# Physical Constants vs Insight Mr Bit

The clearest difference is ads: Insight Mr Bit at none against Physical Constants's shown. Insight Mr Bit also leads on review sentiment (67% vs 33%) and monetization model (free vs ad-supported). Physical Constants's advantage is device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

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

Physical Constants ships an update every 9 months, Insight Mr Bit every 7 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Physical Constants | Insight Mr Bit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/physical-constants-ml/id837679891/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 7 months** |
| Monetization | Ad-supported | **Free** |
| Size | 25 MB | 82 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takuya Ishikawa](https://appshunter.io/developer/468311118) | [Laurence Rogers](https://appshunter.io/developer/947467609) |

## What reviewers say

### Physical Constants

[App page](https://appshunter.io/ios/app/physical-constants-ml/id837679891)

Access a comprehensive list of physical constants, organized by category for easy searching. This app supports all AppStore languages and allows users to report corrections via email.

**Highlights:** Physical constants database, Categorized by topic, Search functionality, Multi-language support, User feedback for corrections

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

**In-app purchases:** none


### Insight Mr Bit

[App page](https://appshunter.io/ios/app/insight-mr-bit/id1175915875)

Create simple programs in plain English to control the BBC micro:bit. Design games, control external devices, and compose music without complex coding. Ideal for developing logical thinking skills.

**Highlights:** Create programs in plain English, Control BBC micro:bit via Bluetooth, Design and play games, Control external devices, Compose and play music, Develop logical thinking skills

**In-app purchases:** none


## Frequently asked questions

### Is Physical Constants free?

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

### Is Insight Mr Bit free?

Insight Mr Bit is free to download, with no in-app purchases.

### Do Physical Constants or Insight Mr Bit have ads?

Physical Constants shows ads; Insight Mr Bit does not.

### Which is updated more often, Physical Constants or Insight Mr Bit?

Physical Constants ships an update every 9 months, and Insight Mr Bit every 7 months. Most recently, Physical Constants was updated on October 26, 2026 and Insight Mr Bit on October 24, 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.*