# Math Helper Sigmaly AI vs Thinkzo

The clearest difference is device support: Thinkzo at 3 against Math Helper Sigmaly AI's 1. Thinkzo also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Math Helper Sigmaly AI sells 3 in-app purchases, starting at $4.99 per 7 days and Thinkzo sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Math Helper Sigmaly AI ships an update every 2 weeks, Thinkzo every 11 days. The most recent releases landed on October 30, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Math Helper Sigmaly AI | Thinkzo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thinkzo-ai-homework-helper/id6759196682/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Monetization | — | Free |
| Size | 22 MB | 51 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Anatoli Niculeac](https://appshunter.io/developer/1788751874) | [Gang Wu](https://appshunter.io/developer/1832307850) |

## What reviewers say

### Math Helper Sigmaly AI

[App page](https://appshunter.io/ios/app/math-helper-sigmaly-ai/id6756194673)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-Day Free Trial Weekly | $4.99 | per 7 days |
| 7-Day Trial Monthly | $12.99 | per month |
| Semester Plan | $34.99 | per 6 months |


### Thinkzo

[App page](https://appshunter.io/ios/app/thinkzo-ai-homework-helper/id6759196682)

Instantly solve homework problems by taking a photo. Get step-by-step explanations, generate practice questions, and receive instant AI grading with feedback. Supports multiple languages and subjects for students of all levels.

**Highlights:** AI-powered photo problem solver, Step-by-step solution explanations, Generate custom practice questions, Instant homework grading and feedback, Multi-language support, Privacy editor for sensitive information, Bookmark and save solutions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Annual | $29.99 | per year |


## Frequently asked questions

### Is Math Helper Sigmaly AI free?

Math Helper Sigmaly AI is free to download, with in-app purchases available.

### Is Thinkzo free?

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

### Do Math Helper Sigmaly AI or Thinkzo have ads?

Neither Math Helper Sigmaly AI nor Thinkzo shows ads.

### Which is updated more often, Math Helper Sigmaly AI or Thinkzo?

Math Helper Sigmaly AI ships an update every 2 weeks, and Thinkzo every 11 days. Most recently, Math Helper Sigmaly AI was updated on October 30, 2026 and Thinkzo on October 15, 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.*