# Mathesis vs Brevi

The clearest difference is in-app purchases: Mathesis at none against Brevi's 2. Brevi's advantage is update cadence (daily vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Brevi sells 2 in-app purchases, starting at $4.99 per month. Mathesis asks for nothing beyond the download.

Mathesis ships an update every 2 months, Brevi daily. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Mathesis | Brevi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 53 MB | 38 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aiofeffect LLC](https://appshunter.io/developer/1833105894) | [Son Tran Huu](https://appshunter.io/developer/1822805959) |

## What reviewers say

### Mathesis

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

**In-app purchases:** none


### Brevi

[App page](https://appshunter.io/ios/app/brevi-daily-knowledge/id6782568880)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Brevi Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is Mathesis free?

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

### Is Brevi free?

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

### Do Mathesis or Brevi have ads?

Neither Mathesis nor Brevi shows ads.

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

Mathesis ships an update every 2 months, and Brevi daily. Most recently, Mathesis was updated on November 9, 2026 and Brevi on November 10, 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.*