# ProCalc vs ShadowCalc

The clearest difference is ads: ShadowCalc at none against ProCalc's shown. ShadowCalc also leads on update cadence (weekly vs monthly). ProCalc's advantage is iOS requirement (13.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. ProCalc sells 4 one-off in-app purchases and ShadowCalc sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ProCalc ships an update monthly, ShadowCalc weekly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ProCalc | ShadowCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (22 ratings)](https://appshunter.io/ios/app/shadowcalc-phantom-calculator/id6788065061/reviews)** |
| Number of ratings | — | **22** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 27 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Penquinzoo Limited](https://appshunter.io/developer/1551454365) | [Ahmed Aslam Juvale](https://appshunter.io/developer/6788065063) |

## What reviewers say

### ProCalc

[App page](https://appshunter.io/ios/app/procalc-calculator-app/id6756341509)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Flat themes | $3.99 | one-time |
| Graphs and pdf export. | $3.99 | one-time |
| Unlock Neon themes | $4.99 | one-time |
| All  themes | $4.99 | 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 ProCalc free?

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

### Is ShadowCalc free?

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

### Do ProCalc or ShadowCalc have ads?

ProCalc shows ads; ShadowCalc does not.

### Which is updated more often, ProCalc or ShadowCalc?

ProCalc ships an update monthly, and ShadowCalc weekly. Most recently, ProCalc was updated on October 28, 2026 and ShadowCalc on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*