# Square Root Pro vs I Aced Calculus AP Prep

The clearest difference is in-app purchases: Square Root Pro at none against I Aced Calculus AP Prep's 3. Square Root Pro also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 88%). I Aced Calculus AP Prep's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 8 months). On price and device support there is nothing between them.

Both are free to download. I Aced Calculus AP Prep sells 3 in-app purchases, starting at $7.99 per month. Square Root Pro asks for nothing beyond the download.

Square Root Pro holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: I Aced Calculus AP Prep has 30 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Square Root Pro's written reviews are positive against 88% of I Aced Calculus AP Prep's.

Square Root Pro ships an update every 8 months, I Aced Calculus AP Prep every 2 weeks. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Square Root Pro | I Aced Calculus AP Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/square-root-pro/id1621600446/reviews)** | [4.6 (30 ratings)](https://appshunter.io/ios/app/i-aced-calculus-ap-prep/id1666694535/reviews) |
| Number of ratings | 3 | **30** |
| Positive reviews | **100.0% of reviews** | 87.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 30 MB | 64 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Bradshaw](https://appshunter.io/developer/1360674639) | [I Aced Calculus, LLC](https://appshunter.io/developer/1666694957) |

## 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


### I Aced Calculus AP Prep

[App page](https://appshunter.io/ios/app/i-aced-calculus-ap-prep/id1666694535)

Master single-variable calculus with this comprehensive study companion. It offers flashcards, practice questions, video explanations, and AI assistance to prepare for AP exams or college courses. Study modes and difficulty levels cater to all learners.

**Highlights:** 400+ Smart Flashcards, 1200+ Practice Questions, Video Explanations, AI Assistance, Spaced Repetition Study Mode, Calculator Tips

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $7.99 | per month |
| Premium - 3 Months | $19.99 | per 3 months |
| Premium - Annual | $35.99 | per year |


## Frequently asked questions

### Is Square Root Pro free?

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

### Is I Aced Calculus AP Prep free?

I Aced Calculus AP Prep is free to download, with in-app purchases available.

### Which has better reviews, Square Root Pro or I Aced Calculus AP Prep?

Square Root Pro is rated higher. Square Root Pro averages 5.0 out of 5 from 3 ratings, while I Aced Calculus AP Prep averages 4.6 from 30 ratings.

### Do Square Root Pro or I Aced Calculus AP Prep have ads?

Square Root Pro shows ads; I Aced Calculus AP Prep does not.

### Which is updated more often, Square Root Pro or I Aced Calculus AP Prep?

Square Root Pro ships an update every 8 months, and I Aced Calculus AP Prep every 2 weeks. Most recently, Square Root Pro was updated on October 8, 2026 and I Aced Calculus AP Prep on October 9, 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.*