COLON vs NixiTubeClock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
COLON
A minimalist digital clock app that focuses on displaying the time in a large, clear format. Customize colors, fonts, and display options to suit your preferences. It offers essential features without unnecessary complexity.
- Large time display
- Customizable background, text color, and font
- 200 font options
- Show/hide seconds
- Minimalist design
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シンプル is ベスト! 時計以外何もない、時間を大きく表示するだけのアプリ。 位置情報に基づく天候表示、日付表示、アラーム機能、タイマー機能、ウィジェット等々・・・ 最近の時計アプリはこれらの機能がスタンダードになりつつあります。しかし、 「時計アプリにそこまで求めてないよ!時間を大画面で確認できればそれで良いんだよ!」 という方もまた、いらっしゃると思います。 そんな方ためのシンプルでミニマルな時計アプリがCOLONです。 【機能・特徴】 ・時計の背景色、文字色、フォントを自由にカスタマイズできます。 ・フォントは200種類! ・秒数の表示/非表示を自由に選択できます。 ・課金、広告一切なし、完全無料で使えます。
NixiTubeClock
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Nixie Tube Clock is a minimalist digital clock inspired by classic vintage Nixie tubes. This app focuses on atmosphere rather than features, recreating the warm glow, glass texture, and subtle reflections that define the character of Nixie tubes. Choose a glow color to match your space — from classic orange to cool cyan, deep purple, and more — and see the same look on your Home Screen widgets. The bright core of each digit stays true to a real tube, for a calm, immersive clock that blends naturally into your space. Features: • Home Screen widgets that follow your glow color and reflection settings • Multiple glow colors with realistic glass-inspired visuals • Subtle floor reflection for added depth • Landscape mode with seconds and animated high-speed counter • Clean, distraction-free interface • Fully offline — no ads, no data collection Tap the screen to reveal settings, which automatically fade away after a short time. Designed with battery efficiency in mind, making it suitable for extended display. Ideal for desks, nightstands, and ambient displays where design matters as much as time.
Screenshots
Verdict
The clearest difference is price: COLON at Free against NixiTubeClock's $1.99. COLON also leads on iOS requirement (15.0 vs 26.2). NixiTubeClock's advantage is update cadence (every 3 weeks vs every 29 months). On 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
COLON is free to download; NixiTubeClock costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
COLON ships an update every 29 months, NixiTubeClock every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | COLON | NixiTubeClock |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 87.5% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 29 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 8 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Toshihide Miyake | kohei yamane |
In-app purchases
COLON
No in-app purchases
NixiTubeClock
No in-app purchases









