# Subjects vs Dienos

The clearest difference is in-app purchases: Dienos at none against Subjects's 1. Dienos also leads on iOS requirement (16.4 vs 26.0). Subjects's advantage is update cadence (weekly vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. Subjects sells 1 in-app purchase, starting at $1.99 per month. Dienos asks for nothing beyond the download.

Subjects ships an update weekly, Dienos fortnightly. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Subjects | Dienos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 36 MB | 40 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jarryd Baillie](https://appshunter.io/developer/1693798521) | [MB Olten Technologies](https://appshunter.io/developer/1896771771) |

## What reviewers say

### Subjects

[App page](https://appshunter.io/ios/app/subjects-class-planner/id6450539552)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subjects Pro Monthly | $1.99 | per month |


### Dienos

[App page](https://appshunter.io/ios/app/dienos/id6786348354)

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

**In-app purchases:** none


## Frequently asked questions

### Is Subjects free?

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

### Is Dienos free?

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

### Do Subjects or Dienos have ads?

Neither Subjects nor Dienos shows ads.

### Which is updated more often, Subjects or Dienos?

Subjects ships an update weekly, and Dienos fortnightly. Most recently, Subjects was updated on October 6, 2026 and Dienos on October 9, 2026.

---

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