Amazing Calculator vs Solves
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Amazing Calculator
This utility app allows users to easily edit complex expressions and view calculation history. It offers quick access to functions, custom constants, and saved bookmarks. Rotate your device to landscape for expanded functionality.
- Multiline expression editing
- Calculation history
- Customizable constants
- Functions panel
- Bookmarks panel
- Landscape mode functionality
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Amazing Calculator puts control back in your hands. You can edit the current expression whatever you like and you can see at up to 3 lines of expression of possibly all calculation you ever need. Amazing Calculator's philosophy is simple: "Make it fast and easy to edit" ***** And yeah, you can add constants of your own!!! No need to type all those constants all over again every single time you make a calculation!!!!!!!!! ****** All the main features of Amazing Calculator is one click or one swipe away: - Functions panel in the left sidebar - Constants panel in the left sidebar - History panel in the right sidebar - Bookmarks panel in the right sidebar - Don't forget to rotate the device to landscape to access more functionalities
Solves
A powerful and versatile calculator for all your Apple devices. Edit complex expressions, sync history across devices, and enjoy a clean, ad-free experience. Unlock advanced features like unit conversion and fraction support with an optional upgrade.
- Edit expressions without limitations
- Instant results
- Sync calculation history across devices
- Unit conversion (currencies, physical units)
- Fraction support
- Customizable themes
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Solves is a well-made calculator app for your iPhone, iPad, Mac, and Apple Watch. It allows you to edit expressions without limitations and get instant results. It keeps your calculation history in sync on all devices and lets you to easily interact with it. All this for free and without ads! By purchasing Solves+ you also get: • Unit Conversions: currencies (with crypto, metals & energy), physical units, and your own! • History Tools: comment, bookmark, export, auto clear, and more • Fractions • More Themes • Advanced Settings Hand-typed code. No generative AI was used during the development or by the app itself. Solves+ requires one payment only. You will own it forever on all devices.
Screenshots
Verdict
The clearest difference is update cadence: Solves at every 3 weeks against Amazing Calculator's every 51 months. Solves also leads on ratings volume (381 vs 5) and device support (5 vs 3). Amazing Calculator's advantage is monetization model (free vs free with in-app purchases) and review sentiment (100% vs 91%). On price, rating, ads and in-app purchases 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. Amazing Calculator sells 1 one-off in-app purchase and Solves sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for Amazing Calculator against 4.9 for Solves. That said, the two scores are not equally well evidenced: Solves has 381 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 100% of Amazing Calculator's written reviews are positive against 91% of Solves's.
Amazing Calculator ships an update every 51 months, Solves every 3 weeks. The most recent releases landed on June 5, 2026 and September 19, 2026 respectively.
| Parameter | Amazing Calculator | Solves |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | 4.9 (381 ratings) |
| Positive reviews | 100.0% of reviews — better | 90.6% of reviews |
| Number of ratings | 5 | 381 — better |
| Update frequency | Every 51 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac, Apple Watch — better |
| Requires iOS | 12.0 — better | 15 |
| Further details — not scored | ||
| Size | 10 MB | 82 MB |
| Age rating | 4+ | 4+ |
| Developer | Tung Vu | Oleg Barinov |
Customer experience
Amazing Calculator
Solves
Bugs and requests
Amazing Calculator
Not enough reviews yet to summarise bugs or requests.
Solves
Reported bugs
4 issues- Crashes when pressing certain buttons
- Issues with parsing complex expressions
- Incorrect results for some calculations
- Problems with history clearing or syncing
Requested features
6 requests- Add support for fractions and mixed numbers
- Implement a widget for quick access
- Allow resizing the app window on Mac
- Provide more customization options
- Add support for Apple Watch
Show 1 moreShow fewer
- Improve unit conversion experience
In-app purchases
Amazing Calculator
- Constant Pack$0.99
Solves
- Tip Option #1$0.99
- Tip Option #2$1.99
- Tip Option #3$4.99
Show 3 moreShow fewer
- Tip Option #4$9.99
- Solves+$9.99
- Tip Option #5$19.99
Questions
Is Amazing Calculator free?
Is Solves free?
Which has better reviews, Amazing Calculator or Solves?
Do Amazing Calculator or Solves have ads?
Which is updated more often, Amazing Calculator or Solves?
Other comparisons
