Solves vs Acute Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Acute Calculator
This advanced graphing calculator offers a visual editor and supports over 30 functions. It includes features like a history tape, variable storage, and an intuitive palette system for complex calculations.
- Visual editor
- 30+ functions supported
- History tape
- Store variables
- Intuitive palette system
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+ Easy to use visual editor + Supports 30+ functions + Intuitive palette system + Comes with history tape + Store variables for later + No ads or subscriptions Terms of Use: https://acutecalc.app/terms Privacy Policy: https://acutecalc.app/privacy
Screenshots
Verdict
The clearest difference is update cadence: Acute Calculator at every 2 days against Solves's every 3 weeks. Solves's advantage is device support (5 vs 2) and ratings volume (382 vs 116). On price, rating, review sentiment 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. Solves sells 6 one-off in-app purchases and Acute Calculator sells 3 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 — 4.9 for Solves against 4.9 for Acute Calculator. Both are backed by a comparable volume of ratings — 382 and 116 respectively. Written reviews are what separate them: 91% of Solves's written reviews are positive against 95% of Acute Calculator's.
Solves ships an update every 3 weeks, Acute Calculator every 2 days. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.
| Parameter | Solves | Acute Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (382 ratings) | 4.9 (116 ratings) — better |
| Positive reviews | 90.6% of reviews | 94.9% of reviews — better |
| Number of ratings | 382 — better | 116 |
| Update frequency | Every 3 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod, Mac, Apple Watch — better | iPhone, iPad |
| Requires iOS | 15 — better | 16.0 |
| Further details — not scored | ||
| Size | 82 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Oleg Barinov | Find App, Inc. |
Customer experience
Solves
Acute Calculator
User reviews
Solves
From 382 App Store ratingsWhat we love
- 👍 Excellent calculator app
- 🚀 Smooth and responsive
- 🔒 No ads or data collection
- 💡 Useful features like history, comments, and unit conversions
- 👍 Clean and intuitive design
Room to improve
- 🐛 Occasional crashes or bugs after updates
- 🐛 Issues with certain mathematical operations
- 🐛 Family sharing not working properly
- 🐛 Lag or performance issues on some devices
- 💡 Desire for more advanced features like fractions, base conversions
Acute Calculator
From 116 App Store ratingsWhat we love
- ✨ Beautiful and artistic design
- 🚀 Advanced functionality beyond default
- 👍 Smooth animations and transitions
- 💡 Intuitive and user-friendly interface
- ✅ Replaces default calculator effectively
Room to improve
- 🐛 Animation lag in history
- 🤔 Graph lacks numbers/functional purpose
- 💸 Calculus functions require payment
- ❓ Discount button crashes app
- 🐞 UI bugs and animations
Bugs and 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
Acute Calculator
Reported bugs
6 issues- Animation and UI bugs
- Discount button crashes app
- Animation lags and skips when sliding down history
- Calculations are incorrect
- Does not follow correct order of operations
Show 1 moreShow fewer
- Transition for history is slow
Requested features
11 requests- Make app icon simpler/restrained
- Add units to graph
- Allow press and hold on graph lines for values
- Support Korean language
- Display commas while entering numbers
Show 6 moreShow fewer
- Double-tap to recenter graph interface
- Ability to solve for a variable
- Dedicated button for +/-
- Option to pin in control center
- Make comma separator format selectable
- Improve app icon design
In-app purchases
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
Acute Calculator
- Acute Plus Limited-Time Offer$3.49
- Acute Plus (For Students)$4.99
- Acute Plus (One Time)$6.99
