# ATG ELM vs Elm Pro

The clearest difference is update cadence: Elm Pro at every 2 weeks against ATG ELM'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.

ATG ELM ships an update every 5 weeks, Elm Pro every 2 weeks. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ATG ELM | Elm Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 2 MB | 54 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Advanced Technologies Group](https://appshunter.io/developer/732016893) | [Replika Software Inc.](https://appshunter.io/developer/1269455608) |

## What reviewers say

### ATG ELM

[App page](https://appshunter.io/ios/app/atg-elm/id6474374389)

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

**In-app purchases:** none


### Elm Pro

[App page](https://appshunter.io/ios/app/elm-pro/id6749247753)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ATG ELM free?

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

### Is Elm Pro free?

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

### Do ATG ELM or Elm Pro have ads?

Neither ATG ELM nor Elm Pro shows ads.

### Which is updated more often, ATG ELM or Elm Pro?

ATG ELM ships an update every 5 weeks, and Elm Pro every 2 weeks. Most recently, ATG ELM was updated on October 27, 2026 and Elm Pro on October 28, 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.*