Comparison

视力启蒙 vs Digital Sun Dial

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

Head to head
About

视力启蒙

Features
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新生儿宝宝视觉发育锻炼。 您知道吗?宝宝在刚出生的时候,看到所有的一切都是模糊的状态,在您细心的呵护下,他的视力会逐渐发育。 使用的使用请注意: 1. 请保持手机距离宝宝 30cm 以上,不可过近或者太远。 2. 左右缓慢移动,不可太快。 3. 可以左右滑动切换图片。 4. 点击图片可以切换黑白色。 【其他注意事项】 宝宝的眼睛非常脆弱,请不要长时间使用,每次可以给宝宝看 5-10 张,时间不要超过 10 分钟,以免造成宝宝远视储备不足。 App 只是用于替代实体黑白卡片用于宝宝视力训练追踪,请在宝宝状态良好的时候使用。App 不可代替医生,如有任何疑问,请联系专业医生咨询。 【内购说明】 App 内购为一次费用,用于升级高级版,后续不再收费。 https://baike.baidu.com/item/%E5%AE%9D%E5%AE%9D%E8%A7%86%E8%A7%89%E6%BF%80%E5%8F%91%EF%BC%9A%E9%BB%91%E7%99%BD%E5%8D%A11%EF%BC%88%E9%80%82%E5%90%880~6%E4%B8%AA%E6%9C%88%E5%AE%9D%E5%AE%9D%EF%BC%89/8821949

About

Digital Sun Dial

Features
Read full description

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.

Screenshots

视力启蒙3 screens
Digital Sun Dial4 screens

Verdict

The call

The clearest difference is price: 视力启蒙 at Free against Digital Sun Dial's $1.99. 视力启蒙 also leads on iOS requirement (12.0 vs 16.6). Digital Sun Dial's advantage is in-app purchases (none vs 1). On 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

CostPrice · In-app purchases · Ads · Monetization

视力启蒙 is free to download; Digital Sun Dial costs $1.99 up front. 视力启蒙 sells 1 one-off in-app purchase. Digital Sun Dial asks for nothing beyond the download.

Scorecard3 real differences · 3 level
视力启蒙 versus Digital Sun Dial: the parameters behind the verdict, then further details
Parameter视力启蒙Digital Sun Dial
PriceFree — better$1.99
Update frequency—Daily
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS12.0 — better16.6
Further details — not scored
Size25 MB49 MB
Age rating4+4+
Developer敬 潘MICHAEL JOHN HAMILTON

In-app purchases

1 purchases

视力启蒙

One-time1
  • Professional$2.99
None

Digital Sun Dial

No in-app purchases

Questions

Is 视力启蒙 free?
视力启蒙 is free to download, with in-app purchases available.
Is Digital Sun Dial free?
Digital Sun Dial costs $1.99, with no in-app purchases.
Do 视力启蒙 or Digital Sun Dial have ads?
Neither 视力启蒙 nor Digital Sun Dial shows ads.

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