# Science Calc vs Thorlabs Toolkit

The clearest difference is update cadence: Science Calc at every 5 days against Thorlabs Toolkit's every 4 months. Thorlabs Toolkit's advantage is iOS requirement (13.0 vs 15.0). On price, ads, 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.

Science Calc ships an update every 5 days, Thorlabs Toolkit every 4 months. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Science Calc | Thorlabs Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/science-calc/id1620799327/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 4 months |
| Monetization | Free | — |
| Size | 1 MB | 30 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Luke Drushell](https://appshunter.io/developer/1565902401) | [Thorlabs, Inc.](https://appshunter.io/developer/1725147057) |

## What reviewers say

### Science Calc

[App page](https://appshunter.io/ios/app/science-calc/id1620799327)

This app simplifies complex science calculations with handy formulas and simulations. It offers features like wavelength, frequency, and velocity calculations, plus a nuclear bomb blast radius simulator. Enjoy a dark mode for late-night study sessions.

**Highlights:** Wavelength, Frequency, Velocity Calculator, Nuclear Bomb Blast Radius Simulator, Half Life Computation, Atomic Mass Calculation, Volume and Surface Area Calculator, Logarithm Equation Solver, Dark Mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Thorlabs Toolkit

[App page](https://appshunter.io/ios/app/thorlabs-toolkit/id6475776756)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Science Calc free?

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

### Is Thorlabs Toolkit free?

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

### Do Science Calc or Thorlabs Toolkit have ads?

Neither Science Calc nor Thorlabs Toolkit shows ads.

### Which is updated more often, Science Calc or Thorlabs Toolkit?

Science Calc ships an update every 5 days, and Thorlabs Toolkit every 4 months. Most recently, Science Calc was updated on October 13, 2026 and Thorlabs Toolkit on October 10, 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.*