Comparison

Flip Clock Pro vs Nixie Tube Timer

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

Head to head
About

Flip Clock Pro

Transform your iPhone into a stylish retro flip clock. Easily swipe between different clock designs to personalize your device's look.

Highlights
  • Retro flip clock design
  • Customizable clock interfaces
  • Swipe to change designs
  • Personalize device look
Features
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Turn your iPhone into a beautiful retro flip clock — perfect for your desk, office, or nightstand. • Handcrafted themes: the giant split-flap Departures board, Liquid Glass, Neon Nights, Terminal, Retro Amber, and more — swipe to switch • Custom Clock: pick a style and font, then set your own colors • 12/24-hour time and optional seconds • Screen stays on, works in portrait and landscape

About

Nixie Tube Timer

Features
Read full description

Down to 30 seconds and need longer? Tap +1m and the clock reads 1:30, still running. Photorealistic nixie tubes, eight color themes, fully offline, nothing tracked. A TIMER YOU ACTUALLY WANT TO LOOK AT This is a countdown built around photorealistic nixie-tube digits. Dial in hours, minutes and seconds, hit Start, and watch the tubes glow down one digit at a time — a focus sprint, a kid's timeout, a pot on the stove. The screen stays awake while it runs. STRETCH A TIMER THAT'S ALREADY RUNNING This is the part other timers don't do. You set one minute. It counts down to thirty seconds and you realize you need longer. Tap +1m and the clock reads 1:30 and keeps going — still running, never stopped, never reset, nothing to start over. EIGHT COLOR SCHEMES Neon Green, Cyber Blue, Amber Glow, Crimson Red, Deep Purple, Hot Pink, Sunny Yellow and Rainbow. Switch instantly, no restart. A Full Glow style spreads the aura across the whole screen if you want more of it. SOUND ON YOUR TERMS Six tick sounds — Classic, Soft, Digital, Woodblock, Mechanical, Pendulum — synthesized on the fly and locked in step with the digits. Four alarms: Radar, Beacon, Chime, Pulse. Import your own audio file as a custom alarm, or set either to None for silence. Ticks and alarm have their own volume sliders. THE BUTTONS ARE YOURS The amounts you add are the ones you choose — +30s, +1m, +5m, +25m, whatever your day actually uses. Nothing is preset for you; press and hold to remove one. They sit right under the countdown while it runs, one tap from the tubes. Durations you run often come back as one-tap shortcuts too. BUILT TO BE QUICK - Timers from a few seconds up to 99:59:59 - Timed against the clock, so it stays accurate instead of drifting - Pause, resume, restart, cancel — or stretch the countdown without pausing it - Haptic feedback on start, on tap, and at zero - A local notification when the timer ends, even if you have left the app PRIVACY, PROPERLY No accounts, no ads, no analytics, no tracking, no data collection of any kind. The app never sends anything anywhere. Everything you set stays on your device. Free. iPhone, iOS 17 and later.

Screenshots

Flip Clock Pro4 screens
Nixie Tube Timer4 screens

Verdict

The call

The clearest difference is update cadence: Nixie Tube Timer at every 3 days against Flip Clock Pro's every 129 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Flip Clock Pro ships an update every 129 months, Nixie Tube Timer every 3 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

Scorecard1 real difference · 9 level
Flip Clock Pro versus Nixie Tube Timer: the parameters behind the verdict, then further details
ParameterFlip Clock ProNixie Tube Timer
PriceFreeFree
Rating3.7 (3 ratings) — better—
Positive reviews40.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 129 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size2 MB85 MB
Age rating4+4+
DeveloperBahtiyar PolatGood Gary Apps LLC

In-app purchases

None

Flip Clock Pro

No in-app purchases

None

Nixie Tube Timer

No in-app purchases

Questions

Is Flip Clock Pro free?
Flip Clock Pro is free to download, with no in-app purchases.
Is Nixie Tube Timer free?
Nixie Tube Timer is free to download, with no in-app purchases.
Do Flip Clock Pro or Nixie Tube Timer have ads?
Neither Flip Clock Pro nor Nixie Tube Timer shows ads.
Which is updated more often, Flip Clock Pro or Nixie Tube Timer?
Flip Clock Pro ships an update every 129 months, and Nixie Tube Timer every 3 days. Most recently, Flip Clock Pro was updated on October 8, 2026 and Nixie Tube Timer on October 7, 2026.

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