Vulpe vs 逆算勉強
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
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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.
逆算勉強
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締め切りに間に合うよう、進捗に合わせて勉強計画を修正し、今日やるべき分量を教えてくれます。 曜日ごとの配分を決める事で、更に適切な計算をしてくれます。 -------------------------- Icons by Icons8 Images by Loose Drawing
Screenshots
Verdict
The clearest difference is in-app purchases: 逆算勉強 at none against Vulpe's 4. 逆算勉強 also leads on ads (none vs shown) and update cadence (daily vs every 2 weeks). 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. Vulpe sells 4 in-app purchases, starting at $3.99 per month. 逆算勉強 asks for nothing beyond the download.
Vulpe ships an update every 2 weeks, 逆算勉強 daily. The most recent releases landed on October 16, 2026 and September 28, 2026 respectively.
| Parameter | Vulpe | 逆算勉強 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (4 ratings) — better | — |
| Positive reviews | 95.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 weeks | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 188 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | UniLink Inc. | Kodai Maki |
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
逆算勉強
No in-app purchases
