# ORP Basic for Jenco ORP650B vs Wowzz

The clearest difference is update cadence: Wowzz at every 3 months against ORP Basic for Jenco ORP650B's every 15 months. ORP Basic for Jenco ORP650B's advantage is iOS requirement (9.0 vs 13.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for ORP Basic for Jenco ORP650B against 5.0 for Wowzz. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

ORP Basic for Jenco ORP650B ships an update every 15 months, Wowzz every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ORP Basic for Jenco ORP650B | Wowzz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/orp-basic-for-jenco-orp650b/id1315381470/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/wowzz-partner-and-associates/id1503583045/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 19 MB | 35 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jenco Instruments, Inc.](https://appshunter.io/developer/1275832649) | [Wash on Wheelzz](https://appshunter.io/developer/1503580564) |

## What reviewers say

### ORP Basic for Jenco ORP650B

[App page](https://appshunter.io/ios/app/orp-basic-for-jenco-orp650b/id1315381470)

This app pairs with a Jenco ORP Bluetooth tester to provide accurate ORP and temperature readings. It offers guided calibration, a clear display of measurements, and useful features like calibration reminders and battery life indicators.

**Highlights:** Accurate ORP and temperature measurement, Bluetooth pairing with Jenco tester, Guided calibration procedures, Reading quality indicator, Displays tester battery life, Pause readings (Hold)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wowzz

[App page](https://appshunter.io/ios/app/wowzz-partner-and-associates/id1503583045)

This app connects car wash and auto detailing specialists with local customers requesting services. When a user requests a wash, nearby professionals receive a notification with all necessary service details.

**Highlights:** Receive car wash requests, Get auto detailing job notifications, View complete service information, Participating service area notifications, Mobile notifications for specialists

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ORP Basic for Jenco ORP650B free?

ORP Basic for Jenco ORP650B is free to download, with no in-app purchases.

### Is Wowzz free?

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

### Which has better reviews, ORP Basic for Jenco ORP650B or Wowzz?

ORP Basic for Jenco ORP650B and Wowzz are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do ORP Basic for Jenco ORP650B or Wowzz have ads?

Neither ORP Basic for Jenco ORP650B nor Wowzz shows ads.

### Which is updated more often, ORP Basic for Jenco ORP650B or Wowzz?

ORP Basic for Jenco ORP650B ships an update every 15 months, and Wowzz every 3 months. Most recently, ORP Basic for Jenco ORP650B was updated on November 2, 2026 and Wowzz on November 3, 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.*