FLEX SIGN Anode vs NixiTubeClock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FLEX SIGN Anode
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FLEX SIGN anode専用アプリです。 anodeアプリの使用方法 ① anodeアプリをタップ。送信画面の1から8を選びタップすると編集画面に移動します。 ② 編集画面でテキストを編集し、スピードなどを選び、戻るボタンをタップします。 ③ 送信したいテキストのボタンをオン(緑色)にし、送信ボタンを押します。anode基板本体のボタンも押してください。 anode基板は精密な電子機器ですので、落としたり、強い衝撃を与えるような取り扱いはしないでください。また、基板は水や金属に当たると電気的短絡(ショート)し、故障する原因になります。anode基板用アームバンド、ショルダーバッグ、バックパックとの組合せでのご使用をお薦め致します。 株式会社電子技販 〒564-0051大阪府吹田市豊津町62-8 anode@denshi-gihan.co.jp
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: FLEX SIGN Anode at Free against NixiTubeClock's $1.99. FLEX SIGN Anode also leads on iOS requirement (15.6 vs 26.2). On update cadence, 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
FLEX SIGN Anode is free to download; NixiTubeClock costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
FLEX SIGN Anode ships an update fortnightly, NixiTubeClock every 3 weeks. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.
| Parameter | FLEX SIGN Anode | NixiTubeClock |
|---|---|---|
| Price | Free — better | $1.99 |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 26.2 |
| Further details — not scored | ||
| Size | 15 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | 德林 王 | kohei yamane |
In-app purchases
FLEX SIGN Anode
No in-app purchases
NixiTubeClock
No in-app purchases
Questions
Is FLEX SIGN Anode free?
Is NixiTubeClock free?
Do FLEX SIGN Anode or NixiTubeClock have ads?
Which is updated more often, FLEX SIGN Anode or NixiTubeClock?
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