# Digital Clock vs HELIX AIRPURIFIER

The clearest difference is in-app purchases: HELIX AIRPURIFIER at none against Digital Clock's 1. HELIX AIRPURIFIER also leads on iOS requirement (15.6 vs 17). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Digital Clock sells 1 one-off in-app purchase. HELIX AIRPURIFIER asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 22, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Digital Clock | HELIX AIRPURIFIER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (1.3K ratings)](https://appshunter.io/ios/app/digital-clock-bedside-widget/id1505334122/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 52.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 22 MB |
| Requires iOS | 17 | **15.6** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Applorium Ltd](https://appshunter.io/developer/1688522804) | [Hale-is s.r.o](https://appshunter.io/developer/1574932753) |

## What reviewers say

### Digital Clock

[App page](https://appshunter.io/ios/app/digital-clock-bedside-widget/id1505334122)

This app provides a clear and attractive LED digital clock display. It's ideal for use on a nightstand or desk, offering customizable options for time format and visibility of weekdays and dates.

**Highlights:** Beautiful LED digital display, 12/24 hour mode switching, Show/hide weekdays, Show/hide date

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $2.99 | one-time |

**What reviewers like**

- 👍 Simple and clean design
- 🚀 Fast and responsive
- 💡 Potential for customization (font, background)
- 👍 Useful for specific use cases (e.g., pool clock)

**What reviewers complain about**

- 🐛 Time display issues (24-hour format, incorrect time)
- 💰 Paid features that should be free (color customization)
- 🐛 Widget issues (only shows military time)
- 🔍 Lack of advanced features (alarms, weather)

**Reported bugs**

- Time display issues
- Widget only shows military time
- Inconsistent behavior with background images

**Requested features**

- Add alarm functionality
- Improve widget customization options
- Allow changing time format (12-hour vs. 24-hour)
- Introduce more free customization options
- Add weather information display


### HELIX AIRPURIFIER

[App page](https://appshunter.io/ios/app/helix-airpurifier/id1602990209)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Digital Clock free?

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

### Is HELIX AIRPURIFIER free?

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

### Do Digital Clock or HELIX AIRPURIFIER have ads?

Neither Digital Clock nor HELIX AIRPURIFIER shows ads.

### Which is updated more often, Digital Clock or HELIX AIRPURIFIER?

Digital Clock ships an update every 3 weeks, and HELIX AIRPURIFIER every 3 weeks. Most recently, Digital Clock was updated on October 22, 2026 and HELIX AIRPURIFIER on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*