# SiteSense Lite vs Prometheus Mobile STO

The clearest difference is update cadence: Prometheus Mobile STO at every 2 months against SiteSense Lite's every 3 months. SiteSense Lite's advantage is iOS requirement (11.0 vs 13.0). 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.

SiteSense Lite ships an update every 3 months, Prometheus Mobile STO every 2 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SiteSense Lite | Prometheus Mobile STO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 19 MB | 34 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Intelliwave Technologies](https://appshunter.io/developer/1455277804) | [PROMETHEUS GROUP, INC.](https://appshunter.io/developer/1554172551) |

## What reviewers say

### SiteSense Lite

[App page](https://appshunter.io/ios/app/sitesense-lite/id6448962462)

**Features:** macOS Compatibility

**In-app purchases:** none


### Prometheus Mobile STO

[App page](https://appshunter.io/ios/app/prometheus-mobile-sto/id6452803445)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SiteSense Lite free?

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

### Is Prometheus Mobile STO free?

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

### Do SiteSense Lite or Prometheus Mobile STO have ads?

Neither SiteSense Lite nor Prometheus Mobile STO shows ads.

### Which is updated more often, SiteSense Lite or Prometheus Mobile STO?

SiteSense Lite ships an update every 3 months, and Prometheus Mobile STO every 2 months. Most recently, SiteSense Lite was updated on October 27, 2026 and Prometheus Mobile STO on October 30, 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.*