MApp™ vs OWON iMeter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MApp™
This utility app connects to specific Bluetooth-enabled multi-meters, allowing users to safely record, graph, and document electrical measurements from a distance. It enables the creation of customized reports with notes, pictures, and GPS locations, which can then be emailed.
- Bluetooth connectivity with multi-meters
- Remote measurement recording
- Data graphing and analysis
- Customizable reports with notes and pictures
- GPS location tagging
- Email report generation
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Southwire’s new MApp™ mobile app works with our new Bluetooth® enabled 15190T MaintenancePRO™ multi-meter and 23090T MaintenancePRO™ clamp meter. This system is like having an electrician’s helper with you at all times. Not only does the app allow you to safely stand back from hazardous situations like arc flash, it also provides you with one of the most powerful documentation tools you will ever need. The app lets you record and graph measured values, set high or low alarms, attach notes, pictures, and even a GPS location to your measurements. You can choose to use any combination of these features to customize a complete report about your job and email it back to the office with the press of a button.
OWON iMeter
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.
- 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
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The first smart Bluetooth multimeter When connect the mobile device with OWON smart Bluetooth multimeter, it can realize remote monitor, analysis, warning and sharing. Furthermore, it can be used as data logger, process tester, thermometer. Function: *Continuous real-time recording read the real-time measurement data of multimeter by low power consumption Bluetooth protocol. After recoding, drawing, analyzing the data, specific data could be saved and loaded for checking convenience. *Continuous offline recording you can use iOS device APP to send a command, the multimeter will start recording the measurements. After receiving the command, the connection will be disconnected automatically. The multimeter will record the measuring data in its own memory. After completion of the record, use iOS APP to reconnect the multimeter, and then you can read the measuring data into the iOS device as a CSV file. You can use this function to record for a long time without staff on duty, while reducing Bluetooth consumption to conserve the battery power of the multimeter. *Multi-point control device app could be connected with multiple devices to monitor them. In "DeviceList" page, the measurements of each device could be observed at the same time. It's convenient for users to view the change of multiple test points at unifying perspective. *Remote wireless communication, guarantee the safety of operator Remote continuously record and monitor could capture the current, voltage, resistance, capacitance, temperature of every test points in high voltage, high temperature, narrow environment and other extreme situation. Data can be captured from remote place, which guarantee the safety of user. *Graphic and table presentation, simplify the comparison and analysis It's abstract when there is only data. Application can draw the data trending of multiple devices in real-time. Could be zoomed out, zoomed in and moved by gestures. Users can match the data to specific curve drawings and analyze the path trending of the test points. *Abnormal data warning Set the warning condition in advance. When data are captured continuously, warning system would remind the user when qualified data show up. *Data back up and share Interpret: Application supports data save and export to be backed up. Otherwise, it could be share in multiple ways so that co-workers could help you to analyze the issue and solve the problem.
Screenshots
Verdict
The clearest difference is rating: OWON iMeter at 4.0 against MApp™'s 3.5. OWON iMeter also leads on update cadence (every 3 months vs every 56 months) and iOS requirement (13.0 vs 15.6). MApp™'s advantage is ratings volume (6 vs 2). On price, review sentiment, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
OWON iMeter holds the better App Store score, 4.0 against 3.5. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews split almost evenly too, at 50% and 50% positive.
MApp™ ships an update every 56 months, OWON iMeter every 3 months. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.
| Parameter | MApp™ | OWON iMeter |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (6 ratings) | 4.0 (2 ratings) — better |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| Number of ratings | 6 — better | 2 |
| Update frequency | Every 56 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Southwire Company | Fujian Lilliput Optoelectronics Technology Co., Ltd. |
Customer experience
MApp™
OWON iMeter
In-app purchases
MApp™
No in-app purchases
OWON iMeter
No in-app purchases








