# Math Helper Sigmaly AI vs Diagram Explainer

The clearest difference is device support: Diagram Explainer at 4 against Math Helper Sigmaly AI's 1. Diagram Explainer also leads on iOS requirement (13.0 vs 17.6). On price, 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 Diagram Explainer sells 4 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Math Helper Sigmaly AI | Diagram Explainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 22 MB | 95 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Anatoli Niculeac](https://appshunter.io/developer/1788751874) | [EclixTech UK LTD](https://appshunter.io/developer/1824450302) |

## 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 |


### Diagram Explainer

[App page](https://appshunter.io/ios/app/diagram-explainer-ai-helper/id6761840834)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $6.99 | per month |
| Monthly Subscription | $7.99 | per month |
| Yearly Subscription | $29.99 | per year |
| Yearly Subscription | $44.99 | 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 Diagram Explainer free?

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

### Do Math Helper Sigmaly AI or Diagram Explainer have ads?

Neither Math Helper Sigmaly AI nor Diagram Explainer shows ads.

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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.*