# Precision Plex vs Surge Guard

The clearest difference is rating: Precision Plex at 3.3 against Surge Guard's 1.5. Precision Plex also leads on review sentiment (21% vs 11%). Surge Guard's advantage is update cadence (monthly vs every 4 months) and ratings volume (73 vs 7). 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.

Precision Plex holds the better App Store score, 3.3 against 1.5. That said, the two scores are not equally well evidenced: Surge Guard has 73 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 21% of Precision Plex's written reviews are positive against 11% of Surge Guard's.

Precision Plex ships an update every 4 months, Surge Guard monthly. The most recent releases landed on August 17, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | Precision Plex | Surge Guard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (7 ratings)](https://appshunter.io/ios/app/precision-plex-wireless/id1110056831/reviews)** | [1.5 (73 ratings)](https://appshunter.io/ios/app/surge-guard/id1622872744/reviews) |
| Number of ratings | 7 | **73** |
| Positive reviews | **21.3% of reviews** | 11.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | Free |
| Size | 41 MB | 29 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Precision Circuits, Inc.](https://appshunter.io/developer/1110056800) | [Southwire Company](https://appshunter.io/developer/440338423) |

## What reviewers say

### Precision Plex

[App page](https://appshunter.io/ios/app/precision-plex-wireless/id1110056831)

Control your RV's electronics remotely using your smartphone or tablet. Monitor and manage lights, levels, slides, awnings, generator, water systems, and fans. Requires a compatible RV with the Precision Plex and Wireless Module system.

**Highlights:** Control RV lights, Monitor tank and battery levels, Operate slides and awnings, Manage generator functions, Control water pump and heaters, Adjust fan settings

**In-app purchases:** none

**What reviewers like**

- 👍 Stays paired for long periods
- 👍 Useful for basic controls
- 👍 Handy for remote actions
- 👍 Good customer service reported
- 👍 Easy initial setup reported

**What reviewers complain about**

- 🐛 Constantly loses pairing
- 🐛 Difficult to re-pair
- 🐛 No AC/HVAC control
- 🐛 Limited range (5ft)
- 🐛 App crashes/won't open

**Reported bugs**

- Driver's lights randomly turn on
- Loses pairing frequently
- No AC control
- No control beyond 5 feet
- App broken after updates

**Requested features**

- Add AC/HVAC control
- Add temperature control
- Add vertical/portrait mode
- Add multi-user mode
- Add generator control


### Surge Guard

[App page](https://appshunter.io/ios/app/surge-guard/id1622872744)

Monitor your RV's power status remotely. Get real-time error alerts, estimated restoration times, and track your power history. Access troubleshooting guides for easy problem-solving on the go.

**Highlights:** Monitor RV power, Real-time error alerts, Power restoration estimates, Error history tracking, Troubleshooting guides

**In-app purchases:** none

**What reviewers like**

- 👍 Works when firmware updated
- 👍 Convenient status view inside RV
- 👍 Responsive support team (for some)

**What reviewers complain about**

- 🐛 App crashes on pairing
- 🐛 Bluetooth connection issues
- 🐛 Incorrect/no power data displayed
- 🐛 RV shows as powered down
- 🐛 Firmware update required (inconvenient)

**Reported bugs**

- App crashes when attempting to connect
- Bluetooth won't connect
- Device not connecting to app
- App shows RV as powered down
- App shows no power usage or data

**Requested features**

- Log energy use by day/date
- Note power interruptions without new session
- Display date and time for detected issues in history log
- App can update firmware
- Record and display history of monitored parameters


## Frequently asked questions

### Is Precision Plex free?

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

### Is Surge Guard free?

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

### Which has better reviews, Precision Plex or Surge Guard?

Precision Plex is rated higher. Precision Plex averages 3.3 out of 5 from 7 ratings, while Surge Guard averages 1.5 from 73 ratings.

### Do Precision Plex or Surge Guard have ads?

Neither Precision Plex nor Surge Guard shows ads.

### Which is updated more often, Precision Plex or Surge Guard?

Precision Plex ships an update every 4 months, and Surge Guard monthly. Most recently, Precision Plex was updated on August 17, 2026 and Surge Guard on August 20, 2026.

---

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