PrincipleX vs 叶子
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PrincipleX
Capture, reflect on, and grow with your personal principles. This app helps you organize your guiding beliefs and build the habit of living by them through daily reminders and journaling.
- Create and organize personal principles
- Manage principles with folders and tags
- Daily principle practice reminders
- Reflective journaling for personal growth
- Pin important principles for daily focus
- iCloud sync across devices
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Keep useful ideas from getting lost in your saved notes. Collect your own principles, reading excerpts and life lessons, then return to them with reminders and reflection. SAVE WHAT YOU WANT TO REMEMBER Write down a personal principle, a quote or a lesson from experience. Add its source and the context behind it. Build a personal library of ideas worth revisiting. ORGANIZE YOUR COLLECTION Use folders, tags and sources to bring structure to thoughts from work, reading and everyday life. SEE YOUR IDEAS AGAIN Choose daily reminders, pin a principle you want to keep in mind, or revisit it in a Home Screen widget. Set a rhythm that works for you. MAKE THE MEANING YOUR OWN Add reflections to each principle. When was it useful? What do you understand differently now? Keep the idea and your experience together. DISCOVER, SHARE AND SYNC Explore ideas to add to your library, turn a principle into a shareable image, and use iCloud sync across your own compatible devices. START FREE. UNLOCK ONCE. Save up to 20 principles for free. A one-time lifetime purchase removes the limit on adding principles, with no subscription. Signature Color and purchases to support the developer are separate, optional items and are not included in the lifetime unlock. Local prices appear in the app. Use Restore Purchases to check existing access. OPTIONAL SIRI ACCESS On supported systems running iOS 27 or later, you can allow Siri to find, read or open saved principles. Access to reflections is controlled separately. Availability depends on your device, language, region and system settings. Privacy policy: https://xzwings.com/xzwings/principlex.html Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
叶子
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叶子,一款极简风格的每日语录应用。 每次打开,都是一次与文字的邂逅。滑动指尖,在诗词古韵、治愈文案、哲思名言、影视经典中穿梭,总有一句话能触动你的心弦。 【特色功能】 • 海量语录 - 收录近2万条精选内容,涵盖古诗词、现代文案、哲学名言、动漫台词、影视经典等 • 极简设计 - 纯净界面,专注阅读,灵感源自 • 随心定制 - 自由调节字体大小、粗细,选择喜欢的文字与背景颜色 • 完全随机 - 每次启动、每次滑动都是全新的惊喜 【内容分类】 诗词 | 文案 | 文学 | 动画 | 哲学 | 影视 | 游戏 | 漫画 【使用场景】 - 清晨醒来,用一句话开启新的一天 - 通勤路上,在文字中寻找片刻宁静 - 睡前时光,让温暖的句子伴你入眠 - 朋友圈配文,总能找到那句恰到好处的话 愿这款小应用,能在平凡的日子里,为你带来一点点不期而遇的感动。
Screenshots
Verdict
The clearest difference is in-app purchases: 叶子 at none against PrincipleX's 5. 叶子 also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (16 vs 18.0). PrincipleX's advantage is ads (none vs shown). On price 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. PrincipleX sells 5 in-app purchases, starting at $2.99 per month. 叶子 asks for nothing beyond the download.
PrincipleX ships an update every 3 weeks, 叶子 every 3 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.
| Parameter | PrincipleX | 叶子 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Paid | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 18.0 | 16 — better |
| Further details — not scored | ||
| Size | 7 MB | 18 MB |
| Age rating | 4+ | 17+ |
| Developer | 旭 夏 | 燕梅 高 |
In-app purchases
PrincipleX
- Monthly Plan$2.991 Month
- Annual Plan$14.991 Year
- A Coffee$1.00
- Signature Color$3.00
- Lifetime Access$9.99
叶子
No in-app purchases









