M vs HarvesTag App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
M
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M-Scope is a software that supports corresponding intelligent microscope. It is connected to microscope devices through WiFi, providing functions such as observation, photography, video recording, and recording observation notes. It also supports downloading materials to local management, providing operators with convenient and efficient observation tools.
HarvesTag App
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HarvesTag is the world’s first phone case with a built-in, battery-free UHF RFID reader, powered entirely by NFC energy harvesting. This innovative solution brings the power of UHF RFID technology directly into the hands of professionals, entrepreneurs, and everyday users, enabling them to leverage the advantages of RFID to work faster, smarter, and more securely. Designed to make RFID technology accessible to everyone, including small and medium-sized businesses, HarvesTag contributes to the cohesion of UHF RFID technology as a whole, supporting its development from a large-vision perspective and, through its affordability, accelerating the adoption of UHF RFID in everyday life. With HarvesTag, the benefits of RFID—such as instant identification, asset tracking, and data verification—are now available directly through your smartphone, without the need for external readers or batteries.
Screenshots
Verdict
The clearest difference is device support: M at 3 against HarvesTag App's 1. M also leads on iOS requirement (12.0 vs 26.1). On price, update cadence, 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.
M ships an update every 3 months, HarvesTag App every 4 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.
| Parameter | M | HarvesTag App |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 26.1 |
| Further details — not scored | ||
| Size | 37 MB | 2 MB |
| Age rating | 4+ | 12+ |
| Developer | MATATALAB CO.,LTD. | Karol Molnar |
In-app purchases
M
No in-app purchases
HarvesTag App
No in-app purchases









