# Solves vs Acute Calculator

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.

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.

## The numbers

| Metric | Solves | Acute Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (382 ratings)](https://appshunter.io/ios/app/solves-calculator-for-all/id1394359548/reviews) | **[4.9 (116 ratings)](https://appshunter.io/ios/app/acute-calculator/id6476837563/reviews)** |
| Number of ratings | **382** | 116 |
| Positive reviews | 90.6% of reviews | **94.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 82 MB | 16 MB |
| Requires iOS | **15** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oleg Barinov](https://appshunter.io/developer/1394359547) | [Find App, Inc.](https://appshunter.io/developer/1666757711) |

## What reviewers say

### Solves

[App page](https://appshunter.io/ios/app/solves-calculator-for-all/id1394359548)

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.

**Highlights:** Edit expressions without limitations, Instant results, Sync calculation history across devices, Unit conversion (currencies, physical units), Fraction support, Customizable themes

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip Option #1 | $0.99 | one-time |
| Tip Option #2 | $1.99 | one-time |
| Tip Option #3 | $4.99 | one-time |
| Tip Option #4 | $9.99 | one-time |
| Solves+ | $9.99 | one-time |
| Tip Option #5 | $19.99 | one-time |

**What reviewers like**

- 👍 Excellent calculator app
- 🚀 Smooth and responsive
- 🔒 No ads or data collection
- 💡 Useful features like history, comments, and unit conversions
- 👍 Clean and intuitive design

**What reviewers complain about**

- 🐛 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

**Reported bugs**

- Crashes when pressing certain buttons
- Issues with parsing complex expressions
- Incorrect results for some calculations
- Problems with history clearing or syncing

**Requested features**

- 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


### Acute Calculator

[App page](https://appshunter.io/ios/app/acute-calculator/id6476837563)

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.

**Highlights:** Visual editor, 30+ functions supported, History tape, Store variables, Intuitive palette system

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Acute Plus Limited-Time Offer | $3.49 | one-time |
| Acute Plus (For Students) | $4.99 | one-time |
| Acute Plus (One Time) | $6.99 | one-time |

**What reviewers like**

- ✨ Beautiful and artistic design
- 🚀 Advanced functionality beyond default
- 👍 Smooth animations and transitions
- 💡 Intuitive and user-friendly interface
- ✅ Replaces default calculator effectively

**What reviewers complain about**

- 🐛 Animation lag in history
- 🤔 Graph lacks numbers/functional purpose
- 💸 Calculus functions require payment
- ❓ Discount button crashes app
- 🐞 UI bugs and animations

**Reported bugs**

- 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

**Requested features**

- 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


## Frequently asked questions

### Is Solves free?

Solves is free to download, with in-app purchases available.

### Is Acute Calculator free?

Acute Calculator is free to download, with in-app purchases available.

### Which has better reviews, Solves or Acute Calculator?

Acute Calculator is rated higher. Solves averages 4.9 out of 5 from 382 ratings, while Acute Calculator averages 4.9 from 116 ratings.

### Do Solves or Acute Calculator have ads?

Neither Solves nor Acute Calculator shows ads.

### Which is updated more often, Solves or Acute Calculator?

Solves ships an update every 3 weeks, and Acute Calculator every 2 days. Most recently, Solves was updated on October 15, 2026 and Acute Calculator on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*