# SubSum vs FocusJump

The clearest difference is in-app purchases: SubSum at none against FocusJump's 5. FocusJump's advantage is update cadence (every 10 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. FocusJump sells 4 in-app purchases, starting at $1.99 per month. SubSum asks for nothing beyond the download.

SubSum ships an update every 4 months, FocusJump every 10 days. The most recent releases landed on September 9, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | SubSum | FocusJump |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Monetization | — | Freemium |
| Size | 2 MB | 16 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [桥 汪](https://appshunter.io/developer/1658027527) | [帆 邱](https://appshunter.io/developer/1766624521) |

## What reviewers say

### SubSum

[App page](https://appshunter.io/ios/app/subsum/id6754885566)

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

**In-app purchases:** none


### FocusJump

[App page](https://appshunter.io/ios/app/focusjump-pomodoro-timer/id6758427495)

This app gamifies focus sessions by turning them into virtual skydiving journeys. Users set focus durations, travel to new destinations, and unlock landmarks. Track progress with detailed statistics and view real-time updates on your lock screen.

**Highlights:** Gamified focus sessions with skydiving theme, Travel to unlock new cities and landmarks, Immersive 3D maps and ambient soundscapes, Detailed focus statistics and progress tracking, Live Activity and Lock Screen integration, iCloud sync across iPhone and iPad

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $1.99 | per month |
| Annual Pro | $6.99 | per year |
| Lifetime Pro | $9.99 | one-time |
| Lifetime Pro | $29.99 | one-time |


## Frequently asked questions

### Is SubSum free?

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

### Is FocusJump free?

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

### Do SubSum or FocusJump have ads?

Neither SubSum nor FocusJump shows ads.

### Which is updated more often, SubSum or FocusJump?

SubSum ships an update every 4 months, and FocusJump every 10 days. Most recently, SubSum was updated on September 9, 2026 and FocusJump on September 27, 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.*