# eigenCalc vs Mathesis

eigenCalc and Mathesis are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

eigenCalc ships an update monthly, Mathesis every 2 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | eigenCalc | Mathesis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 2 MB | 53 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Luis Acevedo-Arreguin](https://appshunter.io/developer/1642773653) | [Aiofeffect LLC](https://appshunter.io/developer/1833105894) |

## What reviewers say

### eigenCalc

[App page](https://appshunter.io/ios/app/eigencalc/id6503222785)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mathesis

[App page](https://appshunter.io/ios/app/mathesis/id6757658558)

**In-app purchases:** none


## Frequently asked questions

### Is eigenCalc free?

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

### Is Mathesis free?

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

### Do eigenCalc or Mathesis have ads?

Neither eigenCalc nor Mathesis shows ads.

### Which is updated more often, eigenCalc or Mathesis?

eigenCalc ships an update monthly, and Mathesis every 2 months. Most recently, eigenCalc was updated on October 25, 2026 and Mathesis on October 28, 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.*