Comparison

Simple Logarithm PRO vs Learn Writing and Tracing 123

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

Head to head
About

Simple Logarithm PRO

This app simplifies complex logarithm and exponentiation calculations with step-by-step solutions. It supports various input types, including decimals, fractions, and negative values, and provides a history of all calculations.

Highlights
  • Logarithm and exponentiation modes
  • Step-by-step solution display
  • Support for decimals, fractions, and negative values
  • Calculation history
  • Transformation between logarithm and exponentiation
  • Logarithm rules infographic
  • Solution sharing
Features
Read full description

Using logarithm is a complicated task, but this app helps out! You can choose between 4 standard shapes of this topic. Then you can enter what you have to calculate what you need - base, exponent, antilogarithm, the logarithmic result, even the x-value of a term as exponent. The connection between logarithm and exponentiation is shown aswell. An infographic gives a deeper insight into some 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 - modes for exponentiation - exponent, base and some more values can be entered - results are calculated and shown in detail - transformations between logarithm and exponentiation are taken into account - shortened 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

About

Learn Writing and Tracing 123

This app offers a fun and engaging way for children to practice writing numbers, drawing shapes, and tracing letters. It aims to boost creativity and confidence while developing essential handwriting skills through interactive tracing activities.

Highlights
  • Number tracing practice
  • Shape drawing exercises
  • Letter writing practice
  • Sparks creativity
  • Boosts confidence
  • Develops crucial skills
Read full description

Make learning an adventure for your child. It's a great tool for practicing writing numbers, drawing shapes, and even writing family names. This app sparks creativity, boosts confidence, and helps develop crucial skills through tracing.

Screenshots

Simple Logarithm PRO4 screens
Learn Writing and Tracing 1234 screens

Verdict

The call

The clearest difference is price: Learn Writing and Tracing 123 at Free against Simple Logarithm PRO's $1.99. Simple Logarithm PRO's advantage is update cadence (monthly vs every 5 months). On ads, in-app purchases, device support 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

Learn Writing and Tracing 123 is free to download; Simple Logarithm PRO costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Simple Logarithm PRO ships an update monthly, Learn Writing and Tracing 123 every 5 months. Both last shipped on November 3, 2026.

Scorecard3 real differences · 7 level
Simple Logarithm PRO versus Learn Writing and Tracing 123: the parameters behind the verdict, then further details
ParameterSimple Logarithm PROLearn Writing and Tracing 123
Price$1.99Free — better
Rating—4.6 (41 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings—41 — better
Update frequencyMonthly — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.0 — better15.6
Further details — not scored
Size180 MB8 MB
Age rating4+4+
DeveloperGlindemann, Sennoun, Langer GbRMarvin Krueger

Customer experience

Simple Logarithm PRO

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Learn Writing and Tracing 123

All ratings41 ratings
Positive95.1%
Neutral0.0%
Negative4.9%

In-app purchases

None

Simple Logarithm PRO

No in-app purchases

None

Learn Writing and Tracing 123

No in-app purchases

Questions

Is Simple Logarithm PRO free?
Simple Logarithm PRO costs $1.99, with no in-app purchases.
Is Learn Writing and Tracing 123 free?
Learn Writing and Tracing 123 is free to download, with no in-app purchases.
Do Simple Logarithm PRO or Learn Writing and Tracing 123 have ads?
Neither Simple Logarithm PRO nor Learn Writing and Tracing 123 shows ads.
Which is updated more often, Simple Logarithm PRO or Learn Writing and Tracing 123?
Simple Logarithm PRO ships an update monthly, and Learn Writing and Tracing 123 every 5 months. Most recently, Simple Logarithm PRO was updated on November 3, 2026 and Learn Writing and Tracing 123 on November 3, 2026.

Other comparisons