# Surge Guard vs Lippert Diagnostics

The clearest difference is update cadence: Surge Guard at monthly against Lippert Diagnostics's every 3 months. Surge Guard also leads on iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Surge Guard ships an update monthly, Lippert Diagnostics every 3 months. The most recent releases landed on August 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Surge Guard | Lippert Diagnostics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.5 (73 ratings)](https://appshunter.io/ios/app/surge-guard/id1622872744/reviews)** | — |
| Number of ratings | **73** | — |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | — |
| Size | 29 MB | 328 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Southwire Company](https://appshunter.io/developer/440338423) | [Lippert Components, Inc.](https://appshunter.io/developer/867023615) |

## What reviewers say

### 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


### Lippert Diagnostics

[App page](https://appshunter.io/ios/app/lippert-diagnostics/id6446602025)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Surge Guard free?

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

### Is Lippert Diagnostics free?

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

### Do Surge Guard or Lippert Diagnostics have ads?

Neither Surge Guard nor Lippert Diagnostics shows ads.

### Which is updated more often, Surge Guard or Lippert Diagnostics?

Surge Guard ships an update monthly, and Lippert Diagnostics every 3 months. Most recently, Surge Guard was updated on August 20, 2026 and Lippert Diagnostics on September 17, 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.*