Comparison

WireCalculator vs Big Clock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

WireCalculator

Features
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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.

About

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.

Highlights
  • Fullscreen digital clock
  • Always-on display mode
  • Light and dark themes
  • Brightness control
  • Portrait and landscape support
  • Minimal design
Features
Read full description

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

WireCalculator4 screens
Big Clock4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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

Scorecard4 real differences · 6 level
WireCalculator versus Big Clock: the parameters behind the verdict, then further details
ParameterWireCalculatorBig Clock
PriceFreeFree
Rating—4.7 (6 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—6 — better
Update frequencyEvery 2 days — betterWeekly
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size30 MB74 MB
Age rating4+4+
Developernomis-developmentNataliia Zarudna

In-app purchases

None

WireCalculator

No in-app purchases

7 purchases

Big Clock

One-time7
  • Coffee Support$1.99
  • Premium$2.99
  • Premium + Coffee$4.99
Show 4 more
  • Coffee & Croissant Support$5.99
  • Premium + Coffee + Croissant$8.99
  • Big Support$12.99
  • Premium + Big Support$14.99

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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