Comparison

Power and Logarithm PRO vs Extra Math

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

Head to head
About

Power and Logarithm PRO

Explore exponential and logarithmic functions with step-by-step solutions and interactive graphing. Adjust parameters to visualize their impact on curves and understand inverse relationships. Supports decimals, fractions, and negative values, with a history of calculations.

Highlights
  • Step-by-step solutions
  • Interactive graphing
  • Parameter adjustment
  • Inverse function visualization
  • History of calculations
  • Decimal, fraction, and negative value support
Features
Read full description

Exponential function and logarithm are inverse to each other. This app shows how to create the inverses. It also provides a short curve analyse with significant properties and a graph. Everything is shown step by step. All calculation processes are easy to follow. It is also perfect to fiddle with the logarithmic and the exponential function by changing several parameters. Changing the parameters affect the result like shifting or stretching the graph. An infographic shows the effect of each parameter. 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 a logarithmic and an exponential function - all inputs have default values, but can be changed - results are calculated and shown in detail - 5 parameters to change the function - 1 parameter to calculate a certain value - infographic to show the effect of the parameters - 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

About

Extra Math

Features
Read full description

Extra Math: Create unlimited, customized math worksheets from a single photo. • Snap a picture of any math worksheet with your iPhone or iPad • AI automatically identifies and extracts problems • Customize questions with easy editing tools • Generate similar problems with AI assistance • Print worksheets directly from your device • Share worksheets easily with others Perfect for teachers, parents, and students who need additional math practice. Extra Math saves time and effort in creating tailored worksheets, ensuring students get the practice they need to excel in mathematics. Ideal for arithmetic problems for students in grades second grade, third grade, fourth grade, and fifth grade (2-5), with more advanced math support coming soon. Simplify your math practice routine with Extra Math!

Screenshots

Power and Logarithm PRO4 screens
Extra Math4 screens

Verdict

The call

The clearest difference is update cadence: Extra Math at every 3 days against Power and Logarithm PRO's monthly. Extra Math also leads on price ($0.99 vs $1.99). Power and Logarithm PRO's advantage is iOS requirement (15.0 vs 17.5). 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

Power and Logarithm PRO costs $1.99 and Extra Math $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Power and Logarithm PRO ships an update monthly, Extra Math every 3 days. The most recent releases landed on September 14, 2026 and January 1, 2026 respectively.

Scorecard3 real differences · 7 level
Power and Logarithm PRO versus Extra Math: the parameters behind the verdict, then further details
ParameterPower and Logarithm PROExtra Math
Price$1.99$0.99 — better
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyMonthlyEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.5
Further details — not scored
Size183 MB13 MB
Age rating4+4+
DeveloperGlindemann, Sennoun, Langer GbRjsdf, LLC

In-app purchases

None

Power and Logarithm PRO

No in-app purchases

None

Extra Math

No in-app purchases

Questions

Is Power and Logarithm PRO free?
Power and Logarithm PRO costs $1.99, with no in-app purchases.
Is Extra Math free?
Extra Math costs $0.99, with no in-app purchases.
Do Power and Logarithm PRO or Extra Math have ads?
Neither Power and Logarithm PRO nor Extra Math shows ads.
Which is updated more often, Power and Logarithm PRO or Extra Math?
Power and Logarithm PRO ships an update monthly, and Extra Math every 3 days. Most recently, Power and Logarithm PRO was updated on September 14, 2026 and Extra Math on January 1, 2026.

Other comparisons