# Flight Shift vs Penna

The clearest difference is in-app purchases: Flight Shift at none against Penna's 1. Flight Shift also leads on iOS requirement (14.0 vs 18.0). Penna's advantage is update cadence (every 4 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Penna sells 1 one-off in-app purchase. Flight Shift asks for nothing beyond the download.

Flight Shift ships an update every 3 weeks, Penna every 4 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Flight Shift | Penna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/penna-adhd-visual-schedule/id6777857054/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 16 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Victor Ermilov](https://appshunter.io/developer/1678720263) | [NTSAUTOSIGA LLC](https://appshunter.io/developer/1896638186) |

## What reviewers say

### Flight Shift

[App page](https://appshunter.io/ios/app/flight-shift/id6741475006)

This app automates the calculation of flight crew duty and rest times, adhering to Russian Ministry of Transport regulations. It accounts for various factors like flight class, unexpected events, and post-flight duties to ensure compliance and optimize crew schedules.

**Highlights:** Automated duty and rest time calculation, Accounts for various flight conditions, Visual time scale, Offline functionality, Splits flight shifts, Calculates minimum rest periods, Determines engine start deadlines

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Flight Shift free?

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

### Is Penna free?

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

### Do Flight Shift or Penna have ads?

Neither Flight Shift nor Penna shows ads.

### Which is updated more often, Flight Shift or Penna?

Flight Shift ships an update every 3 weeks, and Penna every 4 days. Most recently, Flight Shift was updated on October 7, 2026 and Penna on October 8, 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.*