# Teaching Number Lines vs Code Karts

The clearest difference is rating: Code Karts at 3.8 against Teaching Number Lines's 3.0. Code Karts also leads on ratings volume (147 vs 2) and review sentiment (61% vs 50%). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Teaching Number Lines sells 1 one-off in-app purchase and Code Karts sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Code Karts holds the better App Store score, 3.8 against 3.0. That said, the two scores are not equally well evidenced: Code Karts has 147 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of Teaching Number Lines's written reviews are positive against 61% of Code Karts's.

Teaching Number Lines ships an update every 6 months, Code Karts every 4 months. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Teaching Number Lines | Code Karts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/teaching-number-lines/id492603378/reviews) | **[3.8 (147 ratings)](https://appshunter.io/ios/app/code-karts-pre-coding-logic/id1222704761/reviews)** |
| Number of ratings | 2 | **147** |
| Positive reviews | 50.0% of reviews | **61.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 17 MB | 260 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aleesha Kondys](https://appshunter.io/developer/478569400) | [EDOKI ACADEMY](https://appshunter.io/developer/555989645) |

## What reviewers say

### Teaching Number Lines

[App page](https://appshunter.io/ios/app/teaching-number-lines/id492603378)

This app introduces young students to number lines using interactive frog characters for counting, ordering, addition, and subtraction. It helps visualize numbers and understand mathematical concepts through physical movement and step-by-step examples.

**Highlights:** Interactive number line visualization, Frog characters for steps and leaps, Counting and ordering practice, Addition and subtraction modeling, Skip counting exercises, Sequencing and number placement

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all modules | $0.99 | one-time |


### Code Karts

[App page](https://appshunter.io/ios/app/code-karts-pre-coding-logic/id1222704761)

This app introduces children aged 4 and up to pre-coding concepts through engaging logic puzzles presented as a raceway. It teaches fundamental coding principles and problem-solving skills through interactive gameplay, including counting in binary.

**Highlights:** Pre-coding logic puzzles, Learn to count in binary, Develop sequencing and problem-solving, Over 70 levels, Two game modes, Intuitive UI for young children

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game Unlock | $2.99 | one-time |

**What reviewers like**

- 👍 Great introduction to coding
- 👍 Fun and engaging for kids
- 👍 Good for logic and sequencing
- 👍 Quick customer support
- 👍 No ads

**What reviewers complain about**

- 👎 Requires purchase to continue
- 👎 Purchase not restoring
- 👎 Issues with family sharing
- 👎 Tedious arrow interaction
- 👎 Broken bonus level

**Reported bugs**

- Cannot restore purchases
- Purchased content not unlocking on new devices
- Family sharing not working for purchases
- Bonus level is unplayable/unexitable
- Back button not working in bonus level

**Requested features**

- Extend free trial
- Improve arrow interaction
- Add more levels
- Add option to reset progress
- Improve Turkish dubbing accuracy


## Frequently asked questions

### Is Teaching Number Lines free?

Teaching Number Lines is free to download, with in-app purchases available.

### Is Code Karts free?

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

### Which has better reviews, Teaching Number Lines or Code Karts?

Code Karts is rated higher. Teaching Number Lines averages 3.0 out of 5 from 2 ratings, while Code Karts averages 3.8 from 147 ratings.

### Do Teaching Number Lines or Code Karts have ads?

Neither Teaching Number Lines nor Code Karts shows ads.

### Which is updated more often, Teaching Number Lines or Code Karts?

Teaching Number Lines ships an update every 6 months, and Code Karts every 4 months. Most recently, Teaching Number Lines was updated on October 3, 2026 and Code Karts on October 8, 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.*