Lucrux vs Capra
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Lucrux
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Lucrux is one AI tutor for the whole household. It studies WITH your kid โ not instead of them. It asks questions, checks the answers, notices what didn't land, and comes back to it. And it tells you, the parent, how it's actually going, so you stop having to ask "did you study?" and start knowing. HOW IT WORKS Add a course โ a class from school, an instrument, a language, anything worth getting better at. Lucrux breaks it into topics, then works through them with your student: short question sets, real explanations when an answer is wrong, and a running picture of what's mastered and what still needs another pass. Nobody has to build a study plan. The tutor keeps the thread. FOR PARENTS You see progress, not transcripts. Which topics are moving, which are stuck, what got studied this week. Your household's calendar, tasks and deadlines live here too, so the things that usually get lost โ the test on Thursday, the form due Friday โ stop getting lost. FOR STUDENTS Ask it anything, any hour. It explains it a second way when the first way didn't work, quizzes you when you want to be quizzed, and doesn't lecture you. YOUR CHATS STAY YOURS Everything your family makes is visible inside your family โ the progress, the calendar, the tasks. Your conversations with the tutor are not. Parents see how it's going; they don't see what you talked about. That wall is built into the product, not a setting you have to find. WORKS WITH APPLE HEALTH With your permission, Lucrux reads your workouts, steps and heart rate from Apple Health, so the day view and your family's updates can say "ran 5k this morning". You choose how much the app keeps โ workout summaries, or the detailed heart series for you alone โ and you can turn it off anytime in Settings. Your family only ever sees workout summaries, never a heart number. WHAT IT COSTS Free for 14 days. Then Base at US$14.99/month or Plus at US$29.99/month for a household โ one subscription, everyone in the family, not per person. If a subscription lapses, nothing is deleted and nothing is locked. Everything your family has made stays here and stays readable. What pauses is the tutor creating new work. Questions: support@ablesoftware.io
Capra
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The really hard part of getting ready for a deadline isn't the work. It's not knowing whether the work is working. Capra is an AI Study Coach that plans each day from your own study material and tests what actually stuck, so you can see where you'll be when it matters while there's still time to change it. Bring your own materials - the textbook, the syllabus, the website, the course, or even just the notes on your phone. Upload them as files or simply name them and Capra's AI engine will usually recognize what's important and pull out exactly what you need to study. Alternatively you can bring nothing and let Capra's AI go and find you the resources you should use to achieve your goals. A DAY, NOT A TOPIC LIST Each day Capra tells you what's on today and in what order. Each session names what to read, watch, or do from your materials, and walks you through it step by step, with hints when you're stuck and a photo check of your written work. Sessions are timed so you stop when the work is done and the app will adjust to fit your schedule. CHECKPOINTS THAT ACTUALLY STOP YOU Study sessions will frequently include quizzes or checkpoints that unlock further progression. This is the bit people tend to leave out when they plan their own revision, and it's why they walk into the exam, interview, or certification having read all the material and remembering almost none of it. REVIEW BEFORE YOU FORGET A short review each day brings back what you're closest to forgetting, as cards, quick questions, or explaining it in your own words. That is the difference between getting ready and staying ready. AN HONEST FORECAST The Memory tab shows how much of your course has stuck so far, and what you'd likely still recall on your date if you keep the plan. That estimate is a range, and it narrows as you answer real questions. The chart marks which part already happened and which part is projected. SUMMIT, YOUR COACH Summit is your AI study coach that gets access to your material, so you can consult him while you study - a question about chapter 3 in your textbook gets an answer about your chapter 3. He knows what's due tomorrow and which topics you got wrong last week. WHEN YOU MISS A DAY (AND YOU WILL) Capra will reshuffle your plan and move things around instead of asking you to. If shifting alone won't get you ready by your deadline, it will trim the least important material and tell you what it cut. You can also move, lighten, swap, or skip any session yourself, or ask Summit to rework your plan. You see what would change before it does, and you can undo it. MORE THAN ONE DEADLINE Follow up to three plans at once. Capra splits your study time between them by how close each date is and how much is left. STUDY WITH FRIENDS Add a friend and you'll each see when the other is studying, never what, and keep a streak going together. Focus while studying can quiet the apps you pick for the length of a session, using Apple's Screen Time. CAPRA PRO 7 days free, then $99.99 a year or $12.99 a month. That's US pricing; the App Store shows your local price before you confirm anything. Subscriptions renew automatically unless you switch it off at least 24 hours before the period ends, and you can manage or cancel in your App Store account settings. Terms of Use: https://trycapra.app/terms Privacy Policy: https://trycapra.app/privacy
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Verdict
Lucrux and Capra are too close to call on the numbers: across 6 compared parameters โ price, update cadence, ads and in-app purchases among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Lucrux sells 2 in-app purchases, starting at $14.99 per month and Capra sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.
| Parameter | Lucrux | Capra |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | Every 3 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad โ better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details โ not scored | ||
| Size | 53 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Search Rebel | Kenneth Layton |
In-app purchases
Lucrux
- Study Partner14 Days trial$14.991 Month
- Study Partner Plus14 Days trial$29.991 Month
Capra
- Capra Pro: Study Plan & Tutor7 Days trial$12.991 Month
- Capra Pro: Study Plan & Tutor7 Days trial$99.991 Year






