# Calculator Easy HD vs Hourglass

The clearest difference is price: Hourglass at Free against Calculator Easy HD's $0.99. Hourglass also leads on in-app purchases (none vs 7). Calculator Easy HD's advantage is device support (4 vs 1) and iOS requirement (15.0 vs 17.0). On update cadence and ads there is nothing between them.

Hourglass is free to download; Calculator Easy HD costs $0.99 up front. Calculator Easy HD sells 7 one-off in-app purchases. Hourglass asks for nothing beyond the download.

Calculator Easy HD ships an update every 6 weeks, Hourglass every 2 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Calculator Easy HD | Hourglass |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.8 (1.2K ratings)](https://appshunter.io/ios/app/calculator-easy-hd/id448246366/reviews)** | — |
| Number of ratings | **1.2K** | — |
| Positive reviews | 94.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [良峰 侯](https://appshunter.io/developer/654444245) | [devbylabs](https://appshunter.io/developer/1875238841) |

## What reviewers say

### Calculator Easy HD

[App page](https://appshunter.io/ios/app/calculator-easy-hd/id448246366)

This app offers a user-friendly calculator experience with a focus on ease of use. It features a live voice input, an ergonomic layout with large keys, and a usage history for quick reference. Results can be easily copied or emailed.

**Highlights:** Live voice calculator, Ergonomic key layout, Extra large '+' key, Usage record, Copy & send results, Dark Mode support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fashion Theme Pack 1 | $0.99 | one-time |
| Season Theme Pack 1 | $0.99 | one-time |
| Fashion Theme Pack 2 | $0.99 | one-time |
| Festivals Theme Pack 1 | $0.99 | one-time |
| Bird Theme Pack 1 | $0.99 | one-time |
| Fashion Theme Pack 3 | $0.99 | one-time |
| Insects Theme Pack 1 | $0.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 👍 Helpful paper tape feature
- 👍 Attractive and clear interface
- 👍 Reliable and accurate calculations
- 👍 Great for everyday calculations

**What reviewers complain about**

- 🐛 Compatibility issues with latest iOS updates
- 🐛 Occasional crashes or bugs
- 🔋 High battery consumption
- 💰 Potential hidden costs or in-app purchases

**Reported bugs**

- Unable to update app to latest version
- Buttons not responding after clearing entries
- Calculations not displaying properly

**Requested features**

- Add scientific calculator functions
- Improve editing capabilities for incorrect entries
- Provide more customization options
- Implement a dark mode theme


### Hourglass

[App page](https://appshunter.io/ios/app/hourglass-3d-sand-timer/id6804570250)

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Easy HD free?

Calculator Easy HD costs $0.99, and also offers in-app purchases.

### Is Hourglass free?

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

### Do Calculator Easy HD or Hourglass have ads?

Neither Calculator Easy HD nor Hourglass shows ads.

### Which is updated more often, Calculator Easy HD or Hourglass?

Calculator Easy HD ships an update every 6 weeks, and Hourglass every 2 months. Most recently, Calculator Easy HD was updated on November 5, 2026 and Hourglass 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.*