# Unfold vs (AR) Number Line

The clearest difference is rating: Unfold at 4.2 against (AR) Number Line's 1.0. Unfold also leads on monetization model (free vs paid) and ratings volume (47 vs 1). (AR) Number Line's advantage is update cadence (every 5 months vs every 14 months). On price, ads, in-app purchases and device support there is nothing between them.

Unfold costs $0.99 and (AR) Number Line $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Unfold holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: Unfold has 47 ratings behind it against 1, so its average is the more settled of the two.

Unfold ships an update every 14 months, (AR) Number Line every 5 months. The most recent releases landed on November 6, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Unfold | (AR) Number Line |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[4.2 (47 ratings)](https://appshunter.io/ios/app/unfold/id557099803/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/ar-number-line/id6473689075/reviews) |
| Number of ratings | **47** | 1 |
| Positive reviews | 83.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 5 months** |
| Monetization | **Free** | Paid |
| Size | 1 MB | 96 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Paul Hangas](https://appshunter.io/developer/433121902) | [Christian Urff](https://appshunter.io/developer/415894463) |

## What reviewers say

### Unfold

[App page](https://appshunter.io/ios/app/unfold/id557099803)

Explore the mathematical and artistic beauty of 3D geometric solids on your device. Interact with 63 different symmetrical shapes, rotating and unfolding them to understand their geometry. Discover Platonic, Archimedean, and Johnson solids with an elegant interface and customizable colors.

**Highlights:** Interactive 3D solids, 63 different geometric shapes, Rotate and zoom functionality, Fold and unfold solids, 18 color options

**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 Unfold free?

Unfold costs $0.99, with no in-app purchases.

### Is (AR) Number Line free?

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

### Which has better reviews, Unfold or (AR) Number Line?

Unfold is rated higher. Unfold averages 4.2 out of 5 from 47 ratings, while (AR) Number Line averages 1.0 from 1 ratings.

### Do Unfold or (AR) Number Line have ads?

Neither Unfold nor (AR) Number Line shows ads.

### Which is updated more often, Unfold or (AR) Number Line?

Unfold ships an update every 14 months, and (AR) Number Line every 5 months. Most recently, Unfold was updated on November 6, 2026 and (AR) Number Line on November 12, 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.*