Digital Sun Dial vs True Solar Time (真太陽時)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Digital Sun Dial
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Rediscover Time with Digital Sun Dial Step back into the natural rhythm of time with Digital Sun Dial: a beautifully crafted sundial app for iPhone, iPad, and Apple Watch that brings ancient timekeeping into the palm of your hand. FEATURES: • True Solar Time: See the real time based on the Sun’s position at your location or any time zone you choose. • Interactive Sundial: Watch time unfold on a full 24-hour circular dial that shifts to match your chosen time system. • Customizable Zones: Select any time zone to view solar and standard times around the world. • Astronomical Anchors: View sunrise, sunset, solar noon, and antinoon across all modes. • Halachic Time: Follow sunrise-to-sunset hours in line with the Vilna Gaon’s tradition. • Bohemian (Italic) Time: Explore this sunset-to-sunrise timekeeping tradition from pre-modern Europe. • Dynamic Dial: The sundial adjusts its hour markers automatically based on the selected mode. • Clean, Minimal UI: Designed for clarity and focus, with no clutter or distractions. WHY SOLAR TIME? • Reconnect with Nature’s Clock: Your body responds best to the light of the sun, not the tick of the clock. Use Digital Sun Dial to align your sleep, meals, and mindfulness with your natural circadian rhythm. • Better Sleep, Better Health: Being aware of the true solar day may help you reduce sleep disruption and regain natural energy flow. • Faithful Timekeeping: For Jewish users, Halachic time tracking supports prayer and observance throughout the day. • Steampunk Meets Science: A perfect blend of vintage aesthetics and modern astronomy for time enthusiasts, hobbyists, and curious minds. Whether you’re looking to live more mindfully, observe traditional time systems, or just want a stunning and functional sundial on your wrist or phone, Digital Sun Dial offers a unique, science-backed way to tell time, just as nature intended.
True Solar Time (真太陽時)
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真太陽時 - 融合天文算法與包浩斯美學的八字工具 專為玄學愛好者與專業命理師打造,這不僅是一個計算器,更是一件掌中的藝術品。摒棄傳統玄學 App 的老舊介面,我們採用極簡 **包浩斯 (Bauhaus)** 設計風格,讓排盤清晰、精準、優雅。 **核心功能:** 1. **極致精準的真太陽時** * 採用天文算法 (Jean Meeus),精確計算「均時差 (Equation of Time)」。 * 結合 GPS 定位與經度校正,還原最真實的太陽時間。 * 內置全球熱門城市數據庫 (香港、台北、北京、紐約、倫敦等),自動匹配時區與夏令時間 (DST)。 2. **專業八字排盤** * 支援四柱 (年、月、日、時) 排列。 * **五行配色**:直觀顯示金(黃)、木(青)、水(藍)、火(紅)、土(啡) 五行屬性。 * 介面簡潔,專注於天干地支的核心資訊。 3. **農曆與節氣** * 精準對照農曆日期。 * 即時顯示「上一節氣」與「下一節氣」的交接時間與天數差距。 4. **包浩斯美學設計** * 大膽的幾何色塊與粗線條設計。 * 米色護眼背景,配合高對比度文字,閱讀舒適。 **適用對象:** * 八字命理師 * 風水師 * 中國傳統文化愛好者 **立即下載,體驗最精準、最優雅的真太陽時計算工具!**
Screenshots
Verdict
The clearest difference is price: True Solar Time (真太陽時) at Free against Digital Sun Dial's $1.99. True Solar Time (真太陽時) also leads on iOS requirement (13.0 vs 16.6). Digital Sun Dial's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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
True Solar Time (真太陽時) is free to download; Digital Sun Dial costs $1.99 up front. True Solar Time (真太陽時) sells 1 one-off in-app purchase. Digital Sun Dial asks for nothing beyond the download.
Digital Sun Dial ships an update daily, True Solar Time (真太陽時) every 5 days. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.
| Parameter | Digital Sun Dial | True Solar Time (真太陽時) |
|---|---|---|
| Price | $1.99 | Free — better |
| Update frequency | Daily — better | Every 5 days |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 49 MB | 24 MB |
| Age rating | 4+ | 17+ |
| Developer | MICHAEL JOHN HAMILTON | Tsz Fung Shing |
In-app purchases
Digital Sun Dial
No in-app purchases
True Solar Time (真太陽時)
- 購買移除廣告$4.99
Questions
Is Digital Sun Dial free?
Is True Solar Time (真太陽時) free?
Do Digital Sun Dial or True Solar Time (真太陽時) have ads?
Which is updated more often, Digital Sun Dial or True Solar Time (真太陽時)?
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