# K vs Satalyst

The clearest difference is update cadence: Satalyst at every 3 days against K's fortnightly. 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.

K ships an update fortnightly, Satalyst every 3 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | K | Satalyst |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/satalyst/id6782313090/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | — | Free |
| Size | 38 MB | 31 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [FIELDS-IQ LLC](https://appshunter.io/developer/1884210066) | [Satyam Agrawal](https://appshunter.io/developer/6782313092) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-12pro/id6769632036)

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

**In-app purchases:** none


### Satalyst

[App page](https://appshunter.io/ios/app/satalyst/id6782313090)

This app transforms SAT preparation into an enjoyable experience through a collection of engaging mini-games. Users can build study streaks, compete on leaderboards, and track their progress in Math and Reading, aiming for a higher score.

**Highlights:** Gamified SAT practice, Mini-games based on SAT content, Progress tracking for Math & Reading, Global leaderboards, Unlockable mascot avatars, Build study streaks

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

**In-app purchases:** none


## Frequently asked questions

### Is K free?

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

### Is Satalyst free?

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

### Do K or Satalyst have ads?

Neither K nor Satalyst shows ads.

### Which is updated more often, K or Satalyst?

K ships an update fortnightly, and Satalyst every 3 days. Most recently, K was updated on October 31, 2026 and Satalyst on October 25, 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.*