# EZ Adder vs Calculator Smart

EZ Adder and Calculator Smart both sit at 4.8 stars, but that hides the real split: 86% of EZ Adder's written reviews are positive against 36% of Calculator Smart's. EZ Adder also leads on in-app purchases (none vs 3) and ads (none vs shown). Calculator Smart's advantage is device support (6 vs 3) and ratings volume (494 vs 152). On price, rating and update cadence there is nothing between them.

Both are free to download. Calculator Smart sells 3 one-off in-app purchases. EZ Adder asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for EZ Adder against 4.7 for Calculator Smart. Both are backed by a comparable volume of ratings — 152 and 494 respectively. Written reviews are what separate them: 86% of EZ Adder's written reviews are positive against 36% of Calculator Smart's.

EZ Adder ships an update every 2 months, Calculator Smart every 4 months. The most recent releases landed on October 4, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | EZ Adder | Calculator Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (152 ratings)](https://appshunter.io/ios/app/ez-adder/id372954097/reviews)** | [4.7 (494 ratings)](https://appshunter.io/ios/app/calculator-smart/id698030968/reviews) |
| Number of ratings | 152 | **494** |
| Positive reviews | **86.0% of reviews** | 36.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 24 MB |
| Requires iOS | **10.3** | 13.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Robert Wohnoutka](https://appshunter.io/developer/372954100) | [Miroslav Otsedarski](https://appshunter.io/developer/450091139) |

## What reviewers say

### EZ Adder

[App page](https://appshunter.io/ios/app/ez-adder/id372954097)

This app provides a basic calculator with an electronic paper tape to track and correct entries. It offers six independent calculators with custom colors, a large keyboard, and a decimal slider. It also features an enhanced percentage key for discounts, tips, and sales tax calculations, with the ability to email results.

**Highlights:** Electronic paper tape for all entries, Correct or delete entries easily, Six independent calculators, Enhanced percentage key for discounts, tips, and tax, Email results as formatted reports, Customizable colors and keyboard

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 💡 Exports tape, no line limit
- 👍 Large numbers for easy input
- 💡 Keeps calculation history for review/editing
- 💡 Multiple calculators available

**What reviewers complain about**

- ❓ Graphics need improvement
- ❓ Design remodel needed
- ❓ Some users prefer previous versions
- 🐛 Crashes on older devices (iPad1 with OS 5.1.1)

**Reported bugs**

- Crashes on iPad1 with OS 5.1.1

**Requested features**

- Add text to line items
- More eye-friendly colors
- Adjust options for number ranges (e.g., 1 to 3)
- Instructions for details
- Label expenditures and income with running totals


### 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 EZ Adder free?

EZ Adder is free to download, with no in-app purchases.

### Is Calculator Smart free?

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

### Which has better reviews, EZ Adder or Calculator Smart?

EZ Adder is rated higher. EZ Adder averages 4.8 out of 5 from 152 ratings, while Calculator Smart averages 4.7 from 494 ratings.

### Do EZ Adder or Calculator Smart have ads?

Calculator Smart shows ads; EZ Adder does not.

### Which is updated more often, EZ Adder or Calculator Smart?

EZ Adder ships an update every 2 months, and Calculator Smart every 4 months. Most recently, EZ Adder was updated on October 4, 2026 and Calculator Smart on October 11, 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.*