# Keenculator vs PhysicsLab

The clearest difference is in-app purchases: PhysicsLab at none against Keenculator's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Keenculator sells 4 in-app purchases, starting at $2.99 per month. PhysicsLab asks for nothing beyond the download.

Keenculator ships an update every 2 months, PhysicsLab every 3 months. The most recent releases landed on October 4, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Keenculator | PhysicsLab |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 58 MB | 33 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Egor Dovzhenko](https://appshunter.io/developer/782733100) | [Anas Abubakar](https://appshunter.io/developer/1581534101) |

## What reviewers say

### Keenculator

[App page](https://appshunter.io/ios/app/keenculator/id1437684875)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro-подписка на 1 месяц | $2.99 | per month |
| Pro-подписка на 6 месяцев | $14.99 | per 6 months |
| Pro-подписка на 1 год | $25.49 | per year |
| Pro версия | $1.99 | one-time |


### PhysicsLab

[App page](https://appshunter.io/ios/app/physicslab-calculator-lite/id1587705682)

This app helps students, teachers, and science enthusiasts calculate, understand, and visualize physics concepts. It offers calculators, simulations, worked problems, and clear explanations for various physics topics, making learning more accessible.

**Highlights:** Physics calculators for common problems, Interactive physics simulations, Worked problems with clear steps, Organized physics formulas by topic, Simple explanations for concepts, Unit conversion tools

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

**In-app purchases:** none


## Frequently asked questions

### Is Keenculator free?

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

### Is PhysicsLab free?

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

### Do Keenculator or PhysicsLab have ads?

Both Keenculator and PhysicsLab show ads.

### Which is updated more often, Keenculator or PhysicsLab?

Keenculator ships an update every 2 months, and PhysicsLab every 3 months. Most recently, Keenculator was updated on October 4, 2026 and PhysicsLab on September 27, 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.*