# MKS SAT vs Vibrant online plus

The clearest difference is in-app purchases: MKS SAT at none against Vibrant online plus's 1. MKS SAT also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Vibrant online plus sells 1 one-off in-app purchase. MKS SAT asks for nothing beyond the download.

MKS SAT ships an update weekly, Vibrant online plus every 3 weeks. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MKS SAT | Vibrant online plus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 35 MB | 276 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INFLANCER TECHNOLOGY PVT. LTD.](https://appshunter.io/developer/1760161904) | [Nepova Technologies](https://appshunter.io/developer/1896288136) |

## What reviewers say

### MKS SAT

[App page](https://appshunter.io/ios/app/mks-sat/id6745502549)

**Features:** macOS Compatibility

**In-app purchases:** none


### Vibrant online plus

[App page](https://appshunter.io/ios/app/vibrant-online-plus/id6777965057)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $0.99 | one-time |


## Frequently asked questions

### Is MKS SAT free?

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

### Is Vibrant online plus free?

Vibrant online plus is free to download, with in-app purchases available.

### Do MKS SAT or Vibrant online plus have ads?

Neither MKS SAT nor Vibrant online plus shows ads.

### Which is updated more often, MKS SAT or Vibrant online plus?

MKS SAT ships an update weekly, and Vibrant online plus every 3 weeks. Most recently, MKS SAT was updated on November 8, 2026 and Vibrant online plus on October 31, 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.*