# DayCalc vs Solves

The clearest difference is ads: Solves at none against DayCalc's shown. Solves also leads on rating (4.9 vs 4.7) and ratings volume (381 vs 126). DayCalc's advantage is iOS requirement (13.0 vs 15). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. DayCalc sells 4 one-off in-app purchases and Solves sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Solves holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 126 and 381 respectively. Written reviews point the same way: 87% of DayCalc's written reviews are positive against 91% of Solves's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 25, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | DayCalc | Solves |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (126 ratings)](https://appshunter.io/ios/app/daycalc-note-calculator/id661506264/reviews) | **[4.9 (381 ratings)](https://appshunter.io/ios/app/solves-calculator-for-all/id1394359548/reviews)** |
| Number of ratings | 126 | **381** |
| Positive reviews | 87.2% of reviews | **90.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 170 MB | 82 MB |
| Requires iOS | **13.0** | 15 |
| Devices | iPhone, iPad, iPod, Apple Watch | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [良峰 侯](https://appshunter.io/developer/654444245) | [Oleg Barinov](https://appshunter.io/developer/1394359547) |

## What reviewers say

### DayCalc

[App page](https://appshunter.io/ios/app/daycalc-note-calculator/id661506264)

This app combines a powerful calculator with a comprehensive unit converter. It offers standard, scientific, and fraction calculations, along with over 600 units across 20 categories. Users can customize units, add notes to calculations, and enjoy a visually appealing interface with multiple themes.

**Highlights:** Standard, scientific, and fraction calculator, Live voice calculator, Add notes to calculations, Over 600 units in 20 categories, Custom unit creation, Automatic currency exchange rate updates, 50+ themes and dark mode support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Constants Pack | $0.99 | one-time |
| Custom Unit Pack | $1.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Complete Pack | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use and convenient
- 💯 All-in-one calculator with multiple functions
- ✨ Customizable themes and backgrounds
- 🧮 Supports fraction calculations
- 📈 History and memory functions available

**What reviewers complain about**

- ⚠️ Ads can be intrusive
- 🐛 Some users experience update issues
- ❌ Weight conversions not always available
- 🔊 Unwanted sound effects
- ❓ Ad-free cost unclear for cross-platform

**Reported bugs**

- Update issues, stuck in update loop
- Cannot install after removal
- Weight conversion not showing
- Keys making sound unexpectedly
- App not working after professional version update

**Requested features**

- Add Pi button
- Improve currency conversion navigation
- iCloud support for syncing across devices
- Add background running feature
- Ability to change app icon


### 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


## Frequently asked questions

### Is DayCalc free?

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

### Is Solves free?

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

### Which has better reviews, DayCalc or Solves?

Solves is rated higher. DayCalc averages 4.7 out of 5 from 126 ratings, while Solves averages 4.9 from 381 ratings.

### Do DayCalc or Solves have ads?

DayCalc shows ads; Solves does not.

### Which is updated more often, DayCalc or Solves?

DayCalc ships an update every 3 weeks, and Solves every 3 weeks. Most recently, DayCalc was updated on September 25, 2026 and Solves on September 19, 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.*