# Monstrometer vs HAL

The clearest difference is review sentiment: Monstrometer at 71% against HAL's 0%. Monstrometer also leads on rating (4.7 vs 3.5) and ads (none vs shown). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

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

Monstrometer holds the better App Store score, 4.7 against 3.5. Both are backed by a comparable volume of ratings — 9 and 11 respectively. Written reviews point the same way: 71% of Monstrometer's written reviews are positive against 0% of HAL's.

Monstrometer ships an update every 3 months, HAL every 2 months. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Monstrometer | HAL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (9 ratings)](https://appshunter.io/ios/app/monstrometer/id335896676/reviews)** | [3.5 (11 ratings)](https://appshunter.io/ios/app/hal-voice-ai-assistant/id6447562599/reviews) |
| Number of ratings | 9 | **11** |
| Positive reviews | **71.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 51 MB | 35 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [T3 Digital Productions](https://appshunter.io/developer/335896679) | [yu nakamura](https://appshunter.io/developer/1079316668) |

## What reviewers say

### Monstrometer

[App page](https://appshunter.io/ios/app/monstrometer/id335896676)

This app helps you identify and understand supernatural beings. It uses biometric scans and questions to assess if someone is a disguised creature like a zombie or vampire, and offers survival tips and videos.

**Highlights:** Biometric finger scan for creature identification, Psychometric questions to assess supernatural probability, Survival videos for various creatures, Tips for dealing with supernatural beings, Social game for tricking friends

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 😂 Hilarious and fun
- 👍 Great for messing with friends
- 💡 Identifies monsters accurately (according to users)
- 🤩 Never gets old
- 💯 Good for parties and icebreakers

**What reviewers complain about**

- 🐛 Frequent crashing
- 🐛 App force closes
- 🐛 Data loss due to crashes
- 🐛 Bugs and glitches
- 📉 Inconsistent results

**Reported bugs**

- Crashes frequently
- Keeps crashing
- Crashes every time
- Force closes
- Bug that makes the app crash and delete data

**Requested features**

- Update the app on the AppStore
- Add sound effects
- Make human a result option
- Add unicorn and pegasus monsters
- Show most common answer and past quizzes


### HAL

[App page](https://appshunter.io/ios/app/hal-voice-ai-assistant/id6447562599)

Engage in voice-activated conversations with an AI assistant that mimics sci-fi characters. Enjoy jokes, small talk, and get advice for various situations. Future updates aim to improve memory and accuracy.

**Highlights:** Voice input for immediate conversation, AI-powered jokes and small talk, Assistance with research and advice, Sci-fi movie-like AI interaction, Free to use

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

**In-app purchases:** none


## Frequently asked questions

### Is Monstrometer free?

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

### Is HAL free?

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

### Which has better reviews, Monstrometer or HAL?

Monstrometer is rated higher. Monstrometer averages 4.7 out of 5 from 9 ratings, while HAL averages 3.5 from 11 ratings.

### Do Monstrometer or HAL have ads?

HAL shows ads; Monstrometer does not.

### Which is updated more often, Monstrometer or HAL?

Monstrometer ships an update every 3 months, and HAL every 2 months. Most recently, Monstrometer was updated on October 16, 2026 and HAL on October 5, 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.*