# Sim Checklists vs Tower 27

The clearest difference is update cadence: Tower 27 at weekly against Sim Checklists's every 3 months. Tower 27 also leads on iOS requirement (15.0 vs 26.0). 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.

Sim Checklists ships an update every 3 months, Tower 27 weekly. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sim Checklists | Tower 27 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/sim-checklists-msfs/id6794960946/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | — |
| Size | 5 MB | 506 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Leon Nwankwo](https://appshunter.io/developer/1079667770) | [Senol Tastan](https://appshunter.io/developer/6796084378) |

## What reviewers say

### Sim Checklists

[App page](https://appshunter.io/ios/app/sim-checklists-msfs/id6794960946)

This app provides interactive checklists for popular flight simulators, allowing users to manage cockpit procedures directly on their mobile device. It offers a challenge-and-response format, progress tracking, and works offline, enhancing the flight simulation experience.

**Highlights:** Interactive challenge-and-response checklists, Progress tracking with visual indicators, Offline functionality, Aircraft-specific checklists, Haptic feedback, Dark mode and VoiceOver support

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

**In-app purchases:** none


### Tower 27

[App page](https://appshunter.io/ios/app/tower-27/id6815358883)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sim Checklists free?

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

### Is Tower 27 free?

Tower 27 is free to download, with no in-app purchases.

### Do Sim Checklists or Tower 27 have ads?

Neither Sim Checklists nor Tower 27 shows ads.

### Which is updated more often, Sim Checklists or Tower 27?

Sim Checklists ships an update every 3 months, and Tower 27 weekly. Most recently, Sim Checklists was updated on November 6, 2026 and Tower 27 on October 31, 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.*