# Adding up to 10 vs Isosceles Triangle PRO

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.

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.

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.

## The numbers

| Metric | Adding up to 10 | Isosceles Triangle PRO |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/isosceles-triangle-pro/id1568944096/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 18 MB | 180 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Malugin](https://appshunter.io/developer/562782409) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### Adding up to 10

[App page](https://appshunter.io/ios/app/adding-up-to-10/id573010678)

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:** macOS Compatibility

**In-app purchases:** none


### Isosceles Triangle PRO

[App page](https://appshunter.io/ios/app/isosceles-triangle-pro/id1568944096)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*