# Haunted Maths vs 67 Detector

The clearest difference is review sentiment: 67 Detector at 100% against Haunted Maths's 50%. 67 Detector also leads on rating (4.8 vs 4.3) and update cadence (daily vs every 5 months). Haunted Maths's advantage is in-app purchases (none vs 5) and ratings volume (22 vs 5). On price, ads and device support there is nothing between them.

Both are free to download. 67 Detector sells 5 one-off in-app purchases. Haunted Maths asks for nothing beyond the download.

67 Detector holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 22 and 5 respectively. Written reviews point the same way: 50% of Haunted Maths's written reviews are positive against 100% of 67 Detector's.

Haunted Maths ships an update every 5 months, 67 Detector daily. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Haunted Maths | 67 Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (22 ratings)](https://appshunter.io/ios/app/haunted-maths-scary-number/id1141665352/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/67-detector/id6759386609/reviews)** |
| Number of ratings | **22** | 5 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Daily** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 61 MB | 24 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [Softnoesis](https://appshunter.io/developer/981506496) | [Peter Hodges](https://appshunter.io/developer/1873344533) |

## 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


### 67 Detector

[App page](https://appshunter.io/ios/app/67-detector/id6759386609)

This app listens for the phrase "six seven" and alerts you instantly with sound, vibration, or a screen flash. It tracks your detections and offers customizable alert sounds. All audio processing is done on-device for privacy.

**Highlights:** Instant "six seven" detection, Customizable sound, haptic, and screen alerts, On-device speech recognition, Tracks detection count, Unlockable sound packs, Privacy-focused audio processing

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Airhorn Pack | $0.99 | one-time |
| MLG Pack | $0.99 | one-time |
| Meme Pack | $0.99 | one-time |
| Everything Bundle | $1.99 | one-time |


## Frequently asked questions

### Is Haunted Maths free?

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

### Is 67 Detector free?

67 Detector is free to download, with in-app purchases available.

### Which has better reviews, Haunted Maths or 67 Detector?

67 Detector is rated higher. Haunted Maths averages 4.3 out of 5 from 22 ratings, while 67 Detector averages 4.8 from 5 ratings.

### Do Haunted Maths or 67 Detector have ads?

Both Haunted Maths and 67 Detector show ads.

### Which is updated more often, Haunted Maths or 67 Detector?

Haunted Maths ships an update every 5 months, and 67 Detector daily. Most recently, Haunted Maths was updated on November 2, 2026 and 67 Detector on October 31, 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.*