Comparison

VitaCharge vs Know & Act

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

Head to head
About

VitaCharge

This app helps you manage your personal energy balance by tracking gains and losses from daily activities. It offers smart reminders, reflection tools, and visual analytics to understand your energy trends and optimize your life rhythm. The interface adapts to the time of day for better eye comfort.

Highlights
  • Quantify energy balance
  • Smart time reminders
  • Integrated deep reflection
  • Visual data analytics
  • Smart theme switching
  • iCloud sync
Features
Read full description

Vita Charge is an innovative personal energy management app. It helps you quantify your daily energy balance, moving you away from aimless busyness. Core Features: - Quantify Energy Balance: Track the energy gain or loss from activities like work, study, and socializing to understand where your energy goes. - Smart Time Reminders: Features a time-passage simulation with hourly nudges to foster time awareness. Adjust the reminder frequency based on your personal energy expenditure. - Integrated Deep Reflection: Jot down insights while logging energy changes to discover your optimal life rhythm. - Visual Data Analytics:** Review your energy trends through charts to identify your peak performance and low-energy periods. - Smart Theme Switching:** The interface auto-adjusts between light and dark modes based on the time of day for eye comfort. Manual theme selection is also available. - Seamless iCloud Sync:** Your data syncs securely across all your Apple devices for access anywhere, anytime. Ideal For: - Busy professionals seeking work-energy balance. - Students pursuing efficiency who need to schedule study and rest scientifically. - Anyone looking to gain better control over their life and improve their energy levels. Manage your "Life Battery" scientifically to find your perfect rhythm and start each day with efficiency and ease.

About

Know & Act

Features
Read full description

Know & Act is a minimalist self-reflection and action journal built on the philosophy of mind (心学) of Wang Yangming. Five hundred years ago, in exile at Longchang, Wang Yangming reached his awakening and taught the unity of knowing and acting (知行合一): knowing is the beginning of action, and action is the completion of knowing. To know and yet not act is not yet truly to know. This app skips the platitudes and the dense classical quotes. It helps you do one thing — turn the conscience already in your heart into one real step you take today. Three lines a day: your daily practice · Today's insight — What do I know I should do today? · Today's action — What one step did I actually take today? · Today's reflection — What held me back from acting today? Defeat the thief within Wang Yangming said, "Defeating the bandits in the mountains is easy; defeating the thief within the heart is hard." Procrastination, fear, pride, anxiety, impatience, avoidance, self-deception — name the biggest inner thief of your day, and the app offers a small practice to match it. Seeing it clearly is the first step toward realizing your innate conscience (致良知). Polish yourself in action (事上磨练) This wisdom lives not in books but in what you do. Streak days and monthly completions, a check-in calendar that reveals the arc of your persistence, and a map of your most common inner thieves help you meet your true self in the ordinary affairs of everyday life. Quiet, restrained, spacious A warm rice-paper background, ink-dark type, a few clean Eastern lines. Like a journal of the mind that belongs to you alone. Fully local, privacy first Every entry is stored only on your device — never uploaded, never connected, never collecting any personal information. Export to JSON anytime, or clear everything with a single tap. One minute a day. Train your mind in action. Know and act as one.

Screenshots

VitaCharge4 screens
Know & Act4 screens

Verdict

The call

The clearest difference is in-app purchases: VitaCharge at none against Know & Act's 1. VitaCharge also leads on ads (none vs shown). Know & Act's advantage is update cadence (every 2 days vs every 2 weeks) and iOS requirement (13.0 vs 18.6). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Know & Act sells 1 one-off in-app purchase. VitaCharge asks for nothing beyond the download.

UpkeepUpdate frequency

VitaCharge ships an update every 2 weeks, Know & Act every 2 days. Both last shipped on October 31, 2026.

Scorecard4 real differences · 6 level
VitaCharge versus Know & Act: the parameters behind the verdict, then further details
ParameterVitaChargeKnow & Act
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 weeksEvery 2 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPod — better
Requires iOS18.613.0 — better
Further details — not scored
Size6 MB36 MB
Age rating4+4+
Developer玉庭 何zhenyu song

In-app purchases

None

VitaCharge

No in-app purchases

1 purchases

Know & Act

One-time1
  • Remove Ads Pro$1.99

Questions

Is VitaCharge free?
VitaCharge is free to download, with no in-app purchases.
Is Know & Act free?
Know & Act is free to download, with in-app purchases available.
Do VitaCharge or Know & Act have ads?
Know & Act shows ads; VitaCharge does not.
Which is updated more often, VitaCharge or Know & Act?
VitaCharge ships an update every 2 weeks, and Know & Act every 2 days. Most recently, VitaCharge was updated on October 31, 2026 and Know & Act on October 31, 2026.

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