# PROMETHEUS SIS vs myMschool

PROMETHEUS SIS and myMschool are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

PROMETHEUS SIS ships an update every 5 weeks, myMschool every 3 weeks. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PROMETHEUS SIS | myMschool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 133 MB | 62 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Prometheus School](https://appshunter.io/developer/1607651940) | [School Ascent Services Private Limited](https://appshunter.io/developer/6799859403) |

## What reviewers say

### PROMETHEUS SIS

[App page](https://appshunter.io/ios/app/prometheus-sis/id6450706664)

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

**In-app purchases:** none


### myMschool

[App page](https://appshunter.io/ios/app/mymschool/id6799859401)

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

**In-app purchases:** none


## Frequently asked questions

### Is PROMETHEUS SIS free?

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

### Is myMschool free?

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

### Do PROMETHEUS SIS or myMschool have ads?

Neither PROMETHEUS SIS nor myMschool shows ads.

### Which is updated more often, PROMETHEUS SIS or myMschool?

PROMETHEUS SIS ships an update every 5 weeks, and myMschool every 3 weeks. Most recently, PROMETHEUS SIS was updated on October 12, 2026 and myMschool on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*