# ToptiCalc Optics Calculator vs EOSAM 2026

The clearest difference is update cadence: EOSAM 2026 at every 2 days against ToptiCalc Optics Calculator's every 41 months. EOSAM 2026 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, EOSAM 2026 every 2 days. The most recent releases landed on November 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ToptiCalc Optics Calculator | EOSAM 2026 |
| --- | --- | --- |
| 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 days** |
| Monetization | Free | — |
| Size | 2 MB | 15 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Toptica Photonics AG](https://appshunter.io/developer/919586983) | [Poznan Supercomputing and Networking Center](https://appshunter.io/developer/726093818) |

## 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


### EOSAM 2026

[App page](https://appshunter.io/ios/app/eosam-2026/id6796285379)

**Features:** macOS Compatibility, 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 EOSAM 2026 free?

EOSAM 2026 is free to download, with no in-app purchases.

### Do ToptiCalc Optics Calculator or EOSAM 2026 have ads?

Neither ToptiCalc Optics Calculator nor EOSAM 2026 shows ads.

### Which is updated more often, ToptiCalc Optics Calculator or EOSAM 2026?

ToptiCalc Optics Calculator ships an update every 41 months, and EOSAM 2026 every 2 days. Most recently, ToptiCalc Optics Calculator was updated on November 1, 2026 and EOSAM 2026 on October 9, 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.*