# ELM App vs RotaMatch

The clearest difference is in-app purchases: ELM App at none against RotaMatch's 2. ELM App also leads on iOS requirement (13.0 vs 15.0). RotaMatch's advantage is update cadence (every 2 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. RotaMatch sells 2 in-app purchases, starting at $2.99 per month. ELM App asks for nothing beyond the download.

ELM App ships an update every 3 months, RotaMatch every 2 days. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | ELM App | RotaMatch |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 57.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 39 MB | 104 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [East London Mosque](https://appshunter.io/developer/1565557129) | [Richard O'Brien](https://appshunter.io/developer/6790899500) |

## What reviewers say

### ELM App

[App page](https://appshunter.io/ios/app/elm-app/id1565557127)

Access accurate prayer times for the East London Mosque & London Muslim Centre. Set reminders for daily prayers and make secure Sadaqah donations directly through the app. Stay connected with your local mosque.

**Highlights:** Daily prayer times, Jama'ah prayer times, Prayer reminders, Secure Sadaqah donations, London Unified Prayer Timetable

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### RotaMatch

[App page](https://appshunter.io/ios/app/rotamatch-shift-calendar/id6790899498)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $24.99 | per year |


## Frequently asked questions

### Is ELM App free?

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

### Is RotaMatch free?

RotaMatch is free to download, with in-app purchases available.

### Do ELM App or RotaMatch have ads?

Neither ELM App nor RotaMatch shows ads.

### Which is updated more often, ELM App or RotaMatch?

ELM App ships an update every 3 months, and RotaMatch every 2 days. Most recently, ELM App was updated on November 7, 2026 and RotaMatch on November 6, 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.*