Comparison

Unit Converter Pro HD. vs Logarithmic Identities PRO

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

Head to head
About

Unit Converter Pro HD.

Easily convert between over 700 units of measure across 30 categories. This powerful tool acts as a universal assistant for all your conversion needs, saving you time and effort.

Highlights
  • 30 conversion categories
  • Over 700 units of measure
  • Backspace key for corrections
  • Intuitive and easy to use
  • Supports Dark Mode
Features
Read full description

The most powerful unit converter in the market. Helps you make easy conversion between more than 700+ various units of measure in 30 categories. Discover a universal assistant for all of your unit conversion needs. Features: √ 30 Categories √ 700+ Units of Measure √ Backspace key √ Extremely Easy-to-Use √ Supports Dark Mode Save Your Time. Quickly & Easily! Universer Unit Converter Pro HD URL scheme is "EWUnitConverterPro://"

About

Logarithmic Identities PRO

Features
Read full description

In many cases you can calculate the logarithm by transforming it and changing its shape. This app focuses on the basic operations: addition, subtraction, multiplication, division and changing the base of the logarithm. You need to enter all values and the app shows the usage of certain calculation rules of the logarithm step by step. There you see how the transformation of the logarithm may lead to an easier way of calculation but with the same results. An infographic contains all calculation rules of the logarithm. Decimals, fractions and negative values are supported. The solution is shown step by step. All calculations are stored in the history. The final solution can be shared. [ Contents ] - modes for logarithm (addition, subtraction, multiplication, division, change of base) - all logarithm values must be entered - results are calculated and shown in detail - the application of the transformations of the logarithm - full list of logarithm rules - history function to save the input - detailed solution - negative values, decimal numbers and fractions are supported - no ads! [ Usage ] - there are fields for entering values using a special keyboard - press the check mark button at the bottom right to start the calculation - if values are missing, the relevant field is highlighted in yellow - if the values are wrong, the affected field will be highlighted in red - the entries in the history can be deleted or sorted - if you select an entry in the history, it will be automatically loaded for the calculation - the whole history can be deleted by pressing a button - solutions can be shared - touching the question mark button displays information about the topic

Screenshots

Unit Converter Pro HD.3 screens
Logarithmic Identities PRO4 screens

Verdict

The call

The clearest difference is update cadence: Logarithmic Identities PRO at monthly against Unit Converter Pro HD.'s every 2 months. Unit Converter Pro HD.'s advantage is price ($0.99 vs $1.99) and iOS requirement (13.0 vs 15.0). 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

Unit Converter Pro HD. costs $0.99 and Logarithmic Identities PRO $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Unit Converter Pro HD. ships an update every 2 months, Logarithmic Identities PRO monthly. The most recent releases landed on October 21, 2026 and October 18, 2026 respectively.

Scorecard3 real differences · 7 level
Unit Converter Pro HD. versus Logarithmic Identities PRO: the parameters behind the verdict, then further details
ParameterUnit Converter Pro HD.Logarithmic Identities PRO
Price$0.99 — better$1.99
Rating4.6 (187 ratings) — better—
Positive reviews86.7% of reviews—
Number of ratings187 — better—
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size13 MB182 MB
Age rating4+4+
Developer良峰 侯Glindemann, Sennoun, Langer GbR

Bugs and requests

Unit Converter Pro HD.

Reported bugs

2 issues
  • Incorrect fuel consumption conversions
  • Conversion values disappearing after update

Requested features

4 requests
  • Add support for more units (e.g. knots, stone, electron volts)
  • Improve navigation and make it easier to find desired units
  • Add portrait mode support
  • Optimize interface for better usability

Logarithmic Identities PRO

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Unit Converter Pro HD.

No in-app purchases

None

Logarithmic Identities PRO

No in-app purchases

Questions

Is Unit Converter Pro HD. free?
Unit Converter Pro HD. costs $0.99, with no in-app purchases.
Is Logarithmic Identities PRO free?
Logarithmic Identities PRO costs $1.99, with no in-app purchases.
Do Unit Converter Pro HD. or Logarithmic Identities PRO have ads?
Neither Unit Converter Pro HD. nor Logarithmic Identities PRO shows ads.
Which is updated more often, Unit Converter Pro HD. or Logarithmic Identities PRO?
Unit Converter Pro HD. ships an update every 2 months, and Logarithmic Identities PRO monthly. Most recently, Unit Converter Pro HD. was updated on October 21, 2026 and Logarithmic Identities PRO on October 18, 2026.

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