# Number Line, by MLC vs KidBot Start

The clearest difference is rating: KidBot Start at 5.0 against Number Line, by MLC's 4.4. KidBot Start also leads on review sentiment (100% vs 67%) and update cadence (every 5 months vs every 13 months). Number Line, by MLC's advantage is ratings volume (15 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KidBot Start holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Number Line, by MLC has 15 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 67% of Number Line, by MLC's written reviews are positive against 100% of KidBot Start's.

Number Line, by MLC ships an update every 13 months, KidBot Start every 5 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Number Line, by MLC | KidBot Start |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (15 ratings)](https://appshunter.io/ios/app/number-line-by-mlc/id751816884/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/kidbot-start/id1090682359/reviews)** |
| Number of ratings | **15** | 2 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 7 MB | 64 MB |
| Requires iOS | **16.1** | 16.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [The Math Learning Center](https://appshunter.io/developer/1542700905) | [KONSTANTIN ILIEV VASSILEV](https://appshunter.io/developer/1794604383) |

## What reviewers say

### Number Line, by MLC

[App page](https://appshunter.io/ios/app/number-line-by-mlc/id751816884)

This app allows students to visualize number sequences and demonstrate mathematical strategies. It supports various number types and offers tools for annotation, problem-solving, and sharing work. Ideal for elementary classrooms and iPad learning environments.

**Highlights:** Visualize number sequences, Demonstrate counting, adding, subtracting, multiplying, dividing, Use whole numbers, fractions, decimals, or negative numbers, Add custom tick marks and labels, Hide and reveal numbers and jumps, Annotation and drawing tools, Save and share work

**Features:** macOS Compatibility

**In-app purchases:** none


### KidBot Start

[App page](https://appshunter.io/ios/app/kidbot-start/id1090682359)

This app teaches children the fundamentals of programming through an engaging puzzle game. Players command a robot to collect toys using a visual, puzzle-like interface that introduces concepts like sequencing, loops, and conditions.

**Highlights:** Visual programming interface, Robot command puzzles, Instruction sequencing, Conditional execution, Loops and jumps, Offline play

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Line, by MLC free?

Number Line, by MLC is free to download, with no in-app purchases.

### Is KidBot Start free?

KidBot Start is free to download, with no in-app purchases.

### Which has better reviews, Number Line, by MLC or KidBot Start?

KidBot Start is rated higher. Number Line, by MLC averages 4.4 out of 5 from 15 ratings, while KidBot Start averages 5.0 from 2 ratings.

### Do Number Line, by MLC or KidBot Start have ads?

Neither Number Line, by MLC nor KidBot Start shows ads.

### Which is updated more often, Number Line, by MLC or KidBot Start?

Number Line, by MLC ships an update every 13 months, and KidBot Start every 5 months. Most recently, Number Line, by MLC was updated on November 6, 2026 and KidBot Start on November 2, 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.*