Precision Plex vs Surge Guard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Precision Plex
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.
- Control RV lights
- Monitor tank and battery levels
- Operate slides and awnings
- Manage generator functions
- Control water pump and heaters
- Adjust fan settings
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Precision Plex - Wireless allows control of your RV electronics using your phone or tablet. If your RV is equipped with the Precision Plex system and Wireless Module module, this app allows you to use your phone or tablet to monitor and control many functions including; Lights (On/Off and Dimmers) Levels (water, battery voltages) Slides and Awnings (Caution – operates moving rooms and awnings. Use with care and visibility of moving mechanisms.) Generator (start, stop, hour meter) Water Pump and Water Heaters Fans Requires RV manufactured with Precision Plex and Wireless Module by Precision Circuits Inc.
Surge Guard
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.
- Monitor RV power
- Real-time error alerts
- Power restoration estimates
- Error history tracking
- Troubleshooting guides
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Now you can easily access everything you need to know about your Surge Guard, wherever your adventures lead you. • Easily monitor the power to your RV • See errors in real-time • Know when your power will be restored • Understand and track error history • Easily access troubleshooting and how-to guides
Screenshots
Verdict
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.
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.
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.
| Parameter | Precision Plex | Surge Guard |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (7 ratings) — better | 1.5 (73 ratings) |
| Positive reviews | 21.3% of reviews — better | 11.1% of reviews |
| Number of ratings | 7 | 73 — better |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 41 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Precision Circuits, Inc. | Southwire Company |
Customer experience
Precision Plex
Surge Guard
User reviews
Precision Plex
From 7 App Store ratingsWhat we love
- 👍 Stays paired for long periods
- 👍 Useful for basic controls
- 👍 Handy for remote actions
- 👍 Good customer service reported
- 👍 Easy initial setup reported
Room to improve
- 🐛 Constantly loses pairing
- 🐛 Difficult to re-pair
- 🐛 No AC/HVAC control
- 🐛 Limited range (5ft)
- 🐛 App crashes/won't open
Surge Guard
From 73 App Store ratingsWhat we love
- 👍 Works when firmware updated
- 👍 Convenient status view inside RV
- 👍 Responsive support team (for some)
Room to improve
- 🐛 App crashes on pairing
- 🐛 Bluetooth connection issues
- 🐛 Incorrect/no power data displayed
- 🐛 RV shows as powered down
- 🐛 Firmware update required (inconvenient)
Bugs and requests
Precision Plex
Reported bugs
22 issues- Driver's lights randomly turn on
- Loses pairing frequently
- No AC control
- No control beyond 5 feet
- App broken after updates
Show 17 moreShow fewer
- App doesn't open
- App crashes immediately
- Black screen after update
- Model not found
- Encryption insufficient error
- Won't pair after initial setup
- App crashes when selecting temperature
- App crashes when selecting utilities
- App shuts down on water pump icon
- Bluetooth won't stay connected
- App aborts when loading iOS 13.5.1
- App crashes when trying to pair
- No signal from RV
- App shuts down on water pump icon
- App crashes when opening
- App refuses to pair after upgrade
- App doesn't pair, no remote control
Requested features
8 requests- Add AC/HVAC control
- Add temperature control
- Add vertical/portrait mode
- Add multi-user mode
- Add generator control
Show 3 moreShow fewer
- Add AGS programming
- Update UI and response time
- Support for newer models
Surge Guard
Reported bugs
16 issues- 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
Show 11 moreShow fewer
- App identifies device incorrectly (e.g., 34951 as 34931)
- No pairing code displayed
- App shows L2 data only
- App does not show L1 data
- App shows 'No BLE PEERS'
- App says RV power is off
- App connects but doesn't show correct information
- App shows zero values
- App crashes upon pairing attempt on latest iOS
- Firmware update required for connectivity
- App doesn't connect even when close to device
Requested features
5 requests- 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
In-app purchases
Precision Plex
No in-app purchases
Surge Guard
No in-app purchases
Questions
Is Precision Plex free?
Is Surge Guard free?
Which has better reviews, Precision Plex or Surge Guard?
Do Precision Plex or Surge Guard have ads?
Which is updated more often, Precision Plex or Surge Guard?
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