# Quindecuple Calc vs Digital Clock

The clearest difference is ads: Digital Clock at none against Quindecuple Calc's shown. Digital Clock also leads on update cadence (every 5 days vs every 2 weeks). Quindecuple Calc's advantage is iOS requirement (15.8.3 vs 18.1). On price, in-app purchases and device support there is nothing between them.

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

Quindecuple Calc ships an update every 2 weeks, Digital Clock every 5 days. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Quindecuple Calc | Digital Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/digital-clock-led-retro/id6752945434/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | — | Free |
| Size | 36 MB | 4 MB |
| Requires iOS | **15.8.3** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [SeungJun Lee](https://appshunter.io/developer/1435485286) |

## What reviewers say

### Quindecuple Calc

[App page](https://appshunter.io/ios/app/quindecuple-calc/id6742271873)

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

**In-app purchases:** none


### Digital Clock

[App page](https://appshunter.io/ios/app/digital-clock-led-retro/id6752945434)

Transform your device into a retro LED digital clock with a dot matrix design. Offers multiple time formats, vibrant color options, and a full-screen display. Ideal for bedside tables, desks, or any space needing an elegant timepiece.

**Highlights:** Authentic dot matrix design, Multiple time formats (12/24 hr, seconds on/off), 6 vibrant LED color options, Full-screen display, Optimized for all iPhones and iPads, Simple tap-to-access settings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Quindecuple Calc free?

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

### Is Digital Clock free?

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

### Do Quindecuple Calc or Digital Clock have ads?

Quindecuple Calc shows ads; Digital Clock does not.

### Which is updated more often, Quindecuple Calc or Digital Clock?

Quindecuple Calc ships an update every 2 weeks, and Digital Clock every 5 days. Most recently, Quindecuple Calc was updated on October 17, 2026 and Digital Clock on October 2, 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.*