# My Visonic SMS vs PowerMaster

The clearest difference is price: PowerMaster at Free against My Visonic SMS's $0.99. My Visonic SMS's advantage is iOS requirement (9.2 vs 12.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

PowerMaster is free to download; My Visonic SMS costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | My Visonic SMS | PowerMaster |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Paid | — |
| Size | 2 MB | 52 MB |
| Requires iOS | **9.2** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Neelu Jalori](https://appshunter.io/developer/1085443796) | [Cyber Energy Co., Ltd.](https://appshunter.io/developer/1463752550) |

## What reviewers say

### My Visonic SMS

[App page](https://appshunter.io/ios/app/my-visonic-sms/id1246113182)

Remotely manage your Tyco/Johnsons alarm systems via SMS. Arm, disarm, check status, and receive instant notifications for alarms and alerts from anywhere in the world. Supports multiple panels and partitions with password protection.

**Highlights:** Remote alarm system control via SMS, Arm/disarm system, Check system status, Receive in-app notifications, Control individual partitions, Password protected access

**Features:** Vision Pro support

**In-app purchases:** none


### PowerMaster

[App page](https://appshunter.io/ios/app/powermaster/id1463752551)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is My Visonic SMS free?

My Visonic SMS costs $0.99, with no in-app purchases.

### Is PowerMaster free?

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

### Do My Visonic SMS or PowerMaster have ads?

Neither My Visonic SMS nor PowerMaster shows ads.

### Which is updated more often, My Visonic SMS or PowerMaster?

My Visonic SMS ships an update every 4 months, and PowerMaster every 4 months. Most recently, My Visonic SMS was updated on October 8, 2026 and PowerMaster on October 11, 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.*