# Skylob vs iCalc Champions

The clearest difference is update cadence: iCalc Champions at every 4 days against Skylob's every 3 weeks. iCalc Champions also leads on ratings volume (12 vs 1) and iOS requirement (14.0 vs 17.0). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Skylob against 4.9 for iCalc Champions. That said, the two scores are not equally well evidenced: iCalc Champions has 12 ratings behind it against 1, so its average is the more settled of the two.

Skylob ships an update every 3 weeks, iCalc Champions every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Skylob | iCalc Champions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/skylob/id1538744084/reviews)** | [4.9 (12 ratings)](https://appshunter.io/ios/app/icalc-champions-basic-math/id1544688547/reviews) |
| Number of ratings | 1 | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free | Free |
| Size | 11 MB | 14 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kyle Cheng](https://appshunter.io/developer/1518774140) | [Jake Elrod](https://appshunter.io/developer/365336355) |

## What reviewers say

### Skylob

[App page](https://appshunter.io/ios/app/skylob/id1538744084)

Explore the vastness of the observable universe, from its immense size to the accelerating expansion driven by dark energy. Discover how our cosmological horizon is shrinking, making parts of the cosmos permanently unknowable. This app invites contemplation on our place within this cosmic immensity.

**Highlights:** Observable universe scale, Dark energy and expansion, Cosmological horizon explained, Our place in the cosmos, Scientific concepts simplified

**Features:** macOS Compatibility

**In-app purchases:** none


### iCalc Champions

[App page](https://appshunter.io/ios/app/icalc-champions-basic-math/id1544688547)

This educational app adapts to your math skill level, increasing problem difficulty as you improve. It offers contextually relevant video explanations for any problem you find challenging.

**Highlights:** Adaptive difficulty levels, Video explanations for problems, Arithmetic practice, Geometry practice, Progressive skill challenge

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

**In-app purchases:** none


## Frequently asked questions

### Is Skylob free?

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

### Is iCalc Champions free?

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

### Which has better reviews, Skylob or iCalc Champions?

Skylob is rated higher. Skylob averages 5.0 out of 5 from 1 ratings, while iCalc Champions averages 4.9 from 12 ratings.

### Do Skylob or iCalc Champions have ads?

Neither Skylob nor iCalc Champions shows ads.

### Which is updated more often, Skylob or iCalc Champions?

Skylob ships an update every 3 weeks, and iCalc Champions every 4 days. Most recently, Skylob was updated on October 24, 2026 and iCalc Champions on October 24, 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.*