# Calculator° HD vs Oplev Greve

The clearest difference is update cadence: Oplev Greve at every 4 months against Calculator° HD's every 74 months. Oplev Greve also leads on device support (3 vs 1). Calculator° HD's advantage is iOS requirement (9.0 vs 15.1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calculator° HD ships an update every 74 months, Oplev Greve every 4 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calculator° HD | Oplev Greve |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calculator-hd/id590208623/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 74 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 20 MB | 22 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [宗明 杨](https://appshunter.io/developer/854194764) | [MGH-KultuNaut aps](https://appshunter.io/developer/505455512) |

## What reviewers say

### Calculator° HD

[App page](https://appshunter.io/ios/app/calculator-hd/id590208623)

This utility app offers a user-friendly and aesthetically pleasing calculator experience specifically designed for iPads. It supports handwriting input and includes a range of scientific functions for complex calculations.

**Highlights:** Handwriting support, Scientific functions, iPad optimized design, User-friendly interface, Aesthetic design

**In-app purchases:** none


### Oplev Greve

[App page](https://appshunter.io/ios/app/oplev-greve/id796016410)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator° HD free?

Calculator° HD is free to download, with no in-app purchases.

### Is Oplev Greve free?

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

### Do Calculator° HD or Oplev Greve have ads?

Neither Calculator° HD nor Oplev Greve shows ads.

### Which is updated more often, Calculator° HD or Oplev Greve?

Calculator° HD ships an update every 74 months, and Oplev Greve every 4 months. Most recently, Calculator° HD was updated on October 23, 2026 and Oplev Greve on October 24, 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.*