# Shri TSMS vs PROMETHEUS SIS

The clearest difference is iOS requirement: Shri TSMS at 13.0 against PROMETHEUS SIS's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

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

## The numbers

| Metric | Shri TSMS | PROMETHEUS SIS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/shri-tsms/id1204365519/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 63 MB | 133 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shri Educare Limited](https://appshunter.io/developer/1801406691) | [Prometheus School](https://appshunter.io/developer/1607651940) |

## What reviewers say

### Shri TSMS

[App page](https://appshunter.io/ios/app/shri-tsms/id1204365519)

This app allows parents to stay connected with their child's school and receive important updates directly on their mobile devices. It facilitates communication and information sharing between parents and the educational institution.

**Highlights:** Parent-school connection, Receive important school information, Mobile updates, Direct communication channel

**Features:** macOS Compatibility

**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 Shri TSMS free?

Shri TSMS 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 Shri TSMS or PROMETHEUS SIS have ads?

Neither Shri TSMS nor PROMETHEUS SIS shows ads.

### Which is updated more often, Shri TSMS or PROMETHEUS SIS?

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