# 1 · 1 Tool vs (AR) Number Line

The clearest difference is price: 1 · 1 Tool at Free against (AR) Number Line's $0.99. 1 · 1 Tool also leads on update cadence (every 2 weeks vs every 5 months) and iOS requirement (12.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

1 · 1 Tool is free to download; (AR) Number Line costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

1 · 1 Tool ships an update every 2 weeks, (AR) Number Line every 5 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 1 · 1 Tool | (AR) Number Line |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/ar-number-line/id6473689075/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Monetization | — | Paid |
| Size | 559 MB | 96 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Anne Rahn](https://appshunter.io/developer/1569232499) | [Christian Urff](https://appshunter.io/developer/415894463) |

## What reviewers say

### 1 · 1 Tool

[App page](https://appshunter.io/ios/app/1-1-tool/id1569232497)

**Features:** macOS Compatibility

**In-app purchases:** none


### (AR) Number Line

[App page](https://appshunter.io/ios/app/ar-number-line/id6473689075)

This educational app uses augmented reality and interactive number lines to help primary and lower secondary students develop number concepts. It offers adaptive exercises, games, and an AI tutor to support independent learning and practice.

**Highlights:** Augmented reality number line, Classic number line interface, Adaptive exercises and games, AI tutor for feedback and hints, Configurable number ranges, Learning reports for teachers

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 1 · 1 Tool free?

1 · 1 Tool is free to download, with no in-app purchases.

### Is (AR) Number Line free?

(AR) Number Line costs $0.99, with no in-app purchases.

### Do 1 · 1 Tool or (AR) Number Line have ads?

Neither 1 · 1 Tool nor (AR) Number Line shows ads.

### Which is updated more often, 1 · 1 Tool or (AR) Number Line?

1 · 1 Tool ships an update every 2 weeks, and (AR) Number Line every 5 months. Most recently, 1 · 1 Tool was updated on November 3, 2026 and (AR) Number Line on November 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.*