RouletteBox vs CertForge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RouletteBox
This app provides a simple roulette wheel for decision-making and random selection. Easily input your options, save and load custom lists, and spin the wheel to get a random result for games or everyday choices.
- Customizable roulette wheel
- Save and load data
- Random result generation
- Game and decision support
- Simple user interface
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It's a simple RouletteBox app. Please use it for rice, game ordering, etc. === How to use === ① Click the edit button ② Enter the data and click the OK button ③ Click the pull button to start RouletteBox! About data ・ You can save the entered data by pressing the save button on the edit screen. ・ You can load the saved data from the load button on the edit screen. Please take self-responsibility for the result of RouletteBox.
CertForge
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気持ちを、ちょっと公式っぽく贈りませんか? CertForge は、認定証・賞状・感謝状・おもしろ証明書をかんたんに作れるメーカーです。テンプレートを選んで、宛名・本文・日付・発行者・ハンコ(印章)を入力するだけ。クラシックな枠やゴールドの装飾で、本物みたいな一枚が完成します。 ■ こんな時に ・推しへの「最推し認定証」 ・家族や友だちへの感謝状・皆勤賞 ・サークルやイベントのネタ表彰 ■ 特長 ・複数のテンプレートと枠スタイル ・宛名・本文・印章まで自由に編集 ・A4比率できれいに保存・シェア ・フォーマル/おもしろの追加パックあり すべて端末内で動作します。
Screenshots
Verdict
The clearest difference is in-app purchases: RouletteBox at none against CertForge's 2. RouletteBox also leads on iOS requirement (12.0 vs 17.0). CertForge's advantage is ads (none vs shown). On price 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
Both are free to download. CertForge sells 2 one-off in-app purchases. RouletteBox asks for nothing beyond the download.
| Parameter | RouletteBox | CertForge |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (3 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 6 months | — |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 58 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Mizuho Sakakibara | SANWA Inc. |
In-app purchases
RouletteBox
No in-app purchases
CertForge
- おもしろパック$0.99
- フォーマルパック$0.99









