# Pop Out Timer Stopwatch Clock vs Smart Flow Hall

The clearest difference is in-app purchases: Smart Flow Hall at none against Pop Out Timer Stopwatch Clock's 3. Smart Flow Hall also leads on iOS requirement (15.0 vs 17.6). Pop Out Timer Stopwatch Clock's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Pop Out Timer Stopwatch Clock sells 3 in-app purchases, starting at $0.49 per month. Smart Flow Hall asks for nothing beyond the download.

Pop Out Timer Stopwatch Clock ships an update weekly, Smart Flow Hall every 2 months. The most recent releases landed on October 26, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Pop Out Timer Stopwatch Clock | Smart Flow Hall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (322 ratings)](https://appshunter.io/ios/app/pop-out-timer-stopwatch-clock/id1352722326/reviews)** | — |
| Number of ratings | **322** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 43 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Think Tap Work](https://appshunter.io/developer/431621741) | [Smart Sensor Design - Empresa Paranaense de Sensores LTDA](https://appshunter.io/developer/1737767839) |

## What reviewers say

### Pop Out Timer Stopwatch Clock

[App page](https://appshunter.io/ios/app/pop-out-timer-stopwatch-clock/id1352722326)

This app offers an always-on-screen floating timer, stopwatch, Pomodoro timer, and clock using picture-in-picture. It's ideal for tasks requiring precise timing while using other full-screen applications, allowing for easy window manipulation.

**Highlights:** Picture-in-picture floating windows, Always-on-screen timer, Stopwatch functionality, Pomodoro timer, Floating clock, Adjustable window position and size

**Features:** Family Sharing, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pop Out Premium Monthly | $0.49 | per month |
| Pop Out Premium Yearly | $3.99 | per year |
| Pop Out Premium | $11.99 | one-time |


### Smart Flow Hall

[App page](https://appshunter.io/ios/app/smart-flow-hall-purific/id6760403063)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pop Out Timer Stopwatch Clock free?

Pop Out Timer Stopwatch Clock is free to download, with in-app purchases available.

### Is Smart Flow Hall free?

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

### Do Pop Out Timer Stopwatch Clock or Smart Flow Hall have ads?

Neither Pop Out Timer Stopwatch Clock nor Smart Flow Hall shows ads.

### Which is updated more often, Pop Out Timer Stopwatch Clock or Smart Flow Hall?

Pop Out Timer Stopwatch Clock ships an update weekly, and Smart Flow Hall every 2 months. Most recently, Pop Out Timer Stopwatch Clock was updated on October 26, 2026 and Smart Flow Hall on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*