# Stackbox vs Focus Timer

The clearest difference is price: Stackbox at Free against Focus Timer's $2.99. Focus Timer's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

Stackbox is free to download; Focus Timer costs $2.99 up front. Stackbox sells 2 in-app purchases, starting at $1.99 per month. Focus Timer asks for nothing beyond the download.

Stackbox ships an update every 4 days, Focus Timer every 6 days. Both last shipped on September 24, 2026.

## The numbers

| Metric | Stackbox | Focus Timer |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 days |
| Size | 33 MB | 164 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YunJae Jeong](https://appshunter.io/developer/1568287924) | [SnapWorks Lab](https://appshunter.io/developer/1885406324) |

## What reviewers say

### Stackbox

[App page](https://appshunter.io/ios/app/stackbox-rss-reader/id6758572761)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Yearly Plan | $19.99 | per year |


### Focus Timer

[App page](https://appshunter.io/ios/app/focus-timer-flight-pomodoro/id6809570318)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stackbox free?

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

### Is Focus Timer free?

Focus Timer costs $2.99, with no in-app purchases.

### Do Stackbox or Focus Timer have ads?

Neither Stackbox nor Focus Timer shows ads.

### Which is updated more often, Stackbox or Focus Timer?

Stackbox ships an update every 4 days, and Focus Timer every 6 days. Most recently, Stackbox was updated on September 24, 2026 and Focus Timer on September 24, 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.*