# Sentian vs SmartAlarm+3

Sentian and SmartAlarm+3 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Sentian ships an update every 2 months, SmartAlarm+3 every 4 months. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Sentian | SmartAlarm+3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/sentian/id1505760433/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 51 MB | 307 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sentian Pty Ltd](https://appshunter.io/developer/975573904) | [Pyronix Ltd.](https://appshunter.io/developer/906273568) |

## What reviewers say

### Sentian

[App page](https://appshunter.io/ios/app/sentian/id1505760433)

This app provides advanced smart home security, offering real-time perception through sight, sound, and motion detection. It allows users to manage intruder alarms, control home automation, and view live or archived camera footage remotely.

**Highlights:** Real-time sight, sound, and motion detection, Intruder alarm system management, Home automation device control, Live and archived camera footage viewing, Push notifications for events

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

**In-app purchases:** none


### SmartAlarm+3

[App page](https://appshunter.io/ios/app/smartalarm-plus-3/id1532876579)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Sentian free?

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

### Is SmartAlarm+3 free?

SmartAlarm+3 is free to download, with no in-app purchases.

### Do Sentian or SmartAlarm+3 have ads?

Neither Sentian nor SmartAlarm+3 shows ads.

### Which is updated more often, Sentian or SmartAlarm+3?

Sentian ships an update every 2 months, and SmartAlarm+3 every 4 months. Most recently, Sentian was updated on October 16, 2026 and SmartAlarm+3 on October 8, 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.*