# Celsteel vs Josyfon

Celsteel and Josyfon are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 weeks. Both last shipped on November 2, 2026.

## The numbers

| Metric | Celsteel | Josyfon |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Size | 10 MB | 15 MB |
| Requires iOS | 13.4 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Celsteel Ltd](https://appshunter.io/developer/1132526721) | [L & R JOSYFON LIMITED](https://appshunter.io/developer/1221912669) |

## What reviewers say

### Celsteel

[App page](https://appshunter.io/ios/app/celsteel/id1132526722)

**Features:** macOS Compatibility

**In-app purchases:** none


### Josyfon

[App page](https://appshunter.io/ios/app/josyfon/id1135022980)

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

**In-app purchases:** none


## Frequently asked questions

### Is Celsteel free?

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

### Is Josyfon free?

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

### Do Celsteel or Josyfon have ads?

Neither Celsteel nor Josyfon shows ads.

### Which is updated more often, Celsteel or Josyfon?

Celsteel ships an update every 5 weeks, and Josyfon every 5 weeks. Most recently, Celsteel was updated on November 2, 2026 and Josyfon on November 2, 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.*