# Integer Skillz vs HeyCaro

The clearest difference is price: HeyCaro at Free against Integer Skillz's $0.99. Integer Skillz's advantage is rating (4.6 vs 3.7) and in-app purchases (none vs 2). On ratings volume, ads and device support there is nothing between them.

HeyCaro is free to download; Integer Skillz costs $0.99 up front. HeyCaro sells 2 in-app purchases, starting at $11.99 per month. Integer Skillz asks for nothing beyond the download.

Integer Skillz holds the better App Store score, 4.6 against 3.7. Both are backed by a comparable volume of ratings — 7 and 6 respectively. Written reviews point the same way: 86% of Integer Skillz's written reviews are positive against 60% of HeyCaro's.

## The numbers

| Metric | Integer Skillz | HeyCaro |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.6 (7 ratings)](https://appshunter.io/ios/app/integer-skillz/id1531580115/reviews)** | [3.7 (6 ratings)](https://appshunter.io/ios/app/heycaro-learn-english/id6759616593/reviews) |
| Number of ratings | **7** | 6 |
| Positive reviews | **85.7% of reviews** | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 18 MB | 118 MB |
| Requires iOS | **13.6** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +12 |
| Developer | [Rock Creek Learning, LLC](https://appshunter.io/developer/1530690032) | [Kowanz Media SL](https://appshunter.io/developer/1879832614) |

## What reviewers say

### Integer Skillz

[App page](https://appshunter.io/ios/app/integer-skillz/id1531580115)

This educational game helps students aged 8 and up master adding and subtracting integers. It challenges users to solve 16 math expressions quickly, improving mental math abilities. Designed for iPhone and iPad, it offers a focused approach to integer arithmetic.

**Highlights:** Integer addition and subtraction practice, Develops mental math skills, Timed expression evaluation, Suitable for ages 8+, iPhone and iPad compatible

**Features:** macOS Compatibility

**In-app purchases:** none


### HeyCaro

[App page](https://appshunter.io/ios/app/heycaro-learn-english/id6759616593)

This app helps Russian speakers improve their spoken English through AI-powered conversation practice, pronunciation training, and structured lessons. It offers specialized courses for interviews and travel, with exclusive content from an English teacher.

**Highlights:** AI conversation practice, Pronunciation training, Structured grammar and vocabulary lessons, Exclusive video and podcast content, Courses for interviews and travel, Progress tracking

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $11.99 | per month |
| Yearly Subscription | $99.99 | per year |


## Frequently asked questions

### Is Integer Skillz free?

Integer Skillz costs $0.99, with no in-app purchases.

### Is HeyCaro free?

HeyCaro is free to download, with in-app purchases available.

### Which has better reviews, Integer Skillz or HeyCaro?

Integer Skillz is rated higher. Integer Skillz averages 4.6 out of 5 from 7 ratings, while HeyCaro averages 3.7 from 6 ratings.

### Do Integer Skillz or HeyCaro have ads?

Neither Integer Skillz nor HeyCaro shows ads.

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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.*