WireCalculator vs Big Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WireCalculator
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Simplify your 12V electrical projects with WireCalculator! Whether you’re building a campervan, upgrading your 4WD setup, or wiring a custom vehicle, WireCalculator helps you determine the correct wire gauge and fuse size for your 12V circuits — safely and easily. Key Features: - Instantly calculate wire gauge based on current, distance, and voltage drop - Automatically suggests the right fuse size for protection - Designed for 12V DC systems (perfect for campers, 4WDs, boats, and DIY setups) - Uses standard wire sizing tables for reliable results Who it’s for: - Auto electricians - Campervan and RV builders - Off-grid enthusiasts - 4WD adventurers - DIYers and hobbyists Avoid guesswork and ensure your 12V circuits are safe and efficient with WireCalculator — your go-to tool for mobile power planning.
Big Clock
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.
- Fullscreen digital clock
- Always-on display mode
- Light and dark themes
- Brightness control
- Portrait and landscape support
- Minimal design
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Big Clock turns your iPhone or iPad into a clean, easy-to-read digital clock that stays visible when you need it most. Use it as a bedside night clock, desk clock, workout clock, or minimal always-on clock during work and study. Designed for simplicity, readability, and focus. FEATURES • Big fullscreen digital clock • Always-on display mode • Optional seconds display • Light and dark themes • Brightness control • Fullscreen mode • Works in portrait and landscape • One tap controls • Minimal and distraction-free design • Supports iPhone and iPad PERFECT FOR • Bedside nightstand clock • Desk setup clock • Kitchen clock • Study sessions • Work focus • Workout sessions • Low-light environments • Time visible from a distance Big Clock launches instantly and keeps the time clearly visible from across the room.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | WireCalculator | Big Clock |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (6 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 2 days — better | Weekly |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 30 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | nomis-development | Nataliia Zarudna |
In-app purchases
WireCalculator
No in-app purchases
Big Clock
- Coffee Support$1.99
- Premium$2.99
- Premium + Coffee$4.99
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- Coffee & Croissant Support$5.99
- Premium + Coffee + Croissant$8.99
- Big Support$12.99
- Premium + Big Support$14.99
Questions
Is WireCalculator free?
Is Big Clock free?
Do WireCalculator or Big Clock have ads?
Which is updated more often, WireCalculator or Big Clock?
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