Comparison

SunAlly vs 经落

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read 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/

About

经落

Features
Read full description

经落是一款女性经期 app, 旨在帮助女性和月经建立起更好的关系。功能有: - 月经记录:记录月经时间 - 阶段说明:不只有月经期,还有黄体期、卵泡期 - 征兆记录:胸痛、肚痛、白带状态等 - 心情记录:快乐、疲倦、虚荣、能量充沛等 - 激素曲线:不同阶段显示体内激素到达不同的位置 隐私协议:https://hbvp8dlmlt.feishu.cn/docx/J2BaddndEoHbeHxtpW5cK5G3nug 服务条款:https://hbvp8dlmlt.feishu.cn/docx/AlZ2d4w74oWs8yxLkxfc2WKsnFg

Screenshots

SunAlly4 screens
经落4 screens

Verdict

The call

The clearest difference is review sentiment: 经落 at 100% against SunAlly's 60%. 经落 also leads on rating (4.0 vs 3.5). SunAlly's advantage is ads (none vs shown). On price, ratings volume, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SunAlly sells 3 in-app purchases, starting at $4.99 per month and 经落 sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

经落 holds the better App Store score, 4.0 against 3.5. Both are backed by a comparable volume of ratings — 11 and 4 respectively. Written reviews point the same way: 60% of SunAlly's written reviews are positive against 100% of 经落's.

UpkeepUpdate frequency

SunAlly ships an update weekly, 经落 every 4 days. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

Scorecard3 real differences · 7 level
SunAlly versus 经落: the parameters behind the verdict, then further details
ParameterSunAlly经落
PriceFreeFree
Rating3.5 (11 ratings)4.0 (4 ratings) — better
Positive reviews60.0% of reviews100.0% of reviews — better
Number of ratings11 — better4
Update frequencyWeeklyEvery 4 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, Apple WatchiPhone, iPad
Requires iOS17.016.0 — better
Further details — not scored
Size58 MB25 MB
Age rating4+12+
DeveloperHangzhou Freedom Note Artificial Intelligence Technology Co., Ltd伟懿 王

Customer experience

SunAlly

All ratings9 ratings
Positive77.8%
Neutral11.1%
Negative11.1%
Written reviews10 reviews
Positive60.0%
Neutral10.0%
Negative30.0%

经落

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

SunAlly

Subscriptions2
  • Premium SunAlly HRV Monthly$4.991 Month
  • Premium SunAlly HRV Yearly$19.991 Year
One-time1
  • Premium SunAlly HRV Lifetime$29.99
3 purchases

经落

Subscriptions3
  • 经落$3.991 Month
  • 经落7 Days trial$14.991 Year
  • 经落$14.991 Year

Questions

Is SunAlly free?
SunAlly is free to download, with in-app purchases available.
Is 经落 free?
经落 is free to download, with in-app purchases available.
Which has better reviews, SunAlly or 经落?
经落 is rated higher. SunAlly averages 3.5 out of 5 from 11 ratings, while 经落 averages 4.0 from 4 ratings.
Do SunAlly or 经落 have ads?
经落 shows ads; SunAlly does not.
Which is updated more often, SunAlly or 经落?
SunAlly ships an update weekly, and 经落 every 4 days. Most recently, SunAlly was updated on October 21, 2026 and 经落 on October 20, 2026.

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