# ToptiCalc Optics Calculator vs EFTF 2024

The clearest difference is update cadence: EFTF 2024 at every 2 weeks against ToptiCalc Optics Calculator's every 41 months. EFTF 2024 also leads on device support (3 vs 1). On price, ads, 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.

ToptiCalc Optics Calculator ships an update every 41 months, EFTF 2024 every 2 weeks. The most recent releases landed on September 20, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | ToptiCalc Optics Calculator | EFTF 2024 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/topticalc-optics-calculator/id919586984/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 2 MB | 14 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Toptica Photonics AG](https://appshunter.io/developer/919586983) | [PocketCampus Sarl](https://appshunter.io/developer/549799538) |

## What reviewers say

### ToptiCalc Optics Calculator

[App page](https://appshunter.io/ios/app/topticalc-optics-calculator/id919586984)

This application provides essential calculations and conversions for laser optics, covering areas like spectral unit conversion, Fabry-Perot calculations, and Gaussian beam focusing. It's designed to be a convenient tool for quick access to important optical formulas.

**Highlights:** Spectral Unit Conversion, Fabry-Perot Calculations, Gaussian Beam Focusing, Refraction at a Plane Surface, Short Laser Pulse Calculations, Pulse Train Calculations, Decibel Conversion

**In-app purchases:** none


### EFTF 2024

[App page](https://appshunter.io/ios/app/eftf-2024/id6477820376)

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

**In-app purchases:** none


## Frequently asked questions

### Is ToptiCalc Optics Calculator free?

ToptiCalc Optics Calculator is free to download, with no in-app purchases.

### Is EFTF 2024 free?

EFTF 2024 is free to download, with no in-app purchases.

### Do ToptiCalc Optics Calculator or EFTF 2024 have ads?

Neither ToptiCalc Optics Calculator nor EFTF 2024 shows ads.

### Which is updated more often, ToptiCalc Optics Calculator or EFTF 2024?

ToptiCalc Optics Calculator ships an update every 41 months, and EFTF 2024 every 2 weeks. Most recently, ToptiCalc Optics Calculator was updated on September 20, 2026 and EFTF 2024 on August 12, 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.*