# Project Chiron vs MathGPT

The clearest difference is in-app purchases: Project Chiron at none against MathGPT's 8. Project Chiron also leads on ads (none vs shown) and update cadence (every 5 days vs every 2 weeks). MathGPT's advantage is chart position (#185 vs unranked). On price, device support and iOS requirement there is nothing between them.

Both are free to download. MathGPT sells 8 in-app purchases, starting at $9.99 per month. Project Chiron asks for nothing beyond the download.

Project Chiron ships an update every 5 days, MathGPT every 2 weeks. The most recent releases landed on September 17, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Project Chiron | MathGPT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5.8K ratings)](https://appshunter.io/ios/app/mathgpt-ai-math-solver/id6736904451/reviews)** |
| Number of ratings | — | **5.8K** |
| Positive reviews | — | 81.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#185** |
| Size | 144 MB | 69 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [James Booth](https://appshunter.io/developer/1745107348) | [MathGPT LLC](https://appshunter.io/developer/1773759168) |

## What reviewers say

### Project Chiron

[App page](https://appshunter.io/ios/app/project-chiron/id6502346822)

**Features:** Vision Pro support

**In-app purchases:** none


### MathGPT

[App page](https://appshunter.io/ios/app/mathgpt-ai-math-solver/id6736904451)

**Currently charting:** #185 Top Grossing · Education (US App Store)

Instantly solve math problems by taking a photo. Get step-by-step explanations, AI-animated videos, and interactive graphs to understand complex concepts. This AI-powered homework helper covers various subjects beyond math.

**Highlights:** Photo-based problem solving, Step-by-step explanations, AI-animated math videos, Interactive graphing calculator, Homework helper for multiple subjects, On-demand AI tutor

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Billing | $9.99 | per month |
| Monthly Billing | $14.99 | per month |
| Monthly Billing | $19.99 | per month |
| Semester Billing | $24.99 | per 3 months |
| Annual Billing | $48.99 | per year |
| Annual Billing | $69.99 | per year |
| Annual Billing | $89.99 | per year |
| Annual Billing | $119.99 | per year |

**What reviewers like**

- 🚀 Excellent video explanations
- 👍 Great app for learning math
- 💡 Interactive and engaging learning experience
- 🚀 Accurate and helpful answers

**What reviewers complain about**

- 🐛 Occasional errors in calculations
- 💰 Lack of annual billing option
- 🐛 Issues with processing images

**Reported bugs**

- Answers sometimes wrong despite paid subscription
- App not working properly, requiring multiple attempts

**Requested features**

- History of examples and solutions
- More detailed explanations in Arabic


## Frequently asked questions

### Is Project Chiron free?

Project Chiron is free to download, with no in-app purchases.

### Is MathGPT free?

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

### Do Project Chiron or MathGPT have ads?

MathGPT shows ads; Project Chiron does not.

### Which is updated more often, Project Chiron or MathGPT?

Project Chiron ships an update every 5 days, and MathGPT every 2 weeks. Most recently, Project Chiron was updated on September 17, 2026 and MathGPT on September 25, 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.*