Comparison

Power and Logarithm PRO vs Multilingue

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

Multilingue

This app offers an interactive way to learn vocabulary across 30 thematic categories, from basic words to specialized conversations. It includes pronunciation guides and personalized progress tracking to help users speak confidently in new languages.

Highlights
  • 30 thematic learning categories
  • Interactive exercises and quizzes
  • Authentic pronunciation guides
  • Personalized progress tracking
  • Basic vocabulary acquisition
Features
Read full description

Embark on a comprehensive linguistic journey with Multilingue! This innovative app provides an interactive immersion into 30 categories, ranging from basic vocabulary to specialized conversations. Whether mastering numbers, greetings, cuisine, or even politics, Multilingue accompanies you at every step. KEY FEATURES: Basic Vocabulary: Learn essential words for effective communication. 30 Thematic Categories: Explore areas such as family, work, weather, and more. Interactive Learning: Practical exercises and quizzes to reinforce skills. Authentic Pronunciation: Listen to native speakers for perfecting your accent. Personalized Progress: Track your development and focus on weaknesses. Whether you're a beginner or seeking to refine your language skills, Multilingue is your ideal companion to explore the richness of world languages. Dive into an exciting educational adventure and speak confidently in every language! Multilingue is free in the following countries: Burundi, Sierra Leone, Malawi, Central African Republic, Madagascar, Somalia, South Sudan, Niger, Mozambique, Eritrea, Democratic Republic of the Congo, Chad, Liberia, Burkina Faso, Yemen, Guinea-Bissau, Mali.

Screenshots

Power and Logarithm PRO4 screens
Multilingue4 screens

Verdict

The call

Power and Logarithm PRO and Multilingue both sit at 5.0 stars, but that hides the real split: 100% of Power and Logarithm PRO's written reviews are positive against 0% of Multilingue's. Power and Logarithm PRO also leads on in-app purchases (none vs 1). Multilingue's advantage is price (Free vs $1.99) and update cadence (every 4 days vs monthly). On rating, ads 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

Multilingue is free to download; Power and Logarithm PRO costs $1.99 up front. Multilingue sells 1 one-off in-app purchase. Power and Logarithm PRO asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Power and Logarithm PRO against 4.9 for Multilingue. That said, the two scores are not equally well evidenced: Multilingue has 15 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 100% of Power and Logarithm PRO's written reviews are positive against 0% of Multilingue's.

UpkeepUpdate frequency

Power and Logarithm PRO ships an update monthly, Multilingue every 4 days. The most recent releases landed on September 14, 2026 and September 7, 2026 respectively.

Scorecard7 real differences · 3 level
Power and Logarithm PRO versus Multilingue: the parameters behind the verdict, then further details
ParameterPower and Logarithm PROMultilingue
Price$1.99Free — better
Rating5.0 (1 ratings) — better4.9 (15 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings115 — better
Update frequencyMonthlyEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size183 MB20 MB
Age rating4+4+
DeveloperGlindemann, Sennoun, Langer GbRDevpool

Customer experience

Power and Logarithm PRO

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Multilingue

All ratings15 ratings
Positive93.3%
Neutral6.7%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Power and Logarithm PRO

No in-app purchases

1 purchases

Multilingue

One-time1
  • Multilingue+$3.99

Questions

Is Power and Logarithm PRO free?
Power and Logarithm PRO costs $1.99, with no in-app purchases.
Is Multilingue free?
Multilingue is free to download, with in-app purchases available.
Which has better reviews, Power and Logarithm PRO or Multilingue?
Power and Logarithm PRO is rated higher. Power and Logarithm PRO averages 5.0 out of 5 from 1 ratings, while Multilingue averages 4.9 from 15 ratings.
Do Power and Logarithm PRO or Multilingue have ads?
Neither Power and Logarithm PRO nor Multilingue shows ads.
Which is updated more often, Power and Logarithm PRO or Multilingue?
Power and Logarithm PRO ships an update monthly, and Multilingue every 4 days. Most recently, Power and Logarithm PRO was updated on September 14, 2026 and Multilingue on September 7, 2026.

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