add witnesses, expenses, and locations, Export time-stamped PDF reports, AI Assistant for summarization and analysis, Local data storage for privacy

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProofDesk Premium | $9.99 | per month |
| ProofDesk Premium | $79.00 | per year |


## Frequently asked questions

### Is Calculator AI free?

Calculator AI is free to download, with in-app purchases available.

### Is ProofDesk free?

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

### Do Calculator AI or ProofDesk have ads?

Neither Calculator AI nor ProofDesk shows ads.

### Which is updated more often, Calculator AI or ProofDesk?

Calculator AI ships an update every 8 days, and ProofDesk every 3 weeks. Most recently, Calculator AI was updated on October 24, 2026 and ProofDesk on October 25, 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.*