# Square Root Pro vs Steminai

The clearest difference is in-app purchases: Square Root Pro at none against Steminai's 6. Steminai's advantage is ads (none vs shown) and update cadence (fortnightly vs every 8 months). On price and device support there is nothing between them.

Both are free to download. Steminai sells 6 in-app purchases, starting at $9.99 per month. Square Root Pro asks for nothing beyond the download.

Square Root Pro ships an update every 8 months, Steminai fortnightly. The most recent releases landed on July 21, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Square Root Pro | Steminai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/square-root-pro/id1621600446/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 30 MB | 80 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Bradshaw](https://appshunter.io/developer/1360674639) | [Olaseni Cole](https://appshunter.io/developer/1843943180) |

## What reviewers say

### Square Root Pro

[App page](https://appshunter.io/ios/app/square-root-pro/id1621600446)

This app helps you mentally calculate square roots to two decimal places. It supports multiple languages and an internationalized numeric system for global users.

**Highlights:** Mental square root calculation, Accuracy to 2 decimal places, Multilingual support (English, Spanish, French, German, Chinese), Internationalized numeric system, Educational tool for math and science

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

**In-app purchases:** none


### Steminai

[App page](https://appshunter.io/ios/app/steminai-fun-coding-and-ai/id6753605281)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Steminai Basic Monthly | $9.99 | per month |
| Steminai Premium Monthly | $29.99 | per month |
| Steminai Pro Monthly | $49.99 | per month |
| Steminai Basic Yearly | $99.99 | per year |
| Steminai Premium Yearly | $289.99 | per year |
| Steminai Pro Yearly | $490.00 | per year |


## Frequently asked questions

### Is Square Root Pro free?

Square Root Pro is free to download, with no in-app purchases.

### Is Steminai free?

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

### Do Square Root Pro or Steminai have ads?

Square Root Pro shows ads; Steminai does not.

### Which is updated more often, Square Root Pro or Steminai?

Square Root Pro ships an update every 8 months, and Steminai fortnightly. Most recently, Square Root Pro was updated on July 21, 2026 and Steminai on September 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.*