Comparison

M vs HarvesTag App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

M

Features
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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.

About

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

M4 screens
HarvesTag App3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 4 level
M versus HarvesTag App: the parameters behind the verdict, then further details
ParameterMHarvesTag App
PriceFreeFree
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better26.1
Further details — not scored
Size37 MB2 MB
Age rating4+12+
DeveloperMATATALAB CO.,LTD.Karol Molnar

In-app purchases

None

M

No in-app purchases

None

HarvesTag App

No in-app purchases

Questions

Is M free?
M is free to download, with no in-app purchases.
Is HarvesTag App free?
HarvesTag App is free to download, with no in-app purchases.
Do M or HarvesTag App have ads?
Neither M nor HarvesTag App shows ads.
Which is updated more often, M or HarvesTag App?
M ships an update every 3 months, and HarvesTag App every 4 months. Most recently, M was updated on October 30, 2026 and HarvesTag App on November 5, 2026.

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