# Calculator Plug vs ShadowCalc

The clearest difference is ratings volume: ShadowCalc at 22 against Calculator Plug's 1. Calculator Plug's advantage is iOS requirement (15.1 vs 26.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Calculator Plug sells 4 in-app purchases, starting at $5.99 per month and ShadowCalc 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 — 5.0 for Calculator Plug against 5.0 for ShadowCalc. That said, the two scores are not equally well evidenced: ShadowCalc has 22 ratings behind it against 1, so its average is the more settled of the two.

Calculator Plug ships an update every 4 days, ShadowCalc weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Calculator Plug | ShadowCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calculator-plug/id6775307587/reviews)** | [5.0 (22 ratings)](https://appshunter.io/ios/app/shadowcalc-phantom-calculator/id6788065061/reviews) |
| Number of ratings | 1 | **22** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 34 MB | 27 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mark Gabrielli](https://appshunter.io/developer/6775036752) | [Ahmed Aslam Juvale](https://appshunter.io/developer/6788065063) |

## What reviewers say

### Calculator Plug

[App page](https://appshunter.io/ios/app/calculator-plug/id6775307587)

Access over 450 specialized calculators for construction, finance, health, trades, and more. This app offers a clean, offline-capable interface for quick, accurate calculations without intrusive ads.

**Highlights:** 450+ searchable calculators, Offline functionality, Clean dark interface, Construction calculators, Finance calculators, Health and fitness calculators, Trades calculators

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |
| Pro+ Monthly | $9.99 | per month |
| Pro Lifetime | $29.99 | one-time |
| Pro+ Lifetime | $44.99 | one-time |


### ShadowCalc

[App page](https://appshunter.io/ios/app/shadowcalc-phantom-calculator/id6788065061)

Calculate in style with this persona-inspired calculator app. It offers unique themes, customizable icons, and haptic feedback, all with hand-drawn assets.

**Highlights:** Persona-inspired themes, Customizable icons, Haptic feedback, Unique hand-drawn assets, Multiple theme support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Level 1 Tip | $0.99 | one-time |
| Level 2 Tip | $2.99 | one-time |
| Level 10 Tip | $9.99 | one-time |


## Frequently asked questions

### Is Calculator Plug free?

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

### Is ShadowCalc free?

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

### Which has better reviews, Calculator Plug or ShadowCalc?

Calculator Plug is rated higher. Calculator Plug averages 5.0 out of 5 from 1 ratings, while ShadowCalc averages 5.0 from 22 ratings.

### Do Calculator Plug or ShadowCalc have ads?

Neither Calculator Plug nor ShadowCalc shows ads.

### Which is updated more often, Calculator Plug or ShadowCalc?

Calculator Plug ships an update every 4 days, and ShadowCalc weekly. Most recently, Calculator Plug was updated on October 31, 2026 and ShadowCalc on October 31, 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.*