# nasej vs Kepler

The clearest difference is ads: nasej at none against Kepler's shown. Kepler's advantage is update cadence (every 3 days vs every 5 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

nasej ships an update every 5 weeks, Kepler every 3 days. The most recent releases landed on October 1, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | nasej | Kepler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Size | 82 MB | 80 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Yaman Ktish](https://appshunter.io/developer/1765866763) | [Aiman Hommoss](https://appshunter.io/developer/1872970663) |

## What reviewers say

### nasej

[App page](https://appshunter.io/ios/app/nasej/id6740990336)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kepler

[App page](https://appshunter.io/ios/app/kepler/id6758451356)

**In-app purchases:** none


## Frequently asked questions

### Is nasej free?

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

### Is Kepler free?

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

### Do nasej or Kepler have ads?

Kepler shows ads; nasej does not.

### Which is updated more often, nasej or Kepler?

nasej ships an update every 5 weeks, and Kepler every 3 days. Most recently, nasej was updated on October 1, 2026 and Kepler on September 8, 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.*