# Haunted Maths vs NDVibe

The clearest difference is ads: NDVibe at none against Haunted Maths's shown. NDVibe also leads on update cadence (every 4 days vs every 5 months). Haunted Maths's advantage is iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

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

Haunted Maths ships an update every 5 months, NDVibe every 4 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Haunted Maths | NDVibe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (22 ratings)](https://appshunter.io/ios/app/haunted-maths-scary-number/id1141665352/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | Ad-supported | — |
| Size | 61 MB | 40 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Softnoesis](https://appshunter.io/developer/981506496) | [Nikhil Dhingra](https://appshunter.io/developer/1558328261) |

## What reviewers say

### Haunted Maths

[App page](https://appshunter.io/ios/app/haunted-maths-scary-number/id1141665352)

This educational game makes practicing math fun for children aged 9 and up. It offers interactive exercises in addition, subtraction, and multiplication, with engaging video rewards for correct answers. Daily play can significantly improve calculation skills without boredom.

**Highlights:** Addition, subtraction, and multiplication practice, Engaging video rewards, Score comparison with friends, Beginner tutorial included, Daily 5-minute practice sessions

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### NDVibe

[App page](https://appshunter.io/ios/app/ndvibe/id6468406478)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Haunted Maths free?

Haunted Maths is free to download, with no in-app purchases.

### Is NDVibe free?

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

### Do Haunted Maths or NDVibe have ads?

Haunted Maths shows ads; NDVibe does not.

### Which is updated more often, Haunted Maths or NDVibe?

Haunted Maths ships an update every 5 months, and NDVibe every 4 days. Most recently, Haunted Maths was updated on November 2, 2026 and NDVibe on November 3, 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.*