# PROMETHEUS SIS vs SecureNext

The clearest difference is update cadence: SecureNext at daily against PROMETHEUS SIS's every 5 weeks. 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 SIS ships an update every 5 weeks, SecureNext daily. The most recent releases landed on September 27, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | PROMETHEUS SIS | SecureNext |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Daily** |
| Size | 133 MB | 85 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) | [Edunext Technologies Private Limited](https://appshunter.io/developer/839957005) |

## 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


### SecureNext

[App page](https://appshunter.io/ios/app/securenext/id6811787579)

**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 SecureNext free?

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

### Do PROMETHEUS SIS or SecureNext have ads?

Neither PROMETHEUS SIS nor SecureNext shows ads.

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

PROMETHEUS SIS ships an update every 5 weeks, and SecureNext daily. Most recently, PROMETHEUS SIS was updated on September 27, 2026 and SecureNext on October 6, 2026.

---

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