# IBM On Call Manager vs AutoBlack

The clearest difference is rating: AutoBlack at 5.0 against IBM On Call Manager's 2.3. AutoBlack also leads on update cadence (every 2 months vs every 3 months). IBM On Call Manager's advantage is ratings volume (6 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

AutoBlack holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

IBM On Call Manager ships an update every 3 months, AutoBlack every 2 months. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | IBM On Call Manager | AutoBlack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (6 ratings)](https://appshunter.io/ios/app/ibm-on-call-manager/id6499559904/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/autoblack/id6771905512/reviews)** |
| Number of ratings | **6** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 39 MB | 53 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [IBM](https://appshunter.io/developer/367353856) | [Seven Global Continental LLC](https://appshunter.io/developer/6771905514) |

## What reviewers say

### IBM On Call Manager

[App page](https://appshunter.io/ios/app/ibm-on-call-manager/id6499559904)

This app helps IT operations teams manage and resolve incidents in real-time. It unifies events from various sources, correlates them into single incidents, and sends timely notifications to the right personnel. Responders can collaborate and choose their preferred communication channels for updates.

**Highlights:** Real-time incident resolution, Event ingestion and correlation, Unified incident view, Integrated notifications, Incident responder collaboration, Multi-channel communication

**In-app purchases:** none


### AutoBlack

[App page](https://appshunter.io/ios/app/autoblack/id6771905512)

Organize vehicle maintenance with service history and timely reminders for tasks like oil changes and filter replacements. Track upcoming due dates and mileage, and access an AI assistant for general maintenance queries.

**Highlights:** Vehicle maintenance organization, Service history logging, Maintenance reminders, AI maintenance assistant, Where to buy parts section, Customizable preferences

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

**In-app purchases:** none


## Frequently asked questions

### Is IBM On Call Manager free?

IBM On Call Manager is free to download, with no in-app purchases.

### Is AutoBlack free?

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

### Which has better reviews, IBM On Call Manager or AutoBlack?

AutoBlack is rated higher. IBM On Call Manager averages 2.3 out of 5 from 6 ratings, while AutoBlack averages 5.0 from 2 ratings.

### Do IBM On Call Manager or AutoBlack have ads?

Neither IBM On Call Manager nor AutoBlack shows ads.

### Which is updated more often, IBM On Call Manager or AutoBlack?

IBM On Call Manager ships an update every 3 months, and AutoBlack every 2 months. Most recently, IBM On Call Manager was updated on October 24, 2026 and AutoBlack on October 18, 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.*