# iKeyPurse vs Any Formula

The clearest difference is price: Any Formula at Free against iKeyPurse's $3.99. Any Formula also leads on rating (5.0 vs 3.8). iKeyPurse's advantage is in-app purchases (none vs 1) and update cadence (every 3 days vs monthly). On ads, device support and iOS requirement there is nothing between them.

Any Formula is free to download; iKeyPurse costs $3.99 up front. Any Formula sells 1 one-off in-app purchase. iKeyPurse asks for nothing beyond the download.

Any Formula holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: iKeyPurse has 25 ratings behind it against 2, so its average is the more settled of the two.

iKeyPurse ships an update every 3 days, Any Formula monthly. The most recent releases landed on October 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | iKeyPurse | Any Formula |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [3.8 (25 ratings)](https://appshunter.io/ios/app/ikeypurse/id500461487/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/any-formula/id6761690225/reviews)** |
| Number of ratings | **25** | 2 |
| Positive reviews | 42.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | **Free** | Freemium |
| Size | 43 MB | 3 MB |
| Requires iOS | **17.2** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MY AR UNIPESSOAL LDA.](https://appshunter.io/developer/1527916019) | [Aihotey LLC](https://appshunter.io/developer/1890912802) |

## What reviewers say

### iKeyPurse

[App page](https://appshunter.io/ios/app/ikeypurse/id500461487)

This app securely stores and manages confidential information, including passwords, voice memos, photos, and PDFs. It features an AI-generated interface, cross-device syncing, and an integrated credit card scanner. The app offers robust security with features like intruder face recording and a one-time passcode authenticator.

**Highlights:** AI-generated user interface, Cross-device syncing (iOS, Mac), Autofill across devices, Secure storage for 20+ data types, Credit card scanner, Intruder face recording, PDF scanner and viewer

**Features:** Vision Pro support

**In-app purchases:** none


### Any Formula

[App page](https://appshunter.io/ios/app/any-formula/id6761690225)

Access a vast library of scientific, engineering, and financial formulas for instant calculations. Features smart input validation, customizable themes, and privacy-focused data handling. Unlock all formulas and advanced sharing options with a one-time purchase.

**Highlights:** 572 scientific, engineering, financial formulas, 9 formula categories, Smart input validation, Customizable themes (Light, Dark, Auto), Favorites and history, Unit customization and auto-conversion, Privacy-focused, no tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Any Formula Pro | $2.99 | one-time |


## Frequently asked questions

### Is iKeyPurse free?

iKeyPurse costs $3.99, with no in-app purchases.

### Is Any Formula free?

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

### Which has better reviews, iKeyPurse or Any Formula?

Any Formula is rated higher. iKeyPurse averages 3.8 out of 5 from 25 ratings, while Any Formula averages 5.0 from 2 ratings.

### Do iKeyPurse or Any Formula have ads?

Neither iKeyPurse nor Any Formula shows ads.

### Which is updated more often, iKeyPurse or Any Formula?

iKeyPurse ships an update every 3 days, and Any Formula monthly. Most recently, iKeyPurse was updated on October 29, 2026 and Any Formula on October 14, 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.*