Comparison

Hardness Unit Converter vs m

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

Head to head
About

Hardness Unit Converter

Easily convert hardness values between 12 different units, including Vickers, Brinell, Rockwell, and Shore. Input your value and select the desired unit for instant conversion, referencing ASTM E 140 standards and polynomial approximations for accuracy.

Highlights
  • Converts 12 hardness units
  • Vickers, Brinell, Rockwell, Shore support
  • Tensile strength conversion
  • ASTM E 140 reference
  • Polynomial approximation for data
  • Simple input and unit selection
Features
Read full description

The Hardness Unit Converter application converts the hardness into 12 types of units. The units to be converted by this application are Vickers hardness HV, Brinell hardness HBS, HBW, Rockwell hardness HRA, HRB, HRC, HRD, Rockwell superficial hardness HR 15 N, HR 30 N, HR 45 N, Shore hardness HS, and tensile strength MPa. Simply input the hardness value and select the unit of hardness with the unit selection button, it will be converted into 12 types of units. This application refers to the approximate conversion table of ASTM E 140 Table 1 and JIS, and data not in the table is calculated by polynomial approximation. Values ​​in the range not normally used are indicated by ().

About

m

Features
Read full description

Connect Your Tools, Transform Your Workshop With Bridge interface: Now Your Tools Are Talking Bridge revolutionizes the way your machine workshop or smart factory operates by seamlessly connecting the physical and digital worlds. This cutting-edge app enhances tool identification, optimizes production, and fosters improved communication among workers. Key Features: - Item Tool Identification: Scan Data Matrix codes on cutting tool products or barcodes on any cutting tools to get immediate product information on your mobile device. - Personalized Product Library: Create and manage your own product library for easy access and organization. - Usage Insights: Gain valuable insights into tool usage to optimize your operations. - Team Collaboration: Share and collaborate on product information across your team, ensuring everyone is on the same page. - Event Notifications: Stay informed with notifications for important events and updates. - Exclusive Digital Journeys: Access new user journeys and experiences. Bridge interfaces leverage advanced optical marking technologies and connects to a global database of tools from all suppliers, providing quick and easy access to comprehensive product information and cutting data. Elevate your workshop's efficiency and productivity with Bridge. Download the Bridge app today and let your tools start talking.

Screenshots

Hardness Unit Converter3 screens
m4 screens

Verdict

The call

The clearest difference is price: m at Free against Hardness Unit Converter's $1.99. m also leads on update cadence (every 3 weeks vs every 5 months). Hardness Unit Converter's advantage is device support (3 vs 1). On ads, in-app purchases and iOS requirement 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

m is free to download; Hardness Unit Converter costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Hardness Unit Converter ships an update every 5 months, m every 3 weeks. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 7 level
Hardness Unit Converter versus m: the parameters behind the verdict, then further details
ParameterHardness Unit Converterm
Price$1.99Free — better
Rating4.0 (7 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better16.4
Further details — not scored
Size1 MB53 MB
Age rating4+17+
DeveloperKei SuefujiSeco Tools (UK) Limited

In-app purchases

None

Hardness Unit Converter

No in-app purchases

None

m

No in-app purchases

Questions

Is Hardness Unit Converter free?
Hardness Unit Converter costs $1.99, with no in-app purchases.
Is m free?
m is free to download, with no in-app purchases.
Do Hardness Unit Converter or m have ads?
Neither Hardness Unit Converter nor m shows ads.
Which is updated more often, Hardness Unit Converter or m?
Hardness Unit Converter ships an update every 5 months, and m every 3 weeks. Most recently, Hardness Unit Converter was updated on September 29, 2026 and m on October 6, 2026.

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