# Dotty vs Penna

The clearest difference is update cadence: Penna at every 4 days against Dotty's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Dotty sells 3 one-off in-app purchases and Penna sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Dotty ships an update monthly, Penna every 4 days. The most recent releases landed on September 9, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Dotty | Penna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/penna-adhd-visual-schedule/id6777857054/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 16 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Smina](https://appshunter.io/developer/1438684403) | [Nikolai Tsyrenov](https://appshunter.io/developer/1896638186) |

## What reviewers say

### Dotty

[App page](https://appshunter.io/ios/app/dotty-habit-and-task-planner/id6775509474)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Support | $1.99 | one-time |
| Generous Support | $4.99 | one-time |
| Big Support | $9.99 | one-time |


### Penna

[App page](https://appshunter.io/ios/app/penna-adhd-visual-schedule/id6777857054)

This offline planner uses on-device AI to break down large tasks into smaller steps and organize your thoughts visually. It prioritizes privacy with no accounts, cloud storage, or data collection, offering encrypted backups and export options.

**Highlights:** On-device AI task breakdown, Visual snap-grid board, Offline functionality, Brain Dump for thoughts, Smart text input, Encrypted backups, Pomodoro focus timer

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Penna Pro | $11.99 | one-time |


## Frequently asked questions

### Is Dotty free?

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

### Is Penna free?

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

### Do Dotty or Penna have ads?

Neither Dotty nor Penna shows ads.

### Which is updated more often, Dotty or Penna?

Dotty ships an update monthly, and Penna every 4 days. Most recently, Dotty was updated on September 9, 2026 and Penna on September 20, 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.*