# PurpleEfence vs Syfra

The clearest difference is review sentiment: Syfra at 100% against PurpleEfence's 6%. Syfra also leads on rating (5.0 vs 1.5) and update cadence (every 2 weeks vs every 2 months). PurpleEfence's advantage is ratings volume (43 vs 1) and iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Syfra holds the better App Store score, 5.0 against 1.5. That said, the two scores are not equally well evidenced: PurpleEfence has 43 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 6% of PurpleEfence's written reviews are positive against 100% of Syfra's.

PurpleEfence ships an update every 2 months, Syfra every 2 weeks. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PurpleEfence | Syfra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (43 ratings)](https://appshunter.io/ios/app/purpleefence/id6737228334/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/syfra/id6754493673/reviews)** |
| Number of ratings | **43** | 1 |
| Positive reviews | 6.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 103 MB | 24 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [HUIZHOU REDBOX ELECTRONICS CO,.LTD](https://appshunter.io/developer/1693036399) | [Sergiu Bulat](https://appshunter.io/developer/1831347516) |

## What reviewers say

### PurpleEfence

[App page](https://appshunter.io/ios/app/purpleefence/id6737228334)

This smart application helps pet owners manage and monitor their pets' safety. It connects to electronic fence devices via Bluetooth, allowing for virtual fence setup and real-time health data synchronization. Track your pet's location and ensure they stay within designated safe zones.

**Highlights:** Pet safety management, Bluetooth connectivity to electronic fences, Multiple device support, GPS positioning, Virtual fence setup, Real-time health data synchronization

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

**In-app purchases:** none


### Syfra

[App page](https://appshunter.io/ios/app/syfra/id6754493673)

This app provides a secure, offline method for backing up sensitive phrases. It uses military-grade encryption and an open-source design to protect against physical and digital threats, ensuring your keys are under your control.

**Highlights:** Offline storage, Seed phrase backup, AES-256 encryption, Open-source design, Tamper-proof, Water damage resistant

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PurpleEfence free?

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

### Is Syfra free?

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

### Which has better reviews, PurpleEfence or Syfra?

Syfra is rated higher. PurpleEfence averages 1.5 out of 5 from 43 ratings, while Syfra averages 5.0 from 1 ratings.

### Do PurpleEfence or Syfra have ads?

Neither PurpleEfence nor Syfra shows ads.

### Which is updated more often, PurpleEfence or Syfra?

PurpleEfence ships an update every 2 months, and Syfra every 2 weeks. Most recently, PurpleEfence was updated on October 24, 2026 and Syfra on October 14, 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.*