# ATS Publications vs SGIS LMS

The clearest difference is update cadence: ATS Publications at every 2 weeks against SGIS LMS's every 16 months. ATS Publications also leads on iOS requirement (11.0 vs 15.1). 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.

ATS Publications ships an update every 2 weeks, SGIS LMS every 16 months. The most recent releases landed on October 27, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ATS Publications | SGIS LMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 16 months |
| Size | 69 MB | 17 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ibrahim Amer](https://appshunter.io/developer/1054899889) | [Skolera ULP](https://appshunter.io/developer/1346646109) |

## What reviewers say

### ATS Publications

[App page](https://appshunter.io/ios/app/ats-publications/id6446320422)

**Features:** macOS Compatibility

**In-app purchases:** none


### SGIS LMS

[App page](https://appshunter.io/ios/app/sgis-lms/id6736469810)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ATS Publications free?

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

### Is SGIS LMS free?

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

### Do ATS Publications or SGIS LMS have ads?

Neither ATS Publications nor SGIS LMS shows ads.

### Which is updated more often, ATS Publications or SGIS LMS?

ATS Publications ships an update every 2 weeks, and SGIS LMS every 16 months. Most recently, ATS Publications was updated on October 27, 2026 and SGIS LMS on October 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.*