# CheckedSafe LoneWorker vs ABT9000

The clearest difference is update cadence: ABT9000 at every 3 months against CheckedSafe LoneWorker's every 64 months. CheckedSafe LoneWorker's advantage is device support (3 vs 1) and iOS requirement (12.3 vs 16.1). On price, 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.

CheckedSafe LoneWorker ships an update every 64 months, ABT9000 every 3 months. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | CheckedSafe LoneWorker | ABT9000 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 64 months | **Every 3 months** |
| Size | 5 MB | 115 MB |
| Requires iOS | **12.3** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Paragus Ltd](https://appshunter.io/developer/1773796754) | [Abtus Ltd](https://appshunter.io/developer/1568295463) |

## What reviewers say

### CheckedSafe LoneWorker

[App page](https://appshunter.io/ios/app/checkedsafe-loneworker/id1149087739)

**Features:** macOS Compatibility

**In-app purchases:** none


### ABT9000

[App page](https://appshunter.io/ios/app/abt9000/id6746047514)

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

**In-app purchases:** none


## Frequently asked questions

### Is CheckedSafe LoneWorker free?

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

### Is ABT9000 free?

ABT9000 is free to download, with no in-app purchases.

### Do CheckedSafe LoneWorker or ABT9000 have ads?

Neither CheckedSafe LoneWorker nor ABT9000 shows ads.

### Which is updated more often, CheckedSafe LoneWorker or ABT9000?

CheckedSafe LoneWorker ships an update every 64 months, and ABT9000 every 3 months. Most recently, CheckedSafe LoneWorker was updated on October 16, 2026 and ABT9000 on October 17, 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.*