# MUST PROFESSOR vs Memorize Binary

The clearest difference is update cadence: MUST PROFESSOR at monthly against Memorize Binary's every 32 months. On price, ads, in-app purchases and device support there is nothing between them.

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

MUST PROFESSOR ships an update monthly, Memorize Binary every 32 months. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | MUST PROFESSOR | Memorize Binary |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 32 months |
| Monetization | — | Free |
| Size | 24 MB | 2 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [batjargal chuluunkhuu](https://appshunter.io/developer/1538719237) | [Ola Kaare Risa](https://appshunter.io/developer/1562401648) |

## What reviewers say

### MUST PROFESSOR

[App page](https://appshunter.io/ios/app/must-professor/id1556175407)

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

**In-app purchases:** none


### Memorize Binary

[App page](https://appshunter.io/ios/app/memorize-binary/id1562401646)

This app helps users memorize binary numbers by allowing customization of memorization time, digit count, and grouping. It tracks your best results, providing a tool for focused learning and memory improvement.

**Highlights:** Customizable memorization time, Adjustable digit count, Configurable digit grouping, Save best results, Binary number practice

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

**In-app purchases:** none


## Frequently asked questions

### Is MUST PROFESSOR free?

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

### Is Memorize Binary free?

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

### Do MUST PROFESSOR or Memorize Binary have ads?

Neither MUST PROFESSOR nor Memorize Binary shows ads.

### Which is updated more often, MUST PROFESSOR or Memorize Binary?

MUST PROFESSOR ships an update monthly, and Memorize Binary every 32 months. Most recently, MUST PROFESSOR was updated on October 24, 2026 and Memorize Binary on October 15, 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.*