# SimpleTools vs Study Arena

The clearest difference is in-app purchases: Study Arena at none against SimpleTools's 2. SimpleTools's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. SimpleTools sells 2 in-app purchases, starting at $4.99 per 7 days. Study Arena asks for nothing beyond the download.

SimpleTools ships an update weekly, Study Arena every 4 days. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SimpleTools | Study Arena |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simpletools-chemistry-solver/id6762289966/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 15 MB | 29 MB |
| Requires iOS | **17** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Yevhenii Kniaziev](https://appshunter.io/developer/1878685835) | [A1Base Inc](https://appshunter.io/developer/1827600016) |

## What reviewers say

### SimpleTools

[App page](https://appshunter.io/ios/app/simpletools-chemistry-solver/id6762289966)

Instantly solve chemistry problems with AI-powered, step-by-step explanations. Snap a photo of any chemistry question and receive a clear, structured solution in seconds, helping students and parents understand problem-solving processes.

**Highlights:** AI-powered problem solving, Photo scanning for problems, Step-by-step explanations, Supports various chemistry topics, Unlimited scans with premium

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $4.99 | per 7 days |
| Premium Yearly | $29.99 | per year |


### Study Arena

[App page](https://appshunter.io/ios/app/study-arena-ai-homework-help/id6800842124)

**In-app purchases:** none


## Frequently asked questions

### Is SimpleTools free?

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

### Is Study Arena free?

Study Arena is free to download, with no in-app purchases.

### Do SimpleTools or Study Arena have ads?

Study Arena shows ads; SimpleTools does not.

### Which is updated more often, SimpleTools or Study Arena?

SimpleTools ships an update weekly, and Study Arena every 4 days. Most recently, SimpleTools was updated on October 19, 2026 and Study Arena on October 18, 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.*