# SUT e vs MOD LINK Gatekeeper

The clearest difference is update cadence: SUT e at every 3 months against MOD LINK Gatekeeper's every 9 months. SUT e also leads on iOS requirement (7.0 vs 12.1). 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.

SUT e ships an update every 3 months, MOD LINK Gatekeeper every 9 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SUT e | MOD LINK Gatekeeper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Size | 9 MB | 51 MB |
| Requires iOS | **7.0** | 12.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Suranaree University of Technology](https://appshunter.io/developer/979127612) | [King Mongkut's University of Technology Thonburi](https://appshunter.io/developer/1149802599) |

## What reviewers say

### SUT e

[App page](https://appshunter.io/ios/app/sut-e-learning/id979128762)

**In-app purchases:** none


### MOD LINK Gatekeeper

[App page](https://appshunter.io/ios/app/mod-link-gatekeeper/id1614778486)

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

**In-app purchases:** none


## Frequently asked questions

### Is SUT e free?

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

### Is MOD LINK Gatekeeper free?

MOD LINK Gatekeeper is free to download, with no in-app purchases.

### Do SUT e or MOD LINK Gatekeeper have ads?

Neither SUT e nor MOD LINK Gatekeeper shows ads.

### Which is updated more often, SUT e or MOD LINK Gatekeeper?

SUT e ships an update every 3 months, and MOD LINK Gatekeeper every 9 months. Most recently, SUT e was updated on November 1, 2026 and MOD LINK Gatekeeper on November 3, 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.*