# Ross Optical Calculator vs TCL Cloud

The clearest difference is update cadence: TCL Cloud at every 5 days against Ross Optical Calculator's every 6 weeks. 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.

Ross Optical Calculator ships an update every 6 weeks, TCL Cloud every 5 days. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Ross Optical Calculator | TCL Cloud |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ross-optical-calculator/id1377878551/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 12 MB | 87 MB |
| Requires iOS | 12.4 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Ross Optical](https://appshunter.io/developer/1377878550) | [惠州TCL光伏科技有限公司](https://appshunter.io/developer/1671107368) |

## What reviewers say

### Ross Optical Calculator

[App page](https://appshunter.io/ios/app/ross-optical-calculator/id1377878551)

This utility app provides a comprehensive calculator for a variety of optical equations. It is designed for ease of use, making complex calculations accessible on your mobile device.

**Highlights:** Optical equation calculator, Wide range of equations, Easy to use interface, Mobile accessibility

**Features:** macOS Compatibility

**In-app purchases:** none


### TCL Cloud

[App page](https://appshunter.io/ios/app/tcl-cloud/id6740305214)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ross Optical Calculator free?

Ross Optical Calculator is free to download, with no in-app purchases.

### Is TCL Cloud free?

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

### Do Ross Optical Calculator or TCL Cloud have ads?

Neither Ross Optical Calculator nor TCL Cloud shows ads.

### Which is updated more often, Ross Optical Calculator or TCL Cloud?

Ross Optical Calculator ships an update every 6 weeks, and TCL Cloud every 5 days. Most recently, Ross Optical Calculator was updated on October 11, 2026 and TCL Cloud on October 16, 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.*