aspect vs Perspective Pixels
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
aspect
Easily calculate any ratio for design projects. Input a base ratio and either width or height to automatically determine the other dimension. Offers dark and light themes for usability in any lighting.
- Calculate any ratio
- Input base ratio
- Calculate missing dimension
- Dark and light themes
- Option to disable result rounding
Read full descriptionHide full description
The easiest way to calculate any ratio. This is very useful, specially for designers who are trying to figure out the dimensions a certain asset should be, aspect:ratio provides you with a very simple and fast way to calculate it by just writing a base ratio, or selecting one from the presets, and then writing either the width or the height values and aspect:ratio will automatically calculate the other value for you. With a dark and light theme, it is easy to use under any lightning conditions, and if you want, you can also choose for aspect:ratio to not round the results.
Perspective Pixels
This tool helps you understand and compare display specifications like PPI, PPD, and FOV. Input your monitor's details to see how they affect your viewing experience and explore UI scaling effects. Save and compare unlimited configurations with a clean, intuitive interface.
- Calculate PPI, PPD, and FOV
- Explore UI scaling effects
- Save and compare monitor configurations
- Switch between metric and imperial units
- Intuitive and user-friendly interface
Read full descriptionHide full description
Ever wondered how your monitor's specs truly translate to your viewing experience? Perspective Pixels is a tool that makes it easy to understand and compare the technical details of displays. Whether you’re researching new monitors, comparing your work and home setups, or just curious about the numbers, input the specs to see the key metrics that define a display’s characteristics. Key Features: * Learn Key Metrics: Calculate and learn about Pixels Per Inch (PPI), Pixels Per Degree (PPD), and Field of View (FOV) for any screen. * Explore UI Scaling: See how operating system scaling affects a display's effective resolution and pixel density. * Save & Compare: Save an unlimited number of monitor configurations. Easily compare your current screen, a friend's setup, or that new monitor you're considering. * Metric & Imperial Units: Seamlessly switch between inches and centimeters for all measurements. * Clean & Intuitive Interface: A user-friendly design that makes complex specs simple to explore.
Screenshots
Verdict
The clearest difference is rating: Perspective Pixels at 5.0 against aspect's 3.3. Perspective Pixels also leads on update cadence (every 5 months vs every 13 months). aspect's advantage is ratings volume (4 vs 1) and iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and monetization model 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.
Perspective Pixels holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
aspect ships an update every 13 months, Perspective Pixels every 5 months. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.
| Parameter | aspect | Perspective Pixels |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (4 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 60.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 13 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | manolo Sanudo | Ryan Himmelwright |
Customer experience
aspect
Perspective Pixels
In-app purchases
aspect
No in-app purchases
Perspective Pixels
No in-app purchases
Questions
Is aspect free?
Is Perspective Pixels free?
Which has better reviews, aspect or Perspective Pixels?
Do aspect or Perspective Pixels have ads?
Which is updated more often, aspect or Perspective Pixels?
Other comparisons
