# Countdown Flow vs StudyFoc.us

The clearest difference is update cadence: Countdown Flow at every 2 days against StudyFoc.us's weekly. StudyFoc.us's advantage is iOS requirement (16.4 vs 18.4). 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.

Countdown Flow ships an update every 2 days, StudyFoc.us weekly. The most recent releases landed on September 20, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Countdown Flow | StudyFoc.us |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/studyfocus-pomodoro-timer/id6791058868/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | — | Free |
| Size | 1 MB | 201 MB |
| Requires iOS | 18.4 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Calvin Schumbera](https://appshunter.io/developer/1714469992) | [nam tran](https://appshunter.io/developer/1444538920) |

## What reviewers say

### Countdown Flow

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

**Features:** macOS Compatibility

**In-app purchases:** none


### StudyFoc.us

[App page](https://appshunter.io/ios/app/studyfocus-pomodoro-timer/id6791058868)

Enhance your study habits with a focus timer designed for deep work. Track time by subject, customize your focus sessions with flexible timer modes, and visualize progress with detailed reports. Stay motivated through friendly competition and group focus sessions.

**Highlights:** Focus timer for study and work, Track time by subject and task, Customizable focus sessions, Pomodoro and Pomoflow modes, Detailed progress reports, Leaderboard for accountability, Group focus sessions

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

**In-app purchases:** none


## Frequently asked questions

### Is Countdown Flow free?

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

### Is StudyFoc.us free?

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

### Do Countdown Flow or StudyFoc.us have ads?

Neither Countdown Flow nor StudyFoc.us shows ads.

### Which is updated more often, Countdown Flow or StudyFoc.us?

Countdown Flow ships an update every 2 days, and StudyFoc.us weekly. Most recently, Countdown Flow was updated on September 20, 2026 and StudyFoc.us on September 26, 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.*