NthApp vs Ross Optical Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NthApp
Customize your browsing experience by configuring the app's main screen with your own web or server-based content. Create and save multiple display configurations for quick access and share them with others via email. Supports web, portfolio, list, and contact views.
- Create custom display configurations
- Add web, portfolio, list, and contact views
- Save and quickly select configurations
- Share configurations via email
- Import configurations on iPhone and iPad
- Central scratchpad for batch copy/paste
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Customize and reconfigure your user's browsing experience with content that can be shared with friends and colleagues. NthApp is an iOS app for iPad and iPhone that allows you as the user to configure the main screen of the app to display your own web or server-based content. Or alternately you can display any public-facing content. You can create and save any number of display configurations using the built-in tap and type view editors. Then you can quickly select any saved configuration for viewing. In this current version creation and editing of configurations is limited to iPad because of space constraints on the iPhone. However, you can export your configurations by email and the receiver of the email can import the configuration into either an iPad or and iPhone by tapping and holding the email attachment file. The user then sees a choice to import and view the content of the configuration. The view editors are tap, type, copy, paste capable and most of your content will require a public facing URL. URLs that contain passwords will be ignored by the app. There is a central scratchpad available from the editor where you can batch copy and paste URLs or other text from an email for instance to make configuration creation and editing less tedious and time consuming. There are four basic kinds of views you can select to add to your configuration: Web, Portfolio, List, and Contact. Types of content that can be viewed in Web and Portfolio views are discussed in more detail in the editor “Tips & Pointers” that is available from any editor. Most public content that you can view in a browser can be added from these editors. A list view can be built with any combination of the four views. A contact view URL needs to reference a file that is in the VCard format.
Ross Optical Calculator
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.
- Optical equation calculator
- Wide range of equations
- Easy to use interface
- Mobile accessibility
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A mobile app calculator with a wide range of optic equations, made easy for you to use.
Screenshots
Verdict
The clearest difference is ratings volume: Ross Optical Calculator at 3 against NthApp's 1. Ross Optical Calculator also leads on iOS requirement (12.4 vs 26.6). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for NthApp against 5.0 for Ross Optical Calculator. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
NthApp ships an update every 2 months, Ross Optical Calculator every 6 weeks. The most recent releases landed on October 29, 2026 and October 11, 2026 respectively.
| Parameter | NthApp | Ross Optical Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (3 ratings) |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.6 | 12.4 — better |
| Further details — not scored | ||
| Size | 9 MB | 12 MB |
| Age rating | 17+ | 4+ |
| Developer | LucoTrav Software, Inc | Ross Optical |
Customer experience
NthApp
Ross Optical Calculator
In-app purchases
NthApp
No in-app purchases
Ross Optical Calculator
No in-app purchases
Questions
Is NthApp free?
Is Ross Optical Calculator free?
Which has better reviews, NthApp or Ross Optical Calculator?
Do NthApp or Ross Optical Calculator have ads?
Which is updated more often, NthApp or Ross Optical Calculator?
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