# Statistics Calculator vs ML Engineer Pro Prep

The clearest difference is iOS requirement: ML Engineer Pro Prep at 13.0 against Statistics Calculator's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Statistics Calculator sells 8 one-off in-app purchases and ML Engineer Pro Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 2, 2026.

## The numbers

| Metric | Statistics Calculator | ML Engineer Pro Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 179 MB | 84 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) | [AITYTECH](https://appshunter.io/developer/1885549185) |

## What reviewers say

### Statistics Calculator

[App page](https://appshunter.io/ios/app/statistics-calculator-basics/id6472452972)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Lifetime Access | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |


### ML Engineer Pro Prep

[App page](https://appshunter.io/ios/app/ml-engineer-pro-prep/id6762125525)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Lifetime | $3.99 | one-time |


## Frequently asked questions

### Is Statistics Calculator free?

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

### Is ML Engineer Pro Prep free?

ML Engineer Pro Prep is free to download, with in-app purchases available.

### Do Statistics Calculator or ML Engineer Pro Prep have ads?

Neither Statistics Calculator nor ML Engineer Pro Prep shows ads.

### Which is updated more often, Statistics Calculator or ML Engineer Pro Prep?

Statistics Calculator ships an update every 3 weeks, and ML Engineer Pro Prep every 3 weeks. Most recently, Statistics Calculator was updated on October 2, 2026 and ML Engineer Pro Prep on October 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.*