# PreFlight vs ThatOneThing Tracker

The clearest difference is update cadence: ThatOneThing Tracker at daily against PreFlight's every 9 days. ThatOneThing Tracker also leads on iOS requirement (18.2 vs 26.0). PreFlight's advantage is device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PreFlight ships an update every 9 days, ThatOneThing Tracker daily. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PreFlight | ThatOneThing Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/preflight-checklist/id6467522954/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Daily** |
| Monetization | Free | — |
| Size | 9 MB | 5 MB |
| Requires iOS | 26.0 | **18.2** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [AngryBoat, LLC](https://appshunter.io/developer/1708765855) | [Redpolls Inc.](https://appshunter.io/developer/1796289125) |

## What reviewers say

### PreFlight

[App page](https://appshunter.io/ios/app/preflight-checklist/id6467522954)

Create and manage detailed, customizable checklists for any recurring task or preparation. This app ensures you never miss a critical step in your routines, from outdoor adventures to daily organization.

**Highlights:** Customizable checklists, Master recurring tasks, Detailed step management, Organized preparation workflows, Ensures no steps are missed

**Features:** Apple Watch app

**In-app purchases:** none


### ThatOneThing Tracker

[App page](https://appshunter.io/ios/app/thatonething-tracker/id6742381162)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PreFlight free?

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

### Is ThatOneThing Tracker free?

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

### Do PreFlight or ThatOneThing Tracker have ads?

Neither PreFlight nor ThatOneThing Tracker shows ads.

### Which is updated more often, PreFlight or ThatOneThing Tracker?

PreFlight ships an update every 9 days, and ThatOneThing Tracker daily. Most recently, PreFlight was updated on October 19, 2026 and ThatOneThing Tracker on October 15, 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.*