Comparison

Adding up to 10 vs Isosceles Triangle PRO

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

Head to head
About

Adding up to 10

This educational app makes learning addition fun for children through engaging mini-games and interactive challenges. It uses natural handwriting input and adaptive difficulty to reinforce math skills and build confidence in a distraction-free environment.

Highlights
  • Fun mini-games for addition practice
  • Adaptive difficulty adjusts to child's pace
  • Natural handwriting input for answers
  • Real-time feedback and interactive gameplay
  • Builds number recognition and problem-solving skills
  • Ad-free and distraction-free learning
Features
Read full description

Discover an innovative way to boost your child's math skills while having a blast! This engaging learning app transforms basic addition into an exciting adventure through fun mini-games designed to spark curiosity and joy. With adaptive difficulty, each challenge adjusts to your child's unique pace, ensuring they remain motivated and appropriately challenged at every step of their learning journey. Using natural handwriting input, kids experience the authentic feel of writing answers on paper, reinforcing their number formation and handwriting skills. The interactive gameplay and real-time feedback create a learning environment that’s both immersive and rewarding—turning practice into play. Key Skills Your Child Will Practice: Recognizing numbers Understanding addition concepts Counting and combining numbers Developing problem-solving skills Not only does this app make learning enjoyable, it also builds confidence and lays a strong foundation in math, setting the stage for future academic success. Parents love the ad-free, distraction-free experience and the peace of mind knowing their child's data is secure. Empower your child to embrace math with enthusiasm and watch as their skills grow with every game. Invest in their future—download today and turn everyday learning into an extraordinary adventure!

About

Isosceles Triangle PRO

Calculate all properties of an isosceles triangle, whether acute or obtuse. Input known values to see formulas and results. Supports decimals, fractions, and step-by-step solutions with history saving and sharing.

Highlights
  • Calculate all isosceles triangle quantities
  • Display formulas for calculations
  • Supports acute and obtuse triangles
  • Handles decimals and fractions
  • Step-by-step solution display
  • History function for saved calculations
  • Adjustable decimal places
Features
Read full description

The best app to calculate all quantities of an isosceles triangle. You must enter some quantities like an angle and a length. The algorithm searches the formulas of the missing quantities, shows them and calculates the results. The calculation of an isosceles triangle depends on one certain characteristic. Either it is obtuse angled or acute angled. Both is handled in this app. You just have to touch the button to switch the appearance of your isosceles triangle. The length of the decimal place can be changed. The algorithm shows when rounding or wrong values lead to an opposition. Decimals and fractions are supported. The solution is shown step by step. All calculations are stored in the history. The final solution can be shared. [ Content ] - all important quantities for the isosceles triangle - formulas for all important quantities of an isosceles triangle - infographic to illustrate the topic - search bar to find the desired quantity - history function to save the input - detailed solution - positive numbers, decimals and fractions are supported - changeable decimal place - changeable appearance of your triangle (obtuse angled - acute angled) - no ads! [ Usage ] - there are several fields for entering the values ​​using a special keyboard - if values are missing, all fields are highlighted in orange - if values are conflicting or wrong (e.g. negative lengths), one affected field is highlighted in red - every value must be positive - if a value is no number, it is highlighted in red - the entries in the history can be deleted or sorted manually - if you select an entry in the history, it will be loaded automatically for the calculation - the entire history can be deleted by pressing a button - solutions can be shared [ Acute angled ] - gamma must be less than 90° - alpha must be greater than 45° and less than 90° [ Obtuse angled ] - gamma must be greater than or equal 90° and less than 180° - alpha must be less than or equal 45°

Screenshots

Adding up to 104 screens
Isosceles Triangle PRO4 screens

Verdict

The call

The clearest difference is update cadence: Isosceles Triangle PRO at monthly against Adding up to 10's every 36 months. Adding up to 10's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model 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

Adding up to 10 costs $2.99 and Isosceles Triangle PRO $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Adding up to 10 ships an update every 36 months, Isosceles Triangle PRO monthly. The most recent releases landed on October 31, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 8 level
Adding up to 10 versus Isosceles Triangle PRO: the parameters behind the verdict, then further details
ParameterAdding up to 10Isosceles Triangle PRO
Price$2.99$2.99
Rating—5.0 (2 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings—2 — better
Update frequencyEvery 36 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size18 MB180 MB
Age rating4+4+
DeveloperSergey MaluginGlindemann, Sennoun, Langer GbR

Customer experience

Adding up to 10

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Isosceles Triangle PRO

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Adding up to 10

No in-app purchases

None

Isosceles Triangle PRO

No in-app purchases

Questions

Is Adding up to 10 free?
Adding up to 10 costs $2.99, with no in-app purchases.
Is Isosceles Triangle PRO free?
Isosceles Triangle PRO costs $2.99, with no in-app purchases.
Do Adding up to 10 or Isosceles Triangle PRO have ads?
Neither Adding up to 10 nor Isosceles Triangle PRO shows ads.
Which is updated more often, Adding up to 10 or Isosceles Triangle PRO?
Adding up to 10 ships an update every 36 months, and Isosceles Triangle PRO monthly. Most recently, Adding up to 10 was updated on October 31, 2026 and Isosceles Triangle PRO on October 27, 2026.

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