MarkTimes vs SunAlly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MarkTimes
Easily record and track life events and health issues. Visualize your history with timelines and statistical charts to understand trends. Set reminders to ensure consistent tracking and maintain privacy with local or iCloud synced data.
- Event and health issue tracking
- Timeline and calendar view
- Statistical charts for trend analysis
- Customizable event properties
- Regular and unoccurred reminders
- Local and iCloud data sync
Read full descriptionHide full description
MarkTimes can help you keep track of every life events and health issues. Have you ever struggled to remember how many times you drank coffee in a week, when was the last time your family did a major cleaning, or what caused your last upset stomach? These questions can be hard to recall, right? MarkTimes can help you keep track of these life events and health issues. You can easily record any event and view your history through a timeline. Utilize statistical charts to understand trends, helping you better understand yourself. --- ► Timeline Displayed through a timeline and calendar view, you can quickly and clearly review records of any event or time. ► Charts View the frequency of your events over time in a clear chart. Compare and review trends on a daily, monthly, or yearly basis. ► Event Property You can add property to events to record different aspects. Currently, numerical and single-selection types are supported. After recording these property,s you can view them on the timeline and charts. ► Reminders You can set regular reminders for events to encourage you to record regularly. For events that haven't occurred, unoccurred reminders can alert you when the set number of days have passed. ► Privacy and Security We understand the sensitivity of your personal data. All your data is stored locally or on other devices where you have actively enabled iCloud sync. --- ► MarkTimes Pro Membership As a member, you can unlock all paid features of MarkTimes and enjoy free updates for future premium features. After confirming your purchase, payment will be charged to your iTunes account. Your Apple iTunes account will be charged for renewal within 24 hours before the end of the current period. You can manage or turn off auto-renewal in your iTunes Account Settings at any time after purchase. If you don’t cancel your subscription during the trial period, your subscription will automatically renew at the end of the trial period and you will be charged accordingly. Unused trial time will be forfeited upon purchasing a subscription. Whether to cancel the service is entirely up to you. If you choose not to cancel, you will be automatically enrolled in the renewal service for the next billing period. User Agreement: https://www.yuque.com/mojimomo/rol87o/gu6qh1uzb01hwwg5 Privacy Policy: https://www.yuque.com/mojimomo/rol87o/kq79146gbawz6615
SunAlly
This app helps you optimize your time outdoors for health benefits like vitamin D synthesis and improved well-being. It provides personalized recommendations, real-time UV monitoring, and smart reminders for safe and beneficial sun exposure.
- Optimal outdoor activity time recommendations
- Real-time UV level monitoring
- Smart UV risk prevention reminders
- Vitamin D synthesis estimation
- Personalized health recommendations
- Apple Health integration
- HRV stress monitoring
Read full descriptionHide full description
SunAlly is your intelligent sunlight companion, helping you fully embrace the health and vitality that sunlight brings while maintaining optimal wellness. ◎ How SunAlly Helps You Through intelligent monitoring and personalized recommendations, SunAlly helps you find the perfect times for outdoor activities, making it easy to get sufficient vitamin D and enhance your overall wellbeing. Beautiful data visualizations give you clear insights into your daily sunlight intake, while smart reminders ensure you never miss the perfect outdoor moment. ◎ Core Features - Optimal outdoor activity time recommendations - Real-time UV level monitoring and protection guidance - Smart reminder system for UV risk prevention - Intelligent vitamin D synthesis estimation and trend tracking - Personalized health recommendations for continuous support - Comprehensive health data integration and cross-impact analysis - Rich collection of Apple Watch complications - HRV stress monitoring and real-time alerts ◎ Design Philosophy We believe sunlight is nature's most precious gift to humanity. SunAlly's design centers on user health, promoting the benefits of appropriate sun exposure while helping users prevent potential harm from overexposure. We strive to create a simple, practical, and user-friendly application that makes every outdoor activity more enjoyable and safer. ◎ Target Users - Urban dwellers pursuing a healthy lifestyle - Outdoor sports and fitness enthusiasts - Health-conscious wellness seekers - Anyone looking to develop regular outdoor activity habits ◎ Apple Health Integration SunAlly deeply integrates with Apple Health, recording and analyzing multiple health metrics including sunlight exposure and HRV. Paired with Apple Watch, it helps you stay informed about your body's condition and easily plan outdoor activities. ◎ Health Advisory Disclaimer The sunlight exposure duration and vitamin D synthesis estimates provided by SunAlly are for reference only. Due to individual differences and environmental variations, actual conditions may vary. This data does not constitute medical advice in any form. If you have specific concerns about outdoor activities or vitamin D supplementation, please consult a medical professional. ◎ Premium Function - Review historical health status - Weekly/monthly/yearly sunlight trend - Weekly/monthly/yearly Vitamin D trend - Extra HRV watch face cartoon character - Sunlight and UV analysis - Detailed Vitamin D supplement advice Payment will be charged to subscriber’s iTunes account at the confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Subscriber’s account will be charged for renewal within 24 hours prior to the end of the current period. Subscribers can manage their subscriptions by going to their account settings on the App Store. For technical assistance, please contact our team: Privacy Policy: https://dev.freenotetech.com/sunally/policy/ Terms of Service: https://dev.freenotetech.com/sunally/terms/
Screenshots
Verdict
The clearest difference is rating: MarkTimes at 5.0 against SunAlly's 4.3. MarkTimes also leads on review sentiment (100% vs 60%) and ratings volume (52 vs 9). 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. MarkTimes sells 4 in-app purchases, starting at $0.99 per month and SunAlly sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
MarkTimes holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: MarkTimes has 52 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 100% of MarkTimes's written reviews are positive against 60% of SunAlly's.
MarkTimes ships an update every 5 days, SunAlly weekly. The most recent releases landed on September 26, 2026 and August 21, 2026 respectively.
| Parameter | MarkTimes | SunAlly |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (52 ratings) — better | 4.3 (9 ratings) |
| Positive reviews | 100.0% of reviews — better | 60.0% of reviews |
| Number of ratings | 52 — better | 9 |
| Update frequency | Every 5 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Freemium |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, Apple Watch |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 75 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Ji Mo | Hangzhou Freedom Note Artificial Intelligence Technology Co., Ltd |
Customer experience
MarkTimes
SunAlly
In-app purchases
MarkTimes
- Membership - One Month$0.991 Month
- Membership - OneYear7 Days trial$8.991 Year
- Lifetime Membership$12.99
- Lifetime Membership$24.99
SunAlly
- Premium SunAlly HRV Monthly$4.991 Month
- Premium SunAlly HRV Yearly$19.991 Year
- Premium SunAlly HRV Lifetime$29.99









