# Thunder Drone Checklist vs PreFlight

The clearest difference is in-app purchases: Thunder Drone Checklist at none against PreFlight's 1. Thunder Drone Checklist also leads on update cadence (every 2 days vs every 3 months) and iOS requirement (12.1 vs 26.0). PreFlight's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. PreFlight sells 1 one-off in-app purchase. Thunder Drone Checklist asks for nothing beyond the download.

Thunder Drone Checklist ships an update every 2 days, PreFlight every 3 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Thunder Drone Checklist | PreFlight |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/thunder-drone-checklist/id1567477997/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 31 MB | 6 MB |
| Requires iOS | **12.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Steven Martin](https://appshunter.io/developer/1543805373) | [Scott Manley](https://appshunter.io/developer/1864388985) |

## What reviewers say

### Thunder Drone Checklist

[App page](https://appshunter.io/ios/app/thunder-drone-checklist/id1567477997)

This app provides a comprehensive checklist for drone pilots to ensure responsible flight operations. It allows customization of checklist items, cloud data saving, and emailing of flight logs. It also records flight location, weather, and timestamps, maintaining a history of multiple drones and flights.

**Highlights:** Customizable flight checklists, Cloud data saving, Email flight checklists, Record flight location, weather, date/time, Flight history log, Manage multiple drones

**Features:** macOS Compatibility

**In-app purchases:** none


### PreFlight

[App page](https://appshunter.io/ios/app/preflight-drone-checklist/id6759703555)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PreFlight Pro | $1.99 | one-time |


## Frequently asked questions

### Is Thunder Drone Checklist free?

Thunder Drone Checklist is free to download, with no in-app purchases.

### Is PreFlight free?

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

### Do Thunder Drone Checklist or PreFlight have ads?

Thunder Drone Checklist shows ads; PreFlight does not.

### Which is updated more often, Thunder Drone Checklist or PreFlight?

Thunder Drone Checklist ships an update every 2 days, and PreFlight every 3 months. Most recently, Thunder Drone Checklist was updated on October 24, 2026 and PreFlight on October 25, 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.*