電光掲示板 vs FullScreen
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
電光掲示板
Transform your phone screen into a vibrant LED display. Easily create scrolling text messages for events, signs, or fun. Customize colors, speed, and dot size for a personalized effect.
- Scrolling LED text display
- Customizable text and background colors
- Adjustable scrolling speed and dot size
- Full-screen display
- Preset message saving
- Decorative effects (Plus version)
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スマホの画面が、本物みたいに光る電光掲示板になるアプリです。 文字を打つだけ。あとは全画面いっぱいに、LED ドットの文字が流れて光ります。 ■ こんな場面で ・コンサートやライブで推しの名前を掲げる応援ボードに ・お店のレジ横やショーケースの小さな電光看板に ・パーティー・歓迎会・送別会のメッセージボードに ・電車の方向幕みたいな表示を楽しみたいときに ■ 無料でできること ・文字を入力するだけのかんたん操作 ・全画面表示(横向きに構えると大きく映ります) ・文字の色は定番 4 色(アンバー・赤・緑・白)、背景は黒 ・流す速さは「ゆっくり・ふつう・はやい」 ・ドットの大きさは大・中・小 ・「流す/止める」の切り替えと、「点滅」のオン・オフ(組み合わせ自由) ・よく使う文言はプリセットに保存 ・表示画面に広告や透かしは一切入りません ■ Plus(買い切り ¥600)でできること ・飾り 10 種類(虹色・グラデーション・波・鼓動・きらめき・流星・2色交互・炎・オーロラ・ネオン) ・文字と背景の色を全色から、さらに自由な色からも選べます ・ドットの形を角・方向幕・ハート・星に変えられます ・いちばん速い「最速」で流せます ・画面下の広告を非表示 お支払いは 1 回だけ。月額・年額の課金はありません。 ■ 料金 ・上の「無料でできること」は、購入しなくてもずっと無料で使えます ・Plus は ¥600 の買い切りです。鍵のついた項目を押すと購入画面が出ます ■ プライバシー ・アカウント登録は不要です ・入力した文字が外部に送信されることはありません プライバシーポリシー: https://kureho.app/privacy/denkoboard 利用規約(EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
FullScreen
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Type a message and show it from afar, full screen, in huge letters. FullScreen turns your iPhone into a glowing sign: perfect at concerts, stadiums, at the airport to welcome someone, at parties, in your shop or in the car's rear window. 10 DIFFERENT DISPLAYS • Classic, big and readable • Dot-matrix LED, like real signs • Segments, like digital alarm clocks • Glowing neon • Chalkboard, with chalk writing itself • Departures, with flaps flipping like at the station • CRT, the retro screen • Light: torch, strobe and disco • QR code: show a link to scan with the camera • Image: a photo in the middle of the screen MOTION AND EFFECTS • Text that scrolls, bounces, stays still or appears letter by letter • Blink and rainbow, adjustable brightness • Mirror mode to read your message through a window • 11 fonts, emoji included MORE THAN TEXT • Full-screen clock • Timer and countdown • Scoreboard for matches and games SHARE A VIDEO • Turn your message into a video and send it on WhatsApp, Instagram, TikTok… • The video shows your whole message in the style you picked • Full HD, and 4K Ultra HD with Pro READY IN ONE TAP • 20+ ready-made styles: stadium, red LED, shop sign, neon, party… • Save your favourite styles and find recent messages • Screen stays on while the board is running No account, your messages stay on your phone. Available in English, Italian, Spanish, German and French. FullScreen is free with ads. A one-time "Pro" purchase removes all ads forever, lets you hide the FullScreen logo and create 4K videos: no subscription.
Screenshots
Verdict
The clearest difference is iOS requirement: FullScreen at 15.0 against 電光掲示板's 17.0. On price, update cadence, ads and in-app purchases 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
Both are free to download. 電光掲示板 sells 1 one-off in-app purchase and FullScreen sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
電光掲示板 ships an update every 5 days, FullScreen every 3 days. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.
| Parameter | 電光掲示板 | FullScreen |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 5 days | Every 3 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | KUREHO | Lorenzo Veglia |
In-app purchases
電光掲示板
- Plus$3.99
FullScreen
- FullScreen Pro$1.99









