Appt vs Mathematicus Parvus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Appt
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Almost half of all people with a mobile phone use accessibility features. Much more than you would expect, right? Unfortunately, most apps do not take these accessibility features into account. As a result, millions of people are unable to use apps. Download the Appt app and learn how to make your app accessible!
Mathematicus Parvus
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Mathematicus Parvus is an app to practice and encourage mental arithmetic. The app is easy to use and fully accessible using VoiceOver. Add and subtract to 10, 100 or 1000. Multiply and divide with numbers from 1 to 12. Fun auditory and visual effects. Don't hesitate to try the app for free.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Appt | Mathematicus Parvus |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Stichting Appt | Kristof Nijs |
In-app purchases
Appt
No in-app purchases
Mathematicus Parvus
- Purchase of the app$0.99
Questions
Is Appt free?
Is Mathematicus Parvus free?
Do Appt or Mathematicus Parvus have ads?
Which is updated more often, Appt or Mathematicus Parvus?
Other comparisons
