Vulpe vs 大人のやる気ペン
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vulpe
This app helps you manage your reading goals by breaking down large books into daily page targets. It visualizes your progress, alerting you if you're ahead or behind schedule. Log your daily study sessions to stay on track and achieve your academic objectives.
- Set book completion dates
- Calculate daily page goals
- Log daily study progress
- Visualize progress ahead/behind schedule
- Receive progress notifications
- Archive completed goals
Read full descriptionHide full description
Vulpe helps you stay on track and finish your reference books as planned. It visualizes your progress and shows how far ahead or behind schedule you are, so you always know where you stand. If you’re behind, study a bit more to catch up. If you’re ahead, enjoy the extra time or move further ahead. Just set your completion date, and Vulpe calculates how many pages to study each day. Follow the plan and reach your goal with ease. How it works: 1. Add your book, total pages, and target date. 2. Log your daily study progress. 3. Get notified when you’re falling behind or moving ahead. 4. Archive completed goals and track your achievements anytime. Start your efficient, well-organized study routine with Vulpe today.
大人のやる気ペン
Read full descriptionHide full description
このアプリはコクヨ株式会社が製造するIoT文具「大人の気ペン」専用のアプリです。 「大人のやる気ペン」（本体）は、いつも使用している筆記具に取り付けるセンサー付きアタッチメントで、アプリと連動することによって、日々の学習習慣づくりをサポートする商品です。筆記具を動かした時間に応じてグラフで勉強時間の可視化やスゴロク形式のステージを進み、世界中のユーザーと出会います。 ※アプリのご使用には別売の「大人のやる気ペン」が必要です 【対象】 資格取得や自己啓発に取り組んでいる方 【使い方】 ①いつも使用している筆記具に「大人のやる気ペン」を取り付ける ②毎日勉強して「やる気パワー」をためる ③アプリと連動し「やる気パワー」のグラフ化やスゴロクステージを進める ④ステージを進みながら、同じく勉強に励んでいるユーザーと出会える ⑤出会ったユーザーはナカマカードとして収集できる ⑥自分だけのオリジナルキャラクターでモチベーションアップ 【主な機能】 ・やる気パワーの計測 ・日々の学習記録の閲覧 ・ナカマカードの収集 ・キャラクターのカスタマイズ
Screenshots
Verdict
The clearest difference is review sentiment: Vulpe at 95% against 大人のやる気ペン's 9%. Vulpe also leads on update cadence (every 2 weeks vs every 3 weeks). 大人のやる気ペン's advantage is ads (none vs shown). On price, in-app purchases, device support and iOS requirement 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. Vulpe sells 4 in-app purchases, starting at $3.99 per month and 大人のやる気ペン sells 20 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Vulpe ships an update every 2 weeks, 大人のやる気ペン every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Vulpe | 大人のやる気ペン |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (4 ratings) — better | — |
| Positive reviews | 95.5% of reviews — better | 9.3% of reviews |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 187 MB | 984 MB |
| Age rating | 4+ | 4+ |
| Developer | UniLink Inc. | KOKUYO CO., LTD. |
Customer experience
Vulpe
大人のやる気ペン
In-app purchases
Vulpe
- Vulpe Premium Monthly7 Days trial$3.991 Month
- Vulpe Premium Annual7 Days trial$12.991 Year
- Vulpe Premium Yearly7 Days trial$39.991 Year
- Vulpe Premium Outright$29.99
大人のやる気ペン
- リアル冬$1.99
- 宇宙$1.99
- 冬イラスト$1.99
Show 17 moreShow fewer
- 春イラスト$1.99
- スタイリッシュな部屋$1.99
- 魔女の部屋$1.99
- 図書館$1.99
- 遊園地$1.99
- 人工衛星 グレー$2.99
- 勇者の装備 金$2.99
- ニンジン 橙$2.99
- 勇者の冠 金$2.99
- 宇宙ヘルメット グレー$2.99
- ウサギの耳 白$2.99
- 名誉のキズ 銀$2.99
- 宇宙服ポット 白$2.99
- セーターポット 白$2.99
- 勇者の鎧ポット グレー$2.99
- サンタヒゲ 白$2.99
- 金のジョウロ×5$6.99
