PurpleEfence vs Syfra
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PurpleEfence
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.
- Pet safety management
- Bluetooth connectivity to electronic fences
- Multiple device support
- GPS positioning
- Virtual fence setup
- Real-time health data synchronization
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The PurpleEfence APP is a smart application designed specifically for pet lovers, aiming to provide comprehensive safety management and monitoring features to ensure your pets stay within a safe range. It connects wirelessly via Bluetooth to pet electronic fence devices and supports the management of multiple devices. With GPS positioning technology, you can easily set up virtual fences while synchronizing your pet's health data in real time.
Syfra
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.
- Offline storage
- Seed phrase backup
- AES-256 encryption
- Open-source design
- Tamper-proof
- Water damage resistant
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Syfra offers a highly secure, offline solution for storing your seed phrases, providing robust protection against water damage, tampering, and digital threats. Featuring an open-source design and AES-256 military-grade encryption, Syfra ensures that your private keys remain fully secure and under your exclusive control.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | PurpleEfence | Syfra |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (43 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 6.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 43 — better | 1 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 103 MB | 24 MB |
| Age rating | 17+ | 4+ |
| Developer | HUIZHOU REDBOX ELECTRONICS CO,.LTD | Sergiu Bulat |
Customer experience
PurpleEfence
Syfra
In-app purchases
PurpleEfence
No in-app purchases
Syfra
No in-app purchases
