# DEFA vs PRIME Wire

The clearest difference is review sentiment: DEFA at 100% against PRIME Wire's 39%. DEFA also leads on rating (5.0 vs 4.7) and iOS requirement (12.0 vs 14.0). PRIME Wire's advantage is ratings volume (1K vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

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

DEFA holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: PRIME Wire has 1K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of DEFA's written reviews are positive against 39% of PRIME Wire's.

DEFA ships an update every 5 months, PRIME Wire every 6 months. The most recent releases landed on June 11, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | DEFA | PRIME Wire |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/defa/id542334548/reviews)** | [4.7 (1K ratings)](https://appshunter.io/ios/app/prime-wire/id1361292944/reviews) |
| Number of ratings | 1 | **1K** |
| Positive reviews | **100.0% of reviews** | 39.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 6 months |
| Monetization | Free | Free |
| Size | 53 MB | 218 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [DEFA AS](https://appshunter.io/developer/452232242) | [Prime Wire and Cable, Inc.](https://appshunter.io/developer/1361292943) |

## What reviewers say

### DEFA

[App page](https://appshunter.io/ios/app/defa/id542334548)

Control DEFA vehicle and home heating, security, and alarm systems remotely. Monitor temperatures, battery voltage, and receive alerts for theft or speed limit breaches. Manage multiple heating zones and integrate with car alarms.

**Highlights:** Remote engine and interior heater control, Monitor battery voltage and temperature, GPS tracking and theft alerts, Burglar alarm notifications, Control up to 6 heating zones, Weather forecast display

**In-app purchases:** none


### PRIME Wire

[App page](https://appshunter.io/ios/app/prime-wire/id1361292944)

Control connected devices wirelessly from anywhere. Schedule custom timers for lighting and appliances, and manage multiple devices simultaneously. Receive alerts when devices activate, offering convenient home automation.

**Highlights:** Wireless device control, Custom timer schedules, Manual ON/OFF control, Smart Scenes for multiple devices, Add and configure multiple devices, Push notifications

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 Works as advertised
- 🚀 Simple setup
- 🚀 Reliable functionality
- 👍 Consistent performance

**What reviewers complain about**

- 🐛 Connectivity issues
- 🐛 Unreliable in cold weather
- 🐛 Buggy app updates
- 🔒 Security/privacy concerns
- 🐛 Difficulty pairing devices

**Reported bugs**

- App crashes after iOS updates
- Devices randomly going offline
- Unable to log in or change password
- Schedules/timers not working as expected
- Inability to add or control individual plugs

**Requested features**

- Siri/HomeKit integration
- Auto-shutoff timer option
- Improved app UI/UX
- Better cold weather performance
- More reliable connectivity


## Frequently asked questions

### Is DEFA free?

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

### Is PRIME Wire free?

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

### Which has better reviews, DEFA or PRIME Wire?

DEFA is rated higher. DEFA averages 5.0 out of 5 from 1 ratings, while PRIME Wire averages 4.7 from 1K ratings.

### Do DEFA or PRIME Wire have ads?

Neither DEFA nor PRIME Wire shows ads.

### Which is updated more often, DEFA or PRIME Wire?

DEFA ships an update every 5 months, and PRIME Wire every 6 months. Most recently, DEFA was updated on June 11, 2026 and PRIME Wire on September 23, 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.*