StuLOG vs 逆算勉強
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StuLOG
Track your daily study time with this simple log app. Visualize your effort by subject, month, and year through clear charts and reports. Keep a history of exam scores and notes, with optional CSV export for spreadsheets.
- Log study time in 15-minute blocks
- Track time by subject
- View monthly and yearly reports
- Record exam scores and notes
- Sync across devices with iCloud
- Export data to CSV (in-app purchase)
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StuLOG is a simple study log that turns your daily study time into clear charts. Record your study in 15-minute blocks, then see how your effort adds up by subject, month and year. No account required: install it and start logging. WHEN IT HELPS - You are preparing for an exam or a certification - You want to see the share of time per subject, and your total hours over a month or a year - You want to keep a history of mock-exam and test scores - You want a quick way to log study time on your phone and keep the habit going LOG - A day is shown as 15-minute blocks: just pick the time slots and a subject - Rename your subjects as you like (up to 10) - Save exam scores and notes for each day CHARTS AND REPORTS - Monthly and yearly summary reports - Monthly and yearly stacked charts - Monthly and yearly cumulative charts - Yearly score chart - Notes list SYNC AND BACKUP WITH ICLOUD Use the same records on several devices through iCloud. When you get a new device, sign in with the same Apple ID to pick up where you left off. CSV EXPORT (IN-APP PURCHASE) Export your records as a CSV file to use in a spreadsheet. PRIVACY Your records are stored on your device and in your own iCloud. They are never sent to the developer's servers. The app shows ads (Google AdMob). See the privacy policy for details: https://tektocraft.github.io/learninglog/ CONTACT Send feedback, requests and bug reports to the email address listed on the page above.
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 StuLOG's 1. 逆算勉強 also leads on ads (none vs shown) and update cadence (daily vs every 2 months). 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. StuLOG sells 1 one-off in-app purchase. 逆算勉強 asks for nothing beyond the download.
StuLOG ships an update every 2 months, 逆算勉強 daily. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | StuLOG | 逆算勉強 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (7 ratings) — better | — |
| Positive reviews | 43.5% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 2 months | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Akito Ibaraki | Kodai Maki |
In-app purchases
StuLOG
- Export Csv$1.99
逆算勉強
No in-app purchases
