M2M Data Controller vs Holtek MCU Selector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
M2M Data Controller
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With M2M Data Controller app you can stay connected and manage your sims at your finger tips.
Holtek MCU Selector
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The Holtek MCU Selector App is provided for mobile device users. By setting up parameter search conditions, customers can select their most suitable MCU by choosing from the many MCU product categories in real time and then checking the latest product and specification information. This App therefore provides a superior tool for product selection. The Holtek MCU Selector App has an intuitive and convenient operational process. Here search conditions are setup and then a search implemented according to more than 80 parameters to find the right device selection from among the full range of 8-bit and 32-bit MCUs. If the part number of a Holtek MCU is already known and it is required to find the specifications and characteristics of the device, then it is only necessary to enter the part number in the search interface to obtain complete detailed information. Features - Intuitive and convenient MCU selection tool - Supports both Holtek 8-bit and 32-bit MCU series - Parameter search function based on multiple MCU application categories and technical specifications - Accurate search facility and viewing of information based on specific device - Selection results can be sorted, compared, saved and recalled - Management function for customer’s preferred MCU devices - Can use social messaging software to share obtained devices - Instant access to MCU key specifications and related technical documents - Integrated alongside the Holtek group website
Screenshots
Verdict
The clearest difference is iOS requirement: M2M Data Controller at 11.0 against Holtek MCU Selector's 13.0. 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.
M2M Data Controller ships an update every 3 months, Holtek MCU Selector every 2 months. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.
| Parameter | M2M Data Controller | Holtek MCU Selector |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 71 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | M2M DATA GROUP LIMITED | Holtek Semiconductor(China) Inc |
In-app purchases
M2M Data Controller
No in-app purchases
Holtek MCU Selector
No in-app purchases
Questions
Is M2M Data Controller free?
Is Holtek MCU Selector free?
Do M2M Data Controller or Holtek MCU Selector have ads?
Which is updated more often, M2M Data Controller or Holtek MCU Selector?
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