# Space Sum vs Rekefush

The clearest difference is update cadence: Space Sum at daily against Rekefush's every 10 days. Space Sum also leads on iOS requirement (11.0 vs 14.0). 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.

Space Sum ships an update daily, Rekefush every 10 days. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Space Sum | Rekefush |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 10 days |
| Size | 54 MB | 37 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sunshine software solution limited liability company](https://appshunter.io/developer/1569563959) | [Thi Nguyen Ngoc](https://appshunter.io/developer/6771590820) |

## What reviewers say

### Space Sum

[App page](https://appshunter.io/ios/app/space-sum/id6447391627)

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

**In-app purchases:** none


### Rekefush

[App page](https://appshunter.io/ios/app/rekefush/id6772848719)

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

**In-app purchases:** none


## Frequently asked questions

### Is Space Sum free?

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

### Is Rekefush free?

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

### Do Space Sum or Rekefush have ads?

Neither Space Sum nor Rekefush shows ads.

### Which is updated more often, Space Sum or Rekefush?

Space Sum ships an update daily, and Rekefush every 10 days. Most recently, Space Sum was updated on October 10, 2026 and Rekefush on September 30, 2026.

---

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