Comparison

Time Machine vs Sun Based Time

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

Head to head
About

Time Machine

Visualize your life's timeline and track important dates. This app helps you see how much time has passed, count down to future events, and preserve memories with photos and messages. It also allows you to create time capsules for your future self.

Highlights
  • Visualize time lived
  • Track week, month, and year progress
  • Countdown to future events
  • Save memories with photos and text
  • Create time capsules for future self
Features
Read full description

How much time has become part of your story? Time Machine gives you a fresh way to see the passing of time and remember the moments that matter. YOUR LIFE, IN TIME Enter your date of birth and explore how much time you've lived. See the progress of your week, month and year, and take a closer look at the time remaining in your day. DATES THAT MATTER Keep track of birthdays, anniversaries and personal milestones. See the time until or since each event, and explore your dates in the calendar. KEEP YOUR MEMORIES Save photos and words in memory albums for your important days, and revisit moments from the past. A MESSAGE TO THE FUTURE Seal a time capsule with a message to your future self and choose when to open it. About time. About you.

About

Sun Based Time

This app uses the sun's position to help you schedule your day and set alarms. It offers features like countdowns to sunrise and sunset, and alarms based on solar events or desired sleep duration. Visualize the sun's path and integrate with your calendar for a natural approach to time management.

Highlights
  • Sun-based clock
  • Countdown to sunrise/sunset
  • Visualize sun's path
  • Alarms by sun position
  • Wake by sleep duration
  • Sleep window by sunset/sunrise
  • Calendar integration
Features
Read full description

A clock and alarm app based on the sun, using the position of the sun where you are, with sleep scheduling in relation to sunrise and sunset. Sun Based Time gives you a grounded way to align with natural light. FEATURES ◆ Sun Based Clock - Countdown to Sunrise & Sunset Always know how long until sunrise or sunset. ◆ Visualize the Sun's Path Easily get a feel for which part of the day you are in. ◆ Set Alarms by the Sun Schedule alarms relative to sunrise, sunset, or solar noon. ◆ Wake Alarm by Sleep Duration Choose how long you want to sleep and dynamically wake after that long. ◆ Sleep Window by Sunset or Sunrise Set your sleep window in relation to sunset or sunrise. ◆ Custom Alarm Tones Choose from a curated set of calming default tones, or pick your own. Wake the way you want to wake. ◆ Calendar View A calendar grounded in the cyclical energies that shape the earth. With calendar integrations like Google Calendar. ◆ Privacy-Respecting Your data stays on your phone. Solar position based time is in tune with the rhythms you experience. Sun Based Time gives you a reference so you can increase your awareness of the relationships between cycles. ~~~~~~~~~~~~~~~~ From sunset, sunrise.

Screenshots

Time Machine4 screens
Sun Based Time4 screens

Verdict

The call

The clearest difference is rating: Time Machine at 4.5 against Sun Based Time's 4.0. Time Machine also leads on ratings volume (11 vs 2). Sun Based Time's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, 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. Time Machine sells 2 in-app purchases, starting at $0.49 per month. Sun Based Time asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Time Machine holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Time Machine has 11 ratings behind it against 2, so its average is the more settled of the two.

Scorecard5 real differences · 5 level
Time Machine versus Sun Based Time: the parameters behind the verdict, then further details
ParameterTime MachineSun Based Time
PriceFreeFree
Rating4.5 (11 ratings) — better4.0 (2 ratings)
Positive reviews66.7% of reviews—
Number of ratings11 — better2
Update frequencyFortnightly—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size71 MB57 MB
Age rating4+4+
Developer红升 孙JAVED SHAH

Customer experience

Time Machine

All ratings11 ratings
Positive81.8%
Neutral18.2%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

Sun Based Time

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Time Machine

Subscriptions2
  • 时间机器1月高级会员$0.491 Month
  • 时间机器1年高级会员3 Days trial$5.991 Year
None

Sun Based Time

No in-app purchases

Questions

Is Time Machine free?
Time Machine is free to download, with in-app purchases available.
Is Sun Based Time free?
Sun Based Time is free to download, with no in-app purchases.
Which has better reviews, Time Machine or Sun Based Time?
Time Machine is rated higher. Time Machine averages 4.5 out of 5 from 11 ratings, while Sun Based Time averages 4.0 from 2 ratings.
Do Time Machine or Sun Based Time have ads?
Time Machine shows ads; Sun Based Time does not.

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