# Happiness Mug vs OpticHUD

The clearest difference is price: Happiness Mug at Free against OpticHUD's $5.99. Happiness Mug also leads on iOS requirement (12.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Happiness Mug is free to download; OpticHUD costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Happiness Mug ships an update monthly, OpticHUD every 6 weeks. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Happiness Mug | OpticHUD |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | **[1.0 (4 ratings)](https://appshunter.io/ios/app/happiness-mug/id6739160899/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 35 MB | 3 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [水金 陈](https://appshunter.io/developer/1634599571) | [MACGUINES JAMES SILLIN](https://appshunter.io/developer/1882847842) |

## What reviewers say

### Happiness Mug

[App page](https://appshunter.io/ios/app/happiness-mug/id6739160899)

Control your smart mug's water temperature with customizable settings. Connect and manage your device, and provide feedback to customer support.

**Highlights:** Smart mug temperature control, Customizable temperature settings, Device connection and management, After-sales service feedback

**Features:** macOS Compatibility

**In-app purchases:** none


### OpticHUD

[App page](https://appshunter.io/ios/app/optichud/id6760141582)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Happiness Mug free?

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

### Is OpticHUD free?

OpticHUD costs $5.99, with no in-app purchases.

### Do Happiness Mug or OpticHUD have ads?

Neither Happiness Mug nor OpticHUD shows ads.

### Which is updated more often, Happiness Mug or OpticHUD?

Happiness Mug ships an update monthly, and OpticHUD every 6 weeks. Most recently, Happiness Mug was updated on October 2, 2026 and OpticHUD on October 6, 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.*