# OWON iMeter vs Secrets

The clearest difference is price: OWON iMeter at Free against Secrets's $9.99. OWON iMeter also leads on iOS requirement (13.0 vs 26.1). Secrets's advantage is update cadence (every 3 weeks vs every 3 months). On ads, in-app purchases and device support there is nothing between them.

OWON iMeter is free to download; Secrets costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OWON iMeter ships an update every 3 months, Secrets every 3 weeks. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | OWON iMeter | Secrets |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/owon-imeter/id1607020484/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 56 MB | 6 MB |
| Requires iOS | **13.0** | 26.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [Fujian Lilliput Optoelectronics Technology Co., Ltd.](https://appshunter.io/developer/1049176635) | [Michel Willems](https://appshunter.io/developer/1643523127) |

## What reviewers say

### OWON iMeter

[App page](https://appshunter.io/ios/app/owon-imeter/id1607020484)

This app enables remote monitoring, analysis, and data logging for smart Bluetooth multimeters. It allows for continuous real-time and offline recording, multi-device control, and abnormal data warnings, enhancing operator safety and simplifying data comparison.

**Highlights:** Remote real-time monitoring, Continuous offline recording, Multi-device control, Wireless safety monitoring, Graphic and table data presentation, Abnormal data warning system, Data backup and sharing

**Features:** macOS Compatibility

**In-app purchases:** none


### Secrets

[App page](https://appshunter.io/ios/app/secrets-data-vault/id1660778749)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OWON iMeter free?

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

### Is Secrets free?

Secrets costs $9.99, with no in-app purchases.

### Do OWON iMeter or Secrets have ads?

Neither OWON iMeter nor Secrets shows ads.

### Which is updated more often, OWON iMeter or Secrets?

OWON iMeter ships an update every 3 months, and Secrets every 3 weeks. Most recently, OWON iMeter was updated on October 6, 2026 and Secrets on September 30, 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.*