# Karusphère vs Formiris

The clearest difference is update cadence: Karusphère at every 2 weeks against Formiris's every 5 weeks. 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.

Karusphère ships an update every 2 weeks, Formiris every 5 weeks. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Karusphère | Formiris |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Size | 32 MB | 228 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [J2R CONSULTING](https://appshunter.io/developer/1476067808) | [FORMIRIS](https://appshunter.io/developer/1694888033) |

## What reviewers say

### Karusphère

[App page](https://appshunter.io/ios/app/karusphere/id1637340643)

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

**In-app purchases:** none


### Formiris

[App page](https://appshunter.io/ios/app/formiris/id6450773918)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Karusphère free?

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

### Is Formiris free?

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

### Do Karusphère or Formiris have ads?

Neither Karusphère nor Formiris shows ads.

### Which is updated more often, Karusphère or Formiris?

Karusphère ships an update every 2 weeks, and Formiris every 5 weeks. Most recently, Karusphère was updated on October 4, 2026 and Formiris on October 1, 2026.

---

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