# DayCalc vs Calculator Smart

DayCalc and Calculator Smart both sit at 4.7 stars, but that hides the real split: 87% of DayCalc's written reviews are positive against 36% of Calculator Smart's. DayCalc also leads on update cadence (every 3 weeks vs every 4 months). Calculator Smart's advantage is device support (6 vs 4) and ratings volume (494 vs 126). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. DayCalc sells 4 one-off in-app purchases and Calculator Smart 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 — 4.7 for DayCalc against 4.7 for Calculator Smart. Both are backed by a comparable volume of ratings — 126 and 494 respectively. Written reviews are what separate them: 87% of DayCalc's written reviews are positive against 36% of Calculator Smart's.

DayCalc ships an update every 3 weeks, Calculator Smart every 4 months. The most recent releases landed on October 17, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | DayCalc | Calculator Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (126 ratings)](https://appshunter.io/ios/app/daycalc-note-calculator/id661506264/reviews) | [4.7 (494 ratings)](https://appshunter.io/ios/app/calculator-smart/id698030968/reviews) |
| Number of ratings | 126 | **494** |
| Positive reviews | **87.2% of reviews** | 36.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 170 MB | 24 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod, Apple Watch | **iPhone, iPad, iPod, Mac, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [良峰 侯](https://appshunter.io/developer/654444245) | [Miroslav Otsedarski](https://appshunter.io/developer/450091139) |

## 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


### Calculator Smart

[App page](https://appshunter.io/ios/app/calculator-smart/id698030968)

This app offers a powerful and precise calculator for everyday math and advanced scientific computations. It features a clean interface with large buttons, supporting complex equations, multiple modes, and intuitive input methods. Personalize your experience with colorful skins and custom icons.

**Highlights:** 30+ scientific operations, Degrees and Radians support, Parentheses and nested equations, Intuitive input with slide-to-delete, Copy & Paste results, Apple Watch app and Lock Screen Widget, Colorful skins and custom icons

**Features:** Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Colorful Skins and Remove Ads | $1.99 | one-time |
| Colorful Skins | $1.99 | one-time |
| Colorful Skins for Mac app | $1.99 | one-time |


## Frequently asked questions

### Is DayCalc free?

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

### Is Calculator Smart free?

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

### Which has better reviews, DayCalc or Calculator Smart?

DayCalc and Calculator Smart are both rated 4.7 out of 5 on the App Store, from 126 and 494 ratings respectively.

### Do DayCalc or Calculator Smart have ads?

Both DayCalc and Calculator Smart show ads.

### Which is updated more often, DayCalc or Calculator Smart?

DayCalc ships an update every 3 weeks, and Calculator Smart every 4 months. Most recently, DayCalc was updated on October 17, 2026 and Calculator Smart on October 20, 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.*