# Calc vs G Parking Management

The clearest difference is rating: G Parking Management at 5.0 against Calc's 3.9. G Parking Management also leads on in-app purchases (none vs 2). Calc's advantage is ratings volume (28 vs 1) and iOS requirement (15.6 vs 18.0). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. Calc sells 2 in-app purchases, starting at $0.99 per month. G Parking Management asks for nothing beyond the download.

G Parking Management holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Calc has 28 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 22, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Calc | G Parking Management |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (28 ratings)](https://appshunter.io/ios/app/calc/id285807159/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/g-parking-management/id1440072836/reviews)** |
| Number of ratings | **28** | 1 |
| Positive reviews | 80.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Size | 1 MB | 8 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mike Wesemann](https://appshunter.io/developer/285807162) | [G Parking Inc](https://appshunter.io/developer/1440072826) |

## What reviewers say

### Calc

[App page](https://appshunter.io/ios/app/calc/id285807159)

A visually appealing and straightforward calculator app for iPhone and iPad. It offers a unique user interface with support for basic and scientific calculations, various number base conversions, and currency and unit conversions.

**Highlights:** Universal app for iPhone and iPad, Basic and scientific calculations, Number base conversions (decimal, hex, binary, octal), Currency and unit conversions, Scrollable calculation history, 10 color themes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calc Pro | $0.99 | per month |
| Calc Pro | $4.99 | per year |

**What reviewers like**

- 🚀 Free app
- 👍 Simple and easy to use
- 📜 Tape/history feature
- 🎨 Customizable colors
- 📤 Ability to email calculations

**What reviewers complain about**

- 🐛 Crashes or freezes on some devices
- 🔊 Annoying key click sounds
- 📜 Scrolling to see recent calculations
- 🔍 Overcrowded interface with too many functions

**Reported bugs**

- Percentage calculations not working correctly
- Cos 90 showing incorrect result

**Requested features**

- Copy and paste support
- Larger buttons for easier use
- Ability to clear calculation history
- Auto-insert previous result when using operators
- Landscape mode support


### G Parking Management

[App page](https://appshunter.io/ios/app/g-parking-management/id1440072836)

This app provides G parking operators and clients with live operational status and daily revenue overviews. It requires a contract with G Parking Inc for authorization.

**Highlights:** Live operation status, Daily revenue overview, Operator and client access, Contract-based authorization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calc free?

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

### Is G Parking Management free?

G Parking Management is free to download, with no in-app purchases.

### Which has better reviews, Calc or G Parking Management?

G Parking Management is rated higher. Calc averages 3.9 out of 5 from 28 ratings, while G Parking Management averages 5.0 from 1 ratings.

### Do Calc or G Parking Management have ads?

Neither Calc nor G Parking Management shows ads.

### Which is updated more often, Calc or G Parking Management?

Calc ships an update every 2 months, and G Parking Management every 2 months. Most recently, Calc was updated on October 22, 2026 and G Parking Management on October 29, 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.*