CompareShots vs Calmo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CompareShots
Easily compare two images side-by-side to check for exact matches or subtle differences. Adjust overlay opacity, switch between images with a tap, and even draw directly on the screen for detailed analysis. Share your findings with others.
- Side-by-side image display
- Adjustable overlay opacity
- Tap to switch images
- On-screen drawing tools
- Share comparison results
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CompareShots is a tool that helps you compare screenshots and images. Simply select two images, and CompareShots will display them side by side. You can adjust the opacity of the overlay to determine if the images are an exact match. Alternatively, you can touch anywhere on the screen to switch between images. Additionally, if you need to focus on specific details, you can draw directly on the screen. CompareShots is useful when comparing mockups of websites or apps with their actual outcomes. This ensures that the work is pixel-perfect. Furthermore, you can share the results of your work in CompareShots with friends or colleagues.
Calmo
This app combines a calculator with note-taking capabilities, allowing users to create formulas, aggregate values, and sum them up. It offers a convenient interface for building tables with easy keyboard navigation and adjustable item positioning.
- Integrated calculator and notes
- Formula creation and calculation
- Value aggregation and summation
- Easy table creation
- Keyboard navigation
- Adjustable item positioning
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Calmo is an app that combines a calculator and a note. With the calculator you can create formulas and calculate, or you can aggregate all the values and get the sum of them. You can quickly move from one item to the next from the keyboard, adjust the position of the items to match the keyboard, and more, making it easy and convenient to create tables.
Screenshots
Verdict
The clearest difference is price: Calmo at Free against CompareShots's $3.99. Calmo also leads on update cadence (every 3 weeks vs every 11 months) and iOS requirement (14.0 vs 16.6). CompareShots's advantage is ads (none vs shown) and review sentiment (94% vs 75%). On rating, ratings volume, 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
Calmo is free to download; CompareShots costs $3.99 up front. 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 CompareShots against 5.0 for Calmo. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews are what separate them: 94% of CompareShots's written reviews are positive against 75% of Calmo's.
CompareShots ships an update every 11 months, Calmo every 3 weeks. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.
| Parameter | CompareShots | Calmo |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 5.0 (3 ratings) | 5.0 (3 ratings) |
| Positive reviews | 94.4% of reviews — better | 75.0% of reviews |
| Number of ratings | 3 | 3 |
| Update frequency | Every 11 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Space In Box | Hiroki Oka |
Customer experience
CompareShots
Calmo
In-app purchases
CompareShots
No in-app purchases
Calmo
No in-app purchases
