# BTMon Plus vs 911sms

The clearest difference is in-app purchases: 911sms at none against BTMon Plus's 2. BTMon Plus's advantage is update cadence (every 3 months vs every 11 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. BTMon Plus sells 2 in-app purchases, starting at $9.99 per month. 911sms asks for nothing beyond the download.

BTMon Plus ships an update every 3 months, 911sms every 11 months. The most recent releases landed on September 24, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | BTMon Plus | 911sms |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 11 months |
| Size | 8 MB | 21 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Anatoly Butko](https://appshunter.io/developer/300289656) | [LifeGuard Global Inc.](https://appshunter.io/developer/1060701210) |

## What reviewers say

### BTMon Plus

[App page](https://appshunter.io/ios/app/btmon-plus/id1132377866)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | per month |
| Premium | $39.99 | per year |


### 911sms

[App page](https://appshunter.io/ios/app/911sms/id1181355084)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BTMon Plus free?

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

### Is 911sms free?

911sms is free to download, with no in-app purchases.

### Do BTMon Plus or 911sms have ads?

Neither BTMon Plus nor 911sms shows ads.

### Which is updated more often, BTMon Plus or 911sms?

BTMon Plus ships an update every 3 months, and 911sms every 11 months. Most recently, BTMon Plus was updated on September 24, 2026 and 911sms on May 16, 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.*