# Precision Plex vs Lippert Diagnostics

Precision Plex and Lippert Diagnostics are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Precision Plex ships an update every 4 months, Lippert Diagnostics every 3 months. The most recent releases landed on August 17, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Precision Plex | Lippert Diagnostics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (7 ratings)](https://appshunter.io/ios/app/precision-plex-wireless/id1110056831/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 21.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 41 MB | 328 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Precision Circuits, Inc.](https://appshunter.io/developer/1110056800) | [Lippert Components, Inc.](https://appshunter.io/developer/867023615) |

## 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


### Lippert Diagnostics

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

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Precision Plex free?

Precision Plex 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 Precision Plex or Lippert Diagnostics have ads?

Neither Precision Plex nor Lippert Diagnostics shows ads.

### Which is updated more often, Precision Plex or Lippert Diagnostics?

Precision Plex ships an update every 4 months, and Lippert Diagnostics every 3 months. Most recently, Precision Plex was updated on August 17, 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.*