Comparison

TKZ Air Refresh 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

TKZ Air Refresh

Features
Read full description

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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

TKZ Air Refresh3 screens
Big Clock4 screens

Verdict

The call

The clearest difference is in-app purchases: TKZ Air Refresh at none against Big Clock's 7. TKZ Air Refresh also leads on iOS requirement (12.0 vs 16.0). Big Clock's advantage is update cadence (weekly vs every 21 months). On price, ads 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. TKZ Air Refresh asks for nothing beyond the download.

UpkeepUpdate frequency

TKZ Air Refresh ships an update every 21 months, Big Clock weekly. The most recent releases landed on October 3, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
TKZ Air Refresh versus Big Clock: the parameters behind the verdict, then further details
ParameterTKZ Air RefreshBig Clock
PriceFreeFree
Rating—4.7 (6 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—6 — better
Update frequencyEvery 21 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size39 MB74 MB
Age rating4+4+
DeveloperMedyaPlanNataliia Zarudna

In-app purchases

None

TKZ Air Refresh

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 TKZ Air Refresh free?
TKZ Air Refresh 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 TKZ Air Refresh or Big Clock have ads?
Neither TKZ Air Refresh nor Big Clock shows ads.
Which is updated more often, TKZ Air Refresh or Big Clock?
TKZ Air Refresh ships an update every 21 months, and Big Clock weekly. Most recently, TKZ Air Refresh was updated on October 3, 2026 and Big Clock on October 25, 2026.

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