# WireCalculator vs Big Clock

The clearest difference is in-app purchases: WireCalculator at none against Big Clock's 7. WireCalculator also leads on update cadence (every 2 days vs weekly) and iOS requirement (12.0 vs 16.0). Big Clock's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Big Clock sells 7 one-off in-app purchases. WireCalculator asks for nothing beyond the download.

WireCalculator ships an update every 2 days, Big Clock weekly. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | WireCalculator | Big Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (6 ratings)](https://appshunter.io/ios/app/big-clock-always-on-display/id6760553772/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 74 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [nomis-development](https://appshunter.io/developer/982746503) | [Nataliia Zarudna](https://appshunter.io/developer/1871489027) |

## What reviewers say

### WireCalculator

[App page](https://appshunter.io/ios/app/wirecalculator/id6748025416)

**Features:** macOS Compatibility

**In-app purchases:** none


### Big Clock

[App page](https://appshunter.io/ios/app/big-clock-always-on-display/id6760553772)

Transform your device into a large, clear digital clock. Ideal for bedside tables, desks, or workouts, it offers an always-on display with customizable themes and brightness for easy readability in any environment.

**Highlights:** Fullscreen digital clock, Always-on display mode, Light and dark themes, Brightness control, Portrait and landscape support, Minimal design

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee Support | $1.99 | one-time |
| Premium | $2.99 | one-time |
| Premium + Coffee | $4.99 | one-time |
| Coffee & Croissant Support | $5.99 | one-time |
| Premium + Coffee + Croissant | $8.99 | one-time |
| Big Support | $12.99 | one-time |
| Premium + Big Support | $14.99 | one-time |


## Frequently asked questions

### Is WireCalculator free?

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

### Is Big Clock free?

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

### Do WireCalculator or Big Clock have ads?

WireCalculator shows ads; Big Clock does not.

### Which is updated more often, WireCalculator or Big Clock?

WireCalculator ships an update every 2 days, and Big Clock weekly. Most recently, WireCalculator was updated on October 7, 2026 and Big Clock on October 25, 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.*