# Prometheus vs PROMETHEUS SIS

The clearest difference is update cadence: PROMETHEUS SIS at every 5 weeks against Prometheus's every 16 months. 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.

Prometheus ships an update every 16 months, PROMETHEUS SIS every 5 weeks. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Prometheus | PROMETHEUS SIS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (16 ratings)](https://appshunter.io/ios/app/prometheus-online-courses/id1213523151/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 5 weeks** |
| Monetization | Freemium | — |
| Size | 35 MB | 133 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Prometheus NGO](https://appshunter.io/developer/1213523150) | [Prometheus School](https://appshunter.io/developer/1607651940) |

## What reviewers say

### Prometheus

[App page](https://appshunter.io/ios/app/prometheus-online-courses/id1213523151)

Access a vast library of online courses from top educators in Ukraine, covering business, IT, personal development, and more. Learn new skills, gain certificates, and advance your career with this educational platform.

**Highlights:** Wide range of course topics, Free and paid course options, Learn anytime, anywhere, Downloadable lectures, Certificates for resume, Expert instructors

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

**In-app purchases:** none


### PROMETHEUS SIS

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

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

**In-app purchases:** none


## Frequently asked questions

### Is Prometheus free?

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

### Is PROMETHEUS SIS free?

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

### Do Prometheus or PROMETHEUS SIS have ads?

Neither Prometheus nor PROMETHEUS SIS shows ads.

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

Prometheus ships an update every 16 months, and PROMETHEUS SIS every 5 weeks. Most recently, Prometheus was updated on November 2, 2026 and PROMETHEUS SIS on November 7, 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.*