aspect vs Calcutron
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
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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.
Calcutron
This tool helps designers, developers, and artists proportionally resize digital assets. Easily calculate new dimensions for images, videos, or layouts by entering one measurement.
- Calculate missing dimension automatically
- Use common or custom aspect ratios
- Save frequently used sizes
- Swap width and height with one tap
- Round dimensions to specified decimal places
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Calcutron is a tool for designers, developers, graphic artists, photographers, or anyone who needs to proportionally resize digital assets or layouts based on their current size or aspect ratio. Calcutron makes it easy to quickly determine the new dimensions of any asset, such as video, photographs, or graphics. Simply enter one dimension and the other dimension is automatically calculated for you based on the original size or aspect ratio. In addition to graphic-professionals, Calcutron is a great tool for programmers who need to resize images or video in code. It can be a real time-saver over doing all the calculations manually. FEATURES • Enter the width or height to automatically calculate the other dimension. • Choose from a list of common aspect ratios or enter your own. • Save your most-used sizes as favorites. • Quickly swap width and height values with a single tap. • Round calculated dimensions up, down, or nearest - from 0-4 decimal places.
Screenshots
Verdict
The clearest difference is price: aspect at Free against Calcutron's $0.99. aspect also leads on update cadence (every 13 months vs every 33 months) and iOS requirement (12.0 vs 14.7). Calcutron's advantage is rating (5.0 vs 3.3) and review sentiment (100% vs 60%). On ratings volume, ads, in-app purchases and device support 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
aspect is free to download; Calcutron costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Calcutron holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 60% of aspect's written reviews are positive against 100% of Calcutron's.
aspect ships an update every 13 months, Calcutron every 33 months. The most recent releases landed on September 18, 2026 and June 8, 2026 respectively.
| Parameter | aspect | Calcutron |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.3 (4 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 60.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 — better | 3 |
| Update frequency | Every 13 months — better | Every 33 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 14.7 |
| Further details — not scored | ||
| Size | 1 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | manolo Sanudo | Solo Design, LLC |
Customer experience
aspect
Calcutron
In-app purchases
aspect
No in-app purchases
Calcutron
No in-app purchases
Questions
Is aspect free?
Is Calcutron free?
Which has better reviews, aspect or Calcutron?
Do aspect or Calcutron have ads?
Which is updated more often, aspect or Calcutron?
Other comparisons
