Comparison

FLEX SIGN Anode vs Flappy Board

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

Head to head
About

FLEX SIGN Anode

Features
Read full description

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

About

Flappy Board

Features
Read full description

Transform your iPhone, iPad, or Apple TV into a stunning split-flap display — the iconic mechanical boards once found in airports, train stations, and hotels worldwide. Flappy Board renders each character on individual flipping tiles that cycle with satisfying mechanical animation. Drive it remotely from your home automation system or any app that can send an HTTP request. FEATURES • Authentic split-flap animation — every character tile flips independently at configurable speed • Built-in demos — watch a live departure board fill in with flights and airline logos, or display current weather conditions • Local HTTPS API — Flappy Board runs a secure server on your device, accepting messages from any device on your network • Flappy Board Controller — pair a companion iPhone or iPad app by scanning a QR code; send messages wirelessly • Fully configurable — adjust rows, columns, character set, flip speed, fonts, and colors • Home Assistant and more — works with any HTTP client for easy automation integration • Secure by default — Bearer token authentication and TLS encryption keep your board private THE AMATEUR PLAN Unlock full API control with a one-time in-app purchase. Connect your own scripts, automations, and apps and turn Flappy Board into a live display for anything: sports scores, stock prices, package tracking, calendar events, or whatever data matters to you. Flappy Board is perfect for home dashboards, event signage, smart home projects, and anyone drawn to the nostalgic appeal of mechanical displays.

Screenshots

FLEX SIGN Anode1 screens
Flappy Board4 screens

Verdict

The call

The clearest difference is in-app purchases: FLEX SIGN Anode at none against Flappy Board's 1. FLEX SIGN Anode also leads on iOS requirement (15.6 vs 18.0). On price, update cadence, 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. Flappy Board sells 1 one-off in-app purchase. FLEX SIGN Anode asks for nothing beyond the download.

UpkeepUpdate frequency

FLEX SIGN Anode ships an update fortnightly, Flappy Board weekly. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

Scorecard2 real differences · 4 level
FLEX SIGN Anode versus Flappy Board: the parameters behind the verdict, then further details
ParameterFLEX SIGN AnodeFlappy Board
PriceFreeFree
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better18.0
Further details — not scored
Size15 MB11 MB
Age rating4+4+
Developer德林 王General Futurics LLC

In-app purchases

None

FLEX SIGN Anode

No in-app purchases

1 purchases

Flappy Board

One-time1
  • Amateur$5.99

Questions

Is FLEX SIGN Anode free?
FLEX SIGN Anode is free to download, with no in-app purchases.
Is Flappy Board free?
Flappy Board is free to download, with in-app purchases available.
Do FLEX SIGN Anode or Flappy Board have ads?
Neither FLEX SIGN Anode nor Flappy Board shows ads.
Which is updated more often, FLEX SIGN Anode or Flappy Board?
FLEX SIGN Anode ships an update fortnightly, and Flappy Board weekly. Most recently, FLEX SIGN Anode was updated on September 10, 2026 and Flappy Board on September 19, 2026.

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