# IMA Mobile vs eCall Pro

The clearest difference is update cadence: eCall Pro at every 3 months against IMA Mobile's every 16 months. IMA Mobile's advantage is iOS requirement (13.0 vs 16.0). 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.

IMA Mobile ships an update every 16 months, eCall Pro every 3 months. The most recent releases landed on September 10, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | IMA Mobile | eCall Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/ima-mobile/id1438669620/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 9 MB | 9 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mitsubishi Electric Automation, Inc.](https://appshunter.io/developer/1438669619) | [Otis Elevator Company](https://appshunter.io/developer/992577451) |

## What reviewers say

### IMA Mobile

[App page](https://appshunter.io/ios/app/ima-mobile/id1438669620)

Monitor your CNC machines in real-time from your mobile device. Receive instant notifications for alarms and status changes to ensure efficient and effective facility operations. This app supports the Industrial Internet of Things (IIoT) by providing universal connectivity through the MTConnect standard.

**Highlights:** Real-time CNC status monitoring, Instant alarm and status change notifications, MTConnect compliant connectivity, Supports 24/7 manufacturing operations, Improves Overall Equipment Efficiency (OEE), Increases machine usage

**Features:** macOS Compatibility

**In-app purchases:** none


### eCall Pro

[App page](https://appshunter.io/ios/app/ecall-pro/id1561992694)

**In-app purchases:** none


## Frequently asked questions

### Is IMA Mobile free?

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

### Is eCall Pro free?

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

### Do IMA Mobile or eCall Pro have ads?

Neither IMA Mobile nor eCall Pro shows ads.

### Which is updated more often, IMA Mobile or eCall Pro?

IMA Mobile ships an update every 16 months, and eCall Pro every 3 months. Most recently, IMA Mobile was updated on September 10, 2026 and eCall Pro on September 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.*