# Теорема Виета vs agai math

The clearest difference is in-app purchases: Теорема Виета at none against agai math's 2. agai math's advantage is update cadence (every 2 weeks vs every 10 months) and iOS requirement (13.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. agai math sells 2 one-off in-app purchases. Теорема Виета asks for nothing beyond the download.

Теорема Виета ships an update every 10 months, agai math every 2 weeks. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Теорема Виета | agai math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Size | 1 MB | 47 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Artem Chursin](https://appshunter.io/developer/1355128630) | [Ilyas Agadilov](https://appshunter.io/developer/1848746843) |

## What reviewers say

### Теорема Виета

[App page](https://appshunter.io/ios/app/id1355128871)

**Features:** macOS Compatibility

**In-app purchases:** none


### agai math

[App page](https://appshunter.io/ios/app/agai-math/id6760620003)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| agai month | $24.99 | one-time |
| agai ENT | $89.99 | one-time |


## Frequently asked questions

### Is Теорема Виета free?

Теорема Виета is free to download, with no in-app purchases.

### Is agai math free?

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

### Do Теорема Виета or agai math have ads?

Neither Теорема Виета nor agai math shows ads.

### Which is updated more often, Теорема Виета or agai math?

Теорема Виета ships an update every 10 months, and agai math every 2 weeks. Most recently, Теорема Виета was updated on November 2, 2026 and agai math on October 31, 2026.

---

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