Comparison

Hardness Unit Converter vs BPM GO

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

BPM GO

Features
Read full description

BPM GO is an easy-to-use tool for achieving accurate cue timings. Just tap along, and this app will begin to provide feedback on a track's beats per minute (BPM), enabling you to fine-tune your fade times, flyouts, and snap effects with confidence - even when operating blind on the console. BPM GO retains the last captured value while remaining ready for a new BPM. When you're ready to capture a new BPM, simply begin tapping, and the app will follow along.

Screenshots

Hardness Unit Converter3 screens
BPM GO3 screens

Verdict

The call

The clearest difference is price: BPM GO at Free against Hardness Unit Converter's $1.99. BPM GO also leads on update cadence (daily vs every 5 months). Hardness Unit Converter's advantage is iOS requirement (15.6 vs 17.6). On ads, in-app purchases and device support 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

BPM GO 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, BPM GO daily. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Hardness Unit Converter versus BPM GO: the parameters behind the verdict, then further details
ParameterHardness Unit ConverterBPM GO
Price$1.99Free — better
Rating4.0 (7 ratings) — better—
Positive reviews16.7% of reviews—
Number of ratings7 — better—
Update frequencyEvery 5 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.6
Further details — not scored
Size1 MB0 MB
Age rating4+4+
DeveloperKei SuefujiSamuel Blakemore

In-app purchases

None

Hardness Unit Converter

No in-app purchases

None

BPM GO

No in-app purchases

Questions

Is Hardness Unit Converter free?
Hardness Unit Converter costs $1.99, with no in-app purchases.
Is BPM GO free?
BPM GO is free to download, with no in-app purchases.
Do Hardness Unit Converter or BPM GO have ads?
Neither Hardness Unit Converter nor BPM GO shows ads.
Which is updated more often, Hardness Unit Converter or BPM GO?
Hardness Unit Converter ships an update every 5 months, and BPM GO daily. Most recently, Hardness Unit Converter was updated on November 2, 2026 and BPM GO on October 25, 2026.

Other comparisons