# Stackbox vs Focus Fire

The clearest difference is in-app purchases: Focus Fire at none against Stackbox's 2. Stackbox's advantage is iOS requirement (18.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Stackbox sells 2 in-app purchases, starting at $1.99 per month. Focus Fire asks for nothing beyond the download.

Stackbox ships an update every 4 days, Focus Fire every 5 days. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Stackbox | Focus Fire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/focus-fire-dopamine-detox/id6762136499/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | — | Free |
| Size | 33 MB | 19 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YunJae Jeong](https://appshunter.io/developer/1568287924) | [Attention Place](https://appshunter.io/developer/1893080283) |

## 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 Fire

[App page](https://appshunter.io/ios/app/focus-fire-dopamine-detox/id6762136499)

Enhance focus by changing your study location and using app-blocking features. Combine with a Pomodoro timer for maximum productivity and track your most effective environments.

**Highlights:** Pomodoro timer, App lock mode, Location tracking, Noise measurement, Group focus sessions, Pattern analysis graphs

**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 Fire free?

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

### Do Stackbox or Focus Fire have ads?

Neither Stackbox nor Focus Fire shows ads.

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

Stackbox ships an update every 4 days, and Focus Fire every 5 days. Most recently, Stackbox was updated on October 10, 2026 and Focus Fire on October 1, 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.*