Aucta vs Stackd
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Aucta
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Aucta — Your university study companion. Organize your sessions, track your progress and prepare for exams with a structured method. Designed for university students, including those with learning differences. MULTI-PHASE TIMER Structured sessions alternating reading, concept mapping, repetition and breaks. Three preset profiles (Aucta Classic, Pomodoro, Intensive Session) or create your own with Aucta Pro. The timer stays visible on Lock Screen and Dynamic Island thanks to Live Activity. SPACED REPETITION (SM-2) Add topics to memorize and the SM-2 algorithm schedules reviews at the right time. Badges and notifications remind you what to review each day. SUBJECTS AND BOOKS Organize courses, books and pages to study. The study plan calculates your daily pace and automatically rebalances after every session. When all books reach 100%, the plan closes on its own. LECTURE CALENDAR Weekly timetable with daily view. Everything linked to your subjects. EXAMS AND TRANSCRIPT Plan your exams, record grades and check weighted average and graduation projection in the digital transcript. Choose from 8 international grading scales: Italian (18-30), French (10-20), Spanish (5-10), Portuguese (10-20), German (1.0-4.0), Swiss (4.0-6.0), American (0-100) and British (0-100). Grades, averages, charts and slot machine adapt automatically. EXAM DAY FORTUNE On exam day, discover your "predicted" grade based on your real study metrics. A fun and motivating feature. SMART DIMMER The screen dims during study to save battery. Adjust the intensity from 1% to 40% or disable it in Settings. ACADEMIC YEAR ARCHIVE At the end of the year, generate a PDF report of your academic journey. ACCESSIBILITY Designed for all students, including those with learning differences. Inclusive interface, neutral language, adjustable readability. Available in Italian, English, Spanish, French, German and Portuguese. Automatic sync across your Apple devices via iCloud. No account required, no ads. Aucta: study smarter, not harder.
Stackd
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This is a simple study timer app that allows you to record and manage your study time by subject. Simply measure your time with the timer and save it. You can also log sessions manually or add entries for past dates. You can record everything together, including subjects, study materials, pages, and notes. You can view the big picture of your studies by checking your subject balance with weekly graphs and reviewing your progress streaks on the calendar. No ads, no social media features, and no account registration required. All data is saved on your device, so there are no privacy concerns. Perfect for anyone who wants to focus on learning, from exam preparation to certifications and language studies. [Main Features] - 3 timer modes (Stopwatch, Countdown, Pomodoro) - Management of subjects, materials, pages, and notes - Weekly graphs to check subject balance (bar chart & donut chart) - Calendar to visualize study days with color-coding - Display of consecutive study days (streaks) - Daily study reminder - Backup and data export functions [Stackd Pro (One-time purchase)] - Monthly graphs and cumulative line graphs - Setting weekly goals and checking achievement rates - 9 color themes - Home screen and lock screen widgets
Screenshots
Verdict
The clearest difference is iOS requirement: Stackd at 18 against Aucta's 26.0. On price, update cadence, ads and in-app purchases 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. Aucta sells 1 one-off in-app purchase and Stackd sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Aucta ships an update weekly, Stackd fortnightly. The most recent releases landed on September 13, 2026 and September 14, 2026 respectively.
| Parameter | Aucta | Stackd |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.0 | 18 — better |
| Further details — not scored | ||
| Size | 8 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Antonio Galetta | Nene Nakagawa |
In-app purchases
Aucta
- Aucta Pro$3.99
Stackd
- Stackd Pro$1.99









