# Appt vs Mathematicus Parvus

The clearest difference is in-app purchases: Appt at none against Mathematicus Parvus's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Mathematicus Parvus sells 1 one-off in-app purchase. Appt asks for nothing beyond the download.

Appt ships an update every 4 months, Mathematicus Parvus every 6 months. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Appt | Mathematicus Parvus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Size | 4 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stichting Appt](https://appshunter.io/developer/1539395904) | [Kristof Nijs](https://appshunter.io/developer/1608072573) |

## What reviewers say

### Appt

[App page](https://appshunter.io/ios/app/appt-app-accessibility/id1527923025)

**In-app purchases:** none


### Mathematicus Parvus

[App page](https://appshunter.io/ios/app/mathematicus-parvus/id1613162646)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Purchase of the app | $0.99 | one-time |


## Frequently asked questions

### Is Appt free?

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

### Is Mathematicus Parvus free?

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

### Do Appt or Mathematicus Parvus have ads?

Neither Appt nor Mathematicus Parvus shows ads.

### Which is updated more often, Appt or Mathematicus Parvus?

Appt ships an update every 4 months, and Mathematicus Parvus every 6 months. Most recently, Appt was updated on October 3, 2026 and Mathematicus Parvus on October 2, 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.*