# Number Line vs one plus one automation

The clearest difference is update cadence: one plus one automation at every 2 weeks against Number Line's every 6 months. one plus one automation also leads on price ($0.99 vs $1.99). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

Number Line costs $1.99 and one plus one automation $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Number Line ships an update every 6 months, one plus one automation every 2 weeks. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Number Line | one plus one automation |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/number-line-elementary-math/id944786903/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 60.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Paid | Paid |
| Size | 37 MB | 9 MB |
| Requires iOS | **8.0** | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Simon Storz](https://appshunter.io/developer/924848267) | [Christian Urff](https://appshunter.io/developer/415894463) |

## What reviewers say

### Number Line

[App page](https://appshunter.io/ios/app/number-line-elementary-math/id944786903)

This educational app helps young learners grasp the concept of number scales and ordering. It features interactive game modes where children drag numbers to their correct positions on a number line or identify numbers based on their location. Adjustable difficulty and number ranges cater to different learning levels.

**Highlights:** Number line visualization, Drag and drop number placement, Identify number by position, Adjustable difficulty, Customizable number ranges, High score tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### one plus one automation

[App page](https://appshunter.io/ios/app/one-plus-one-automation/id1488214104)

This app helps children automate addition and subtraction skills. It uses intelligent training methods based on memory principles to reinforce learned tasks and improve recall speed. Designed for children who already understand basic math concepts, it focuses on memorization for more complex calculations.

**Highlights:** Addition and subtraction up to 20, Intelligent training based on memory, Individual learning progress tracking, Written and spoken task presentation, Distraction-free learning environment, Timed challenges for recall speed

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Line free?

Number Line costs $1.99, with no in-app purchases.

### Is one plus one automation free?

one plus one automation costs $0.99, with no in-app purchases.

### Do Number Line or one plus one automation have ads?

Neither Number Line nor one plus one automation shows ads.

### Which is updated more often, Number Line or one plus one automation?

Number Line ships an update every 6 months, and one plus one automation every 2 weeks. Most recently, Number Line was updated on October 24, 2026 and one plus one automation on October 14, 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.*