# Didactus vs Daily Brain

The clearest difference is price: Didactus at Free against Daily Brain's $7.99. Didactus also leads on update cadence (every 6 weeks vs every 3 months) and device support (3 vs 1). Daily Brain's advantage is in-app purchases (none vs 2). On ads there is nothing between them.

Didactus is free to download; Daily Brain costs $7.99 up front. Didactus sells 2 one-off in-app purchases. Daily Brain asks for nothing beyond the download.

Didactus ships an update every 6 weeks, Daily Brain every 3 months. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Didactus | Daily Brain |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 35 MB | 3 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [KEITH MICHAEL BLEVINS](https://appshunter.io/developer/1872107809) | [JUSTIN GUL](https://appshunter.io/developer/1883015160) |

## What reviewers say

### Didactus

[App page](https://appshunter.io/ios/app/didactus/id6758306095)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LVN NCLEX Module | $39.99 | one-time |
| Registered Nurse NCLEX Prep | $69.99 | one-time |


### Daily Brain

[App page](https://appshunter.io/ios/app/daily-brain/id6760964551)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Didactus free?

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

### Is Daily Brain free?

Daily Brain costs $7.99, with no in-app purchases.

### Do Didactus or Daily Brain have ads?

Neither Didactus nor Daily Brain shows ads.

### Which is updated more often, Didactus or Daily Brain?

Didactus ships an update every 6 weeks, and Daily Brain every 3 months. Most recently, Didactus was updated on October 14, 2026 and Daily Brain on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*