# Math Helper Sigmaly AI vs 9Solver AI

The clearest difference is device support: 9Solver AI at 3 against Math Helper Sigmaly AI's 1. 9Solver AI also leads on iOS requirement (15.6 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 9Solver AI sells 7 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Math Helper Sigmaly AI ships an update every 2 weeks, 9Solver AI every 9 days. The most recent releases landed on September 9, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Math Helper Sigmaly AI | 9Solver AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 22 MB | 110 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Anatoli Niculeac](https://appshunter.io/developer/1788751874) | [Le Hoang Thi Ngoc](https://appshunter.io/developer/1458862040) |

## 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 |


### 9Solver AI

[App page](https://appshunter.io/ios/app/9solver-ai-homework-helper/id6758931755)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $5.99 | per 7 days |
| Weekly | $5.99 | per 7 days |
| Monthly | $29.99 | per month |
| Monthly | $29.99 | per month |
| Yearly | $69.99 | per year |
| Yearly | $99.99 | per year |
| Premium | $99.99 | 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 9Solver AI free?

9Solver AI is free to download, with in-app purchases available.

### Do Math Helper Sigmaly AI or 9Solver AI have ads?

Neither Math Helper Sigmaly AI nor 9Solver AI shows ads.

### Which is updated more often, Math Helper Sigmaly AI or 9Solver AI?

Math Helper Sigmaly AI ships an update every 2 weeks, and 9Solver AI every 9 days. Most recently, Math Helper Sigmaly AI was updated on September 9, 2026 and 9Solver AI on September 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*