# ORP Basic for Jenco ORP650B vs Smonet Security

The clearest difference is update cadence: Smonet Security at monthly 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, 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.

ORP Basic for Jenco ORP650B ships an update every 15 months, Smonet Security monthly. The most recent releases landed on September 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ORP Basic for Jenco ORP650B | Smonet Security |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/orp-basic-for-jenco-orp650b/id1315381470/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Monthly** |
| Monetization | Free | — |
| Size | 19 MB | 123 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) | [东莞卡卡电子科技有限公司](https://appshunter.io/developer/1140439649) |

## 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


### Smonet Security

[App page](https://appshunter.io/ios/app/smonet-security/id6749360978)

**Features:** macOS Compatibility

**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 Smonet Security free?

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

### Do ORP Basic for Jenco ORP650B or Smonet Security have ads?

Neither ORP Basic for Jenco ORP650B nor Smonet Security shows ads.

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

ORP Basic for Jenco ORP650B ships an update every 15 months, and Smonet Security monthly. Most recently, ORP Basic for Jenco ORP650B was updated on September 28, 2026 and Smonet Security on October 13, 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.*