iHabit vs KinetStudy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iHabit
This app helps you build positive habits and maintain focus through daily check-ins, time management tools, and goal tracking. It offers features like customizable habit creation, statistics, and a Pomodoro timer to enhance productivity and life management.
- Habit creation and check-in
- Daily/weekly/monthly habit frequency
- Habit statistics and trend analysis
- Focus timer (countdown, Pomodoro)
- Focus time statistics
- Multi-device data synchronization
- Desktop widgets
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iHabit is an efficiency-enhancing software that integrates habit + focus, which can help you develop good habits and stay focused at all times. • Create habits to stay focused In work or in life, good habits will make us feel happier. In iHabit, habit checking is very simple, you just need to plan in advance what you need to check in every day or every week, and click on the habit card on that day. And through continuous check-in and continuous change of habits, it helps us to better manage our lives and time. When you want to complete the task at hand in a better state, iHabit will also be an excellent tool that can help you concentrate and prevent you from being addicted to your phone. • What features does iHabit support? - Widgets: Support adding desktop widgets on iOS14 and above systems - Habits: Frequency of daily/weekly/x days per week/x days per month to create habits to develop - Habit statistics: summary of the number of days completed by the habit/completion rate/trend statistics/pie chart statistics, etc. - Habit log: complete the reminder of the clock-in time, support uploading pictures - Concentration: countdown/countdown/pomodoro clock and other forms of concentration - Focus statistics: focus time summary/days/trend statistics/pie chart statistics, etc. - Data synchronization: iPhone/iPad multi-device cloud data synchronization - Dark mode: switch between dark/day mode with one touch - Theme style: different forms of card switching can be completed according to needs - Daily reminder: You can set a daily reminder alarm clock to ensure the completion of the check-in task of the day - Calendar view: Simple summary of calendar view, easier viewing habits or focus on completion • Contact Us Your suggestions and feedback are very important to us, write in the comment area or contact me directly. E-mail: feedback@quji.tech QQ: 714645019 Terms of use: https://gostraight-tech.github.io/ihabit-page/shi-yong-tiao-kuan.html Privacy Policy: https://gostraight-tech.github.io/ihabit-page/yin-si-zheng-ce.html
KinetStudy
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KinetStudy is an AI homework-grading assistant designed for parents. Take a photo of your child's homework, and AI reviews it question by question with explanations — wrong answers are automatically added to a mistake notebook, organized by subject, ready to redo anytime. 【Key Features】 • Photo Grading Snap a photo of homework and AI identifies each question, marking it right or wrong with explanations and knowledge-point context. Covers the main elementary school subjects: Chinese, Math, and English. • Mistakes Auto-Saved to the Notebook Wrong answers no longer stay scattered on worksheets. Grading and archiving happen in one step — mistakes are automatically organized by subject and knowledge point for easy review later. • Redo Anytime Mistakes aren't just collected for show. Redo them whenever you like: answer correctly and they leave the notebook; get them wrong again and they stay for another round of practice. • Follow-up Questions Curious about a specific question? Keep asking follow-ups based on the same photo — like discussing with a teacher why an answer works the way it does. • AI Tutor Based on the pattern of your child's mistakes, the AI tutor highlights weak areas and suggests what to practice next. It doesn't replace real tutoring — but it helps parents stop guessing. • Learning Reports for Parents Review your child's practice by week or month: which knowledge points keep causing trouble, which have been mastered, and whether practice is consistent. See it at a glance instead of guessing from the homework pile. 【Privacy Design】 • Photos and homework data are sent directly from your device to the AI provider you configure. The developer never stores, forwards, or analyzes them. • BYO Key supported: connect your own AI provider key — you stay in full control of where your data goes. • All practice records and the mistake notebook are stored locally on your device. Nothing is uploaded to the developer's servers. 【Works Offline】 • The mistake notebook, redo, and practice features work fully offline — open the app and start. • Only photo grading and the AI tutor require an internet connection to call AI services (with your own key, free). 【Subscription】 • Free: photo grading, AI tutor chat, mistake notebook, redo, practice, and parent learning reports. Online AI features are powered by your own provider key (BYO Key) and are free to use. • Pro: unlocks on-device learning analysis — AI mistake analysis, personalized study suggestions, and weak-area tracking. These analyses run locally on your device and do not depend on any AI service. Subscriptions are billed through your Apple ID and can be canceled anytime in Settings → Subscriptions. No refunds within an active billing period, as handled by Apple's policy. 【Please Note】 • AI grading results are for reference only and do not constitute professional educational advice. • Real learning comes from daily practice. This tool saves you time, but it can't replace a parent's companionship. 【Feedback】 • Email: phinn@outlook.com 【Subscription Terms】 • Privacy Policy: https://phinn.github.io/KinetStudy/privacy.html • Terms of Use: https://phinn.github.io/KinetStudy/terms.html • Terms of Use (Apple standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: iHabit at Free against KinetStudy's $0.99. iHabit also leads on iOS requirement (13.0 vs 15.6). KinetStudy's advantage is in-app purchases (none vs 4). On update cadence, ads 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
iHabit is free to download; KinetStudy costs $0.99 up front. iHabit sells 4 in-app purchases, starting at $1.49 per 3 months. KinetStudy asks for nothing beyond the download.
iHabit ships an update every 6 weeks, KinetStudy every 3 weeks. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.
| Parameter | iHabit | KinetStudy |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 91.3% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 66 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Guangzhou Quji Technology Co., Ltd. | 俊杰 沈 |
In-app purchases
iHabit
- iHabit 季度会员$1.493 Months
- iHabit 年度会员$2.991 Year
- 升级永久会员$1.99
- iHabit 永久会员$4.99
KinetStudy
No in-app purchases









