# ProCalc vs EnterCalc

The clearest difference is in-app purchases: EnterCalc at none against ProCalc's 4. EnterCalc also leads on ads (none vs shown). ProCalc's advantage is update cadence (monthly vs every 4 months) and iOS requirement (13.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. ProCalc sells 4 one-off in-app purchases. EnterCalc asks for nothing beyond the download.

ProCalc ships an update monthly, EnterCalc every 4 months. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ProCalc | EnterCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 4 months |
| Size | 34 MB | 9 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Penquinzoo Limited](https://appshunter.io/developer/1551454365) | [Tipli AI, LLC](https://appshunter.io/developer/1896375739) |

## 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 |


### EnterCalc

[App page](https://appshunter.io/ios/app/entercalc/id6777242723)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ProCalc free?

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

### Is EnterCalc free?

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

### Do ProCalc or EnterCalc have ads?

ProCalc shows ads; EnterCalc does not.

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

ProCalc ships an update monthly, and EnterCalc every 4 months. Most recently, ProCalc was updated on October 19, 2026 and EnterCalc on October 25, 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.*