Comparison

Time Caps vs 给未来写封信

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

Head to head
About

Time Caps

Capture your thoughts and memories in digital time capsules to send to your future self. Organize your entries by mood and revisit past moments with unique features like 'Old Time' and 'Time Fortunes'.

Highlights
  • Daily mood-based journal entries
  • Send messages to your future self
  • Organize entries by timeline or calendar
  • Collect 'Time Fortunes' for writing
  • Voice message recording
  • Shake to reveal past entries
  • Siri and Shortcuts integration
Features
Read full description

***Featured on App Store*** Features: * Daily Caps: One day one cap, different colors for your different moods. * Today Card: Today's cap, On This Day, Old Time and fortune in one place. * Flow & Grid: Display journals in a timeline or a calendar. Fill your lovely life with colorful daily caps. * Years: Revisit each year from the sidebar, with all its caps and moods. * Time Fortunes: Collect fortunes by writing daily caps. Share in your mood color. * Future Caps: Write to your next birthday, to next Christmas, to the time after the exam/enrollment/entry, to the dear future you. * Echo Caps: Send yourself a piece of voice from the present. * Old Time: Shake your phone like a jar full of caps and meet your old days by serendipity. * Workshop: Regain cap pieces every day to craft more future caps. * Widgets: Meet your lovely widgets, glanceable anytime on your device. * Siri & Shortcuts: Write and open caps with Siri, Spotlight and Shortcuts. * iPad: Better on big screens, with multiple windows. * Account System: No more worry about accidentally removing the app or switching to a new phone. * Privacy Protection: Secure your journals with passcode lock or Touch ID/Face ID. * Daily Reminder: One day one cap! * Offline Use: Everything works well under no network connection. * Export & Share: Export your favorite caps to your albums or share them with your friends. * Time Traveler Pro: Subscribe to unlock exclusive features, enhance Daily Caps, double regaining Pieces, and enjoy premium sync. Your lovely designer and developer (same person :D) is working hard to explore and create more cool and useful features. Thanks for your liking and support! If you like it, don’t forget to come back for rating, encouraging your developer and helping Time Caps become better. Ideas or feedback are always welcome. Please email us at: hi.pol.chen@gmail.com. Crafted with love by Pol Terms of Use: https://timecaps.app/terms Privacy Policy: https://timecaps.app/privacy

About

给未来写封信

Features
Read full description

"ToFuture" Internet letter brand trusted by millions of users. Pick a sunny weekend afternoon, lying on the couch. Write a letter to the future~ May you live the way you want and remain proud forever. - Photo letter Record memorable pictures, look at the old photos after many years, you will feel the passing of time. - Voice letter Not only the words, but also the words that you want to say personally to the future can be recorded. - Hall Randomly present public letters from users around the world. - Me You can view the history of all letters Honor produced by Muuzi Studio.

Screenshots

Time Caps4 screens
给未来写封信4 screens

Verdict

The call

The clearest difference is update cadence: 给未来写封信 at every 3 weeks against Time Caps's every 2 months. Time Caps's advantage is ratings volume (156 vs 28). On price, rating, review sentiment and ads 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 Caps sells 6 in-app purchases, starting at $3.99 per month and 给未来写封信 sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Time Caps against 4.8 for 给未来写封信. That said, the two scores are not equally well evidenced: Time Caps has 156 ratings behind it against 28, so its average is the more settled of the two. Written reviews are what separate them: 84% of Time Caps's written reviews are positive against 83% of 给未来写封信's.

UpkeepUpdate frequency

Time Caps ships an update every 2 months, 给未来写封信 every 3 weeks. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

Scorecard2 real differences · 8 level
Time Caps versus 给未来写封信: the parameters behind the verdict, then further details
ParameterTime Caps给未来写封信
PriceFreeFree
Rating4.8 (156 ratings)4.8 (28 ratings) — better
Positive reviews83.7% of reviews — better82.6% of reviews
Number of ratings156 — better28
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size29 MB122 MB
Age rating4+17+
Developer灿海 陈庆桐 马

Customer experience

Time Caps

All ratings156 ratings
Positive96.2%
Neutral3.2%
Negative0.6%
Written reviews49 reviews
Positive83.7%
Neutral8.2%
Negative8.2%

给未来写封信

All ratings28 ratings
Positive96.4%
Neutral0.0%
Negative3.6%
Written reviews23 reviews
Positive82.6%
Neutral8.7%
Negative8.7%

Bugs and requests

Time Caps

Reported bugs

2 issues
  • 🐛 Interface issues with updates
  • 🐛 Face ID issues reported

Requested features

9 requests
  • Ability to export previous posts
  • Lower gem prices for capsules
  • More options for describing the day
  • Add template feature
  • Support dark mode
Show 4 more
  • Ability to add photos to daily journal entries
  • Option to get one future cap a week
  • Allow editing of old time caps without currency
  • More descriptive options for daily mood

给未来写封信

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Time Caps

Subscriptions2
  • Time Traveler Pro (Monthly)$3.991 Month
  • Time Traveler Pro (Yearly)7 Days trial$24.991 Year
One-time4
  • 1200 Cap Pieces$0.99
  • 2888 Cap Pieces$1.99
  • 3600 Cap Pieces$2.99
Show 1 more
  • 5000 Cap Pieces$3.99
8 purchases

给未来写封信

One-time8
  • 有声信件$0.99
  • 照片信件$0.99
  • 录音+照片信件$0.99
Show 5 more
  • 普通信件+1$0.99
  • Hope Card$0.99
  • 标准版纸质信$5.99
  • 礼盒版纸质信$9.99
  • True Love Card$12.99

Questions

Is Time Caps free?
Time Caps is free to download, with in-app purchases available.
Is 给未来写封信 free?
给未来写封信 is free to download, with in-app purchases available.
Which has better reviews, Time Caps or 给未来写封信?
给未来写封信 is rated higher. Time Caps averages 4.8 out of 5 from 156 ratings, while 给未来写封信 averages 4.8 from 28 ratings.
Do Time Caps or 给未来写封信 have ads?
Neither Time Caps nor 给未来写封信 shows ads.
Which is updated more often, Time Caps or 给未来写封信?
Time Caps ships an update every 2 months, and 给未来写封信 every 3 weeks. Most recently, Time Caps was updated on November 6, 2026 and 给未来写封信 on November 2, 2026.

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