Comparison

Vulpe vs 数学図鑑

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

Head to head
About

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.

Highlights
  • Set book completion dates
  • Calculate daily page goals
  • Log daily study progress
  • Visualize progress ahead/behind schedule
  • Receive progress notifications
  • Archive completed goals
Features
Read 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.

About

数学図鑑

This app uses animations and dynamic visuals to explain complex high school math concepts. It aims to make abstract ideas intuitive and engaging for students and educators alike. Explore calculus, geometry, and equations through visual learning.

Highlights
  • Animated explanations of math concepts
  • Dynamic visual representations
  • Covers calculus, geometry, and equations
  • Intuitive understanding of abstract ideas
  • Aids students and educators
Features
Read full description

【数学図鑑 - ビジュアルで学ぶ数学】 数学の美しさと面白さを、アニメーションで体験しましょう! 「数学図鑑」は、高校数学の重要概念を、直感的に理解できるようにデザインされた学習アプリです。微分積分、図形、方程式など、幅広い分野の数学的事象を、アニメーションや動く図形で表現。数式だけでは想像しにくい概念も、目で見て納得できます! 【こんな人におすすめ】 ・数学が苦手だけど、何とか克服したい人 ・数学の面白さをもっと知りたい人 ・ビジュアルで数学を理解したい人 ・数学の本質的な理解を目指す学生 ・数学教育に力を入れている教師の方 数学は、私たちの世界を形作る「言葉」です。数学をビジュアルの力でわかりやすく紹介する「数学図鑑」を使って、数学の美しい世界を体験してみませんか。きっとあなたの知的好奇心が刺激され、数学の新しい魅力に気付くはずです。ダウンロードは今すぐ! ※本アプリは、数学の重要概念を直感的に理解するための補助教材です。体系的な学習のためには、適切な教科書や問題集と併用することをおすすめします。

Screenshots

Vulpe4 screens
数学図鑑4 screens

Verdict

The call

The clearest difference is device support: Vulpe at 3 against 数学図鑑's 1. Vulpe also leads on iOS requirement (13.0 vs 17.0). On price, review sentiment, update cadence and ads 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. Vulpe sells 4 in-app purchases, starting at $4.99 per month and 数学図鑑 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 22, 2026 and June 4, 2026 respectively.

Scorecard2 real differences · 8 level
Vulpe versus 数学図鑑: the parameters behind the verdict, then further details
ParameterVulpe数学図鑑
PriceFreeFree
Rating4.3 (4 ratings) — better—
Positive reviews95.0% of reviews100.0% of reviews — better
Number of ratings4 — better—
Update frequencyEvery 2 weeksEvery 2 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size188 MB149 MB
Age rating4+4+
DeveloperUniLink Inc.Keisuke Minami

Customer experience

Vulpe

All ratings4 ratings
Positive75.0%
Neutral25.0%
Negative0.0%
Written reviews20 reviews
Positive95.0%
Neutral5.0%
Negative0.0%

数学図鑑

Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Vulpe

Subscriptions3
  • Vulpe Premium Monthly7 Days trial$4.991 Month
  • Vulpe Premium Annual7 Days trial$12.991 Year
  • Vulpe Premium Yearly7 Days trial$39.991 Year
One-time1
  • Vulpe Premium Outright$29.99
2 purchases

数学図鑑

One-time2
  • 広告の削除$1.99
  • 広告の削除+開発者への支援$2.99

Questions

Is Vulpe free?
Vulpe is free to download, with in-app purchases available.
Is 数学図鑑 free?
数学図鑑 is free to download, with in-app purchases available.
Do Vulpe or 数学図鑑 have ads?
Both Vulpe and 数学図鑑 show ads.
Which is updated more often, Vulpe or 数学図鑑?
Vulpe ships an update every 2 weeks, and 数学図鑑 every 2 weeks. Most recently, Vulpe was updated on September 22, 2026 and 数学図鑑 on June 4, 2026.

Other comparisons