# Square Root Pro vs Spark

The clearest difference is in-app purchases: Square Root Pro at none against Spark's 1. Square Root Pro also leads on ratings volume (3 vs 1). Spark's advantage is ads (none vs shown) and update cadence (every 10 days vs every 8 months). On price, rating, review sentiment and device support there is nothing between them.

Both are free to download. Spark sells 1 in-app purchase, starting at $169.00 per year. Square Root Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Square Root Pro against 5.0 for Spark. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Square Root Pro ships an update every 8 months, Spark every 10 days. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Square Root Pro | Spark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/square-root-pro/id1621600446/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/spark-master-math/id6451227493/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 10 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 30 MB | 38 MB |
| Requires iOS | 17.6 | **13** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Bradshaw](https://appshunter.io/developer/1360674639) | [SPARK BILGISAYAR YAZILIM TEKNOLOJI TICARET LIMITED SIRKETI](https://appshunter.io/developer/1591733424) |

## 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


### Spark

[App page](https://appshunter.io/ios/app/spark-master-math/id6451227493)

This app helps students master math through understanding core logic, not memorization. It offers short, effective practice sessions with instant feedback and strategic analysis to identify and close learning gaps. The platform covers a wide range of math topics, building a strong foundation for academic success.

**Highlights:** Speed through understanding method, Short, effective practice sessions, Focused module structure, Strategic analysis and review, Instant feedback, Interconnected building blocks

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Package | $169.00 | per year |


## Frequently asked questions

### Is Square Root Pro free?

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

### Is Spark free?

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

### Which has better reviews, Square Root Pro or Spark?

Square Root Pro and Spark are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

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

Square Root Pro shows ads; Spark does not.

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

Square Root Pro ships an update every 8 months, and Spark every 10 days. Most recently, Square Root Pro was updated on October 8, 2026 and Spark on October 3, 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.*