# iCalculator vs Shutter

The clearest difference is in-app purchases: Shutter at none against iCalculator's 1. Shutter also leads on update cadence (daily vs every 9 days) and price ($0.99 vs $1.99). iCalculator's advantage is review sentiment (76% vs 50%) and rating (5.0 vs 4.8). On ratings volume, ads, device support and iOS requirement there is nothing between them.

iCalculator costs $1.99 and Shutter $0.99 up front. iCalculator sells 1 in-app purchase, starting at $0.49 per month. Shutter asks for nothing beyond the download.

iCalculator holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 76% of iCalculator's written reviews are positive against 50% of Shutter's.

iCalculator ships an update every 9 days, Shutter daily. Both last shipped on September 8, 2026.

## The numbers

| Metric | iCalculator | Shutter |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/icalculator-keyboard-calc/id1176527512/reviews)** | [4.8 (5 ratings)](https://appshunter.io/ios/app/shutter-speed-angle/id1553718420/reviews) |
| Number of ratings | 3 | **5** |
| Positive reviews | **76.2% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Daily** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 6 MB | 0 MB |
| Requires iOS | **13.0** | 13.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Nan Chao](https://appshunter.io/developer/965680403) | [Anna Koynova](https://appshunter.io/developer/1441894484) |

## What reviewers say

### iCalculator

[App page](https://appshunter.io/ios/app/icalculator-keyboard-calc/id1176527512)

This app offers a powerful and intuitive calculator experience, featuring both basic and scientific functions. It calculates results instantly as you type and allows for easy editing and history management. Customize your experience with themes and integrate it seamlessly as a keyboard or Today Widget.

**Highlights:** Instant calculation without '=' button, Basic & Scientific Calculator, Fraction & Expression Calculator, History List with iCloud sync, Customizable themes, Keyboard extension for any app, Today Widget support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.49 | per month |


### Shutter

[App page](https://appshunter.io/ios/app/shutter-speed-angle/id1553718420)

This utility app converts shutter speed to shutter angle and vice versa. It helps match exposure lengths between different cameras and frame rates, ensuring consistent visual results.

**Highlights:** Shutter speed to shutter angle conversion, Shutter angle to shutter speed conversion, Match exposure between cameras, Supports different frame rates, Simple and intuitive interface

**In-app purchases:** none


## Frequently asked questions

### Is iCalculator free?

iCalculator costs $1.99, and also offers in-app purchases.

### Is Shutter free?

Shutter costs $0.99, with no in-app purchases.

### Which has better reviews, iCalculator or Shutter?

iCalculator is rated higher. iCalculator averages 5.0 out of 5 from 3 ratings, while Shutter averages 4.8 from 5 ratings.

### Do iCalculator or Shutter have ads?

Neither iCalculator nor Shutter shows ads.

### Which is updated more often, iCalculator or Shutter?

iCalculator ships an update every 9 days, and Shutter daily. Most recently, iCalculator was updated on September 8, 2026 and Shutter on September 8, 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.*