Comparison

Empty Fasting vs SadBox

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

Head to head
About

Empty Fasting

This app helps users focus on a single fasting period at a time, offering both overnight and daytime schedules. It provides customizable themes and icons, home screen widgets, and tracks fasting streaks and trends with encouraging messages.

Highlights
  • Single fast focus
  • Home screen widgets
  • Overnight and daytime schedules
  • Customizable themes and icons
  • Streak and trend statistics
  • Encouragement during fasts
Read full description

· Full-focus on one fast at a time · Home screen widgets & live activities · Overnight and daytime fasting schedules · Make it yours with 6 themes and 18 icons · Statistics for your streaks and trends · Encouragement throughout your fasts

About

SadBox

Features
Read full description

Some things aren’t safe to post on social media. This app gives you a private emotional journal where you can say anything—your fears, secrets, frustrations, late-night thoughts—completely without pressure. No followers. No likes. No algorithms. Just a safe space to be honest. SadBox — Your Safe Emotional Space Feeling overwhelmed, stressed, or carrying emotions with nowhere to release them? SadBox gives you a private place to express freely, calm your mind, and understand yourself better. Why SadBox Helps Private emotional journaling — no judgment, no pressure Stress-relief through writing — let emotions out safely Simple emotional trends & insights Build emotional resilience over time A quiet space with no social features Key Features Secure emotional journal Stress & calm index Emotion history timeline Clean, distraction-free design Works anytime, even offline SadBox gives your emotions a safe home, so your mind can breathe again. Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://lijunchenapp.com/SadBoxprivacy.html

Screenshots

Empty Fasting4 screens
SadBox4 screens

Verdict

The call

The clearest difference is in-app purchases: Empty Fasting at none against SadBox's 4. Empty Fasting also leads on update cadence (every 3 days vs every 4 weeks). On price, ads, device support and iOS requirement 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. SadBox sells 4 in-app purchases, starting at $1.99 per month. Empty Fasting asks for nothing beyond the download.

UpkeepUpdate frequency

Empty Fasting ships an update every 3 days, SadBox every 4 weeks. The most recent releases landed on August 15, 2026 and September 7, 2026 respectively.

Scorecard2 real differences · 8 level
Empty Fasting versus SadBox: the parameters behind the verdict, then further details
ParameterEmpty FastingSadBox
PriceFreeFree
Rating4.7 (68 ratings) — better—
Positive reviews83.3% of reviews—
Number of ratings68 — better—
Update frequencyEvery 3 days — betterEvery 4 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.0 — better18.0
Further details — not scored
Size169 MB14 MB
Age rating17+4+
DeveloperLight Nudge俊辰 黎

In-app purchases

None

Empty Fasting

No in-app purchases

4 purchases

SadBox

Subscriptions3
  • Monthly Membership$1.991 Month
  • Quarterly Membership$4.993 Months
  • Annual Membership$8.991 Year
One-time1
  • Lifetime Membership$12.99

Questions

Is Empty Fasting free?
Empty Fasting is free to download, with no in-app purchases.
Is SadBox free?
SadBox is free to download, with in-app purchases available.
Do Empty Fasting or SadBox have ads?
Neither Empty Fasting nor SadBox shows ads.
Which is updated more often, Empty Fasting or SadBox?
Empty Fasting ships an update every 3 days, and SadBox every 4 weeks. Most recently, Empty Fasting was updated on August 15, 2026 and SadBox on September 7, 2026.

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