# ThatOneThing Tracker vs Countdown Flow

ThatOneThing Tracker and Countdown Flow are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

ThatOneThing Tracker ships an update daily, Countdown Flow every 2 days. The most recent releases landed on September 30, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ThatOneThing Tracker | Countdown Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 days |
| Size | 5 MB | 1 MB |
| Requires iOS | **18.2** | 18.4 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Redpolls Inc.](https://appshunter.io/developer/1796289125) | [Calvin Schumbera](https://appshunter.io/developer/1714469992) |

## What reviewers say

### ThatOneThing Tracker

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Countdown Flow

[App page](https://appshunter.io/ios/app/countdown-flow/id6745511538)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ThatOneThing Tracker free?

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

### Is Countdown Flow free?

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

### Do ThatOneThing Tracker or Countdown Flow have ads?

Neither ThatOneThing Tracker nor Countdown Flow shows ads.

### Which is updated more often, ThatOneThing Tracker or Countdown Flow?

ThatOneThing Tracker ships an update daily, and Countdown Flow every 2 days. Most recently, ThatOneThing Tracker was updated on September 30, 2026 and Countdown Flow on October 7, 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.*