Birthday assistant app vs 1DayS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Birthday assistant app
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Birthday reminder assistant is a kind of thoughtful birthday reminder tool, which can be used for birthday, memorial day, countdown day and festival. It supports birthday and date reminders of lunar calendar. Each passing day is worth remembering. When the birthday comes, it will automatically remind you whether to send birthday cards and invitations to your friends, so that you can commemorate and participate in every important festival together. Whether it's friends, classmates or relatives, you can use this birthday reminder assistant tool, or you can print the photos after the party into a meaningful book, leaving a good memory. Birthday reminder assistant integrates birthday reminder, birthday countdown, birthday greeting card, anniversary invitation, countdown and other contents, and can view 7-day weather forecast and other functions. From birthday reminder to birthday blessing, birthday greeting card, customized birthday video, birthday invitation letter, birthday photo book, customized birthday gift, customized birthday gift and other one-stop birthday butler services, let you calmly deal with friends or your own birthday, important anniversary and so on.
1DayS
This app helps you track and remember important dates like birthdays, anniversaries, holidays, and deadlines. It offers customizable widgets, cloud synchronization, and a choice of UI themes. Never miss a significant event again with precise reminders.
- Track birthdays, anniversaries, holidays, deadlines
- Public and lunar calendar support
- Customizable widgets
- Cloud synchronization
- Multiple background options
- One-click public holiday addition
- Light and dark UI themes
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“1DayS”是你的首选纪念日管理工具，让你不再错过任何重要日子。不管是过去还是未来，亦或是当下，无论是生日、纪念日，还是节日、还款日，亦或是考试倒计时、发工资倒计时，都会精确为您记录和提醒。 亮点功能 l 支持公历/农历 l 多款小组件灵活自定义 l 云端同步，重要日子不怕丢失 l 多款风景背景供选择 l 公共节日一键添加 l 日子长按排序，随心而定 l 浅色深色两套UI主题 隐私声明： https://www.kairusi.com/1days-privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: 1DayS at none against Birthday assistant app's 1. 1DayS also leads on iOS requirement (12.0 vs 15.6). On price, 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
Both are free to download. Birthday assistant app sells 1 one-off in-app purchase. 1DayS asks for nothing beyond the download.
Birthday assistant app ships an update fortnightly, 1DayS every 3 weeks. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.
| Parameter | Birthday assistant app | 1DayS |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 70 MB | 102 MB |
| Age rating | 4+ | 4+ |
| Developer | 小花 邓 | KAIROS Company Limited |
In-app purchases
Birthday assistant app
- 一年会员功能使用购买$5.99
1DayS
No in-app purchases
