# Positron Alarme vs Backly

The clearest difference is in-app purchases: Positron Alarme at none against Backly's 1. Backly's advantage is update cadence (every 3 weeks vs every 40 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Backly sells 1 one-off in-app purchase. Positron Alarme asks for nothing beyond the download.

Positron Alarme ships an update every 40 months, Backly every 3 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Positron Alarme | Backly |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 48.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 29 MB | 1 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PST Eletronica SA](https://appshunter.io/developer/447793762) | [Jhomar Maravillas](https://appshunter.io/developer/6783703541) |

## What reviewers say

### Positron Alarme

[App page](https://appshunter.io/ios/app/positron-alarme/id1236177741)

Control and configure your car alarm directly from your smartphone. Lock, unlock, and manage various alarm settings for enhanced convenience and security. Requires a compatible Pósitron alarm system.

**Highlights:** Lock and unlock car alarm, Silent beep mode, Change alarm beep sound, Control auxiliary lights, Open trunk or power windows

**Features:** macOS Compatibility

**In-app purchases:** none


### Backly

[App page](https://appshunter.io/ios/app/backly-export-contacts/id6787079674)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is Positron Alarme free?

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

### Is Backly free?

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

### Do Positron Alarme or Backly have ads?

Neither Positron Alarme nor Backly shows ads.

### Which is updated more often, Positron Alarme or Backly?

Positron Alarme ships an update every 40 months, and Backly every 3 weeks. Most recently, Positron Alarme was updated on October 24, 2026 and Backly on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*