Comparison

Spectra Premium vs Holtek MCU Selector

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

Head to head
About

Spectra Premium

Easily find compatible vehicle parts by searching with plate number, VIN, or vehicle details. Utilize camera-based scanning for plates, VINs, or product codes, and even find competitor part equivalents. Access product videos, promotional info, and direct contact with experts.

Highlights
  • Search by plate number, VIN, or vehicle details
  • Camera-based VIN and plate number scanning
  • Search by product code with camera or manual entry
  • Find competitor part equivalents
  • View product videos and promotional information
  • Direct contact with experts
  • Parts history and favorites
Features
Read full description

The fastest and most effective way to view the catalog of parts offered by Spectra Premium. Thanks to the mobile application Spectra, you can easily find parts made specifically for a vehicle: - Search by plate number - Search by VIN - Search by vehicle (Year/Make/Model) With the advanced functionalities of the application, you only need to point the camera of your phone in front of the plate number or the VIN of a vehicle and the application will automatically show the compatible parts. You can also search a part by product code with your camera or by entering it manually. The same can be done with parts from a competitor to instantly find the equivalent offered by Spectra Premium. The parts history and favorites will facilitate the use of the application. Spectra Mobile allows you to view all the videos released by Spectra Premium. The section on promotional information of products allows you to find out more about Spectra Premium’s catalog. In addition, the application makes it easy to directly contact an expert at Spectra Premium by phone or e-mail for all your questions. Finally, learn more about the company through informative sections: - Company overview - Certifications - Chronology of the company - Address and contacts of the company’s various institutions

About

Holtek MCU Selector

Features
Read full description

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

Spectra Premium4 screens
Holtek MCU Selector4 screens

Verdict

The call

The clearest difference is iOS requirement: Spectra Premium at 9.0 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

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
Spectra Premium versus Holtek MCU Selector: the parameters behind the verdict, then further details
ParameterSpectra PremiumHoltek MCU Selector
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size196 MB19 MB
Age rating4+4+
Developer9322-5613 Quebec IncHoltek Semiconductor(China) Inc

In-app purchases

None

Spectra Premium

No in-app purchases

None

Holtek MCU Selector

No in-app purchases

Questions

Is Spectra Premium free?
Spectra Premium is free to download, with no in-app purchases.
Is Holtek MCU Selector free?
Holtek MCU Selector is free to download, with no in-app purchases.
Do Spectra Premium or Holtek MCU Selector have ads?
Neither Spectra Premium nor Holtek MCU Selector shows ads.
Which is updated more often, Spectra Premium or Holtek MCU Selector?
Spectra Premium ships an update every 2 months, and Holtek MCU Selector every 2 months. Most recently, Spectra Premium was updated on October 24, 2026 and Holtek MCU Selector on October 25, 2026.

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