Time Courier vs Hydropet
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Time Courier
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Do you ever: Open your social app, type a long rant, then delete it all Say “I’m fine” when you’re anything but fine Want to keep a journal, but can’t stick to a perfect daily habit Wonder, “Will this still matter to me in a year?” If that sounds like you, Time Courier is for you. What is Time Courier? Time Courier is a gentle journaling and mood app where you write letters to your future self. Capture how you really feel today, choose a day in the future, and let time deliver your words back to you. It’s not about productivity, streaks, or perfect pages. It’s about having a safe place to say, “This is how it really feels right now.” How you can use Time Courier • When you can’t post the truth online Instead of forcing a funny story or a filtered update, write honestly to future you. No audience. No performance. Just you on the page. • Choose a delivery date and let it go Send a letter to yourself 3 months from now, 1 year from now, or after a big turning point. On that day, you’ll get a notification: “A letter from your past self has arrived.” • Capture feelings, not perfect sentences You don’t need to write beautifully. One line is enough: “I’m exhausted.” “I’m scared.” “I’m proud.” Future you will understand exactly what you meant. • See how far you’ve quietly come As letters unlock, they become a private emotional timeline. You’ll see the nights you thought you’d never get through— and the fact that you did. • A private, judgment-free space No likes. No comments. No followers. Just a quiet little inbox where every message is from someone who truly gets you: you. Time Courier is for you if… You feel drained from always acting “okay” around others You’re in a season of change: breakup, new job, moving, studying, parenting You want to know what future you will think of today’s worries You want gentle proof that you really did your best during the hard parts Send today’s feelings forward. Let your future self open the letter and whisper back: “You were braver than you knew.” Time Courier – a mailbox between you and your future self. Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://lijunchenapp.com/TimeCourier-PrivacyPolicy.html
Hydropet
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Staying hydrated is one of the simplest things you can do for your health — Hydropet makes it the easiest, too. Most hydration apps feel like chores. Hydropet feels like a habit you actually want to keep. With a beautiful interface and one-tap logging, tracking your water intake takes less than a second and leaves you genuinely motivated to come back tomorrow. Log water instantly with a single tap. Hydropet lets you customize your favorite cup sizes so there's no math, no friction — just fast, satisfying logging every time you take a sip. Your daily progress ring fills as you go, making every glass feel like a small win. Smart reminders do the heavy lifting. Hydropet sends hydration nudges when you actually need them, adapting to your schedule so they never feel intrusive. It also tracks caffeine so you can see exactly how coffee and tea affect your overall hydration balance throughout the day. Daily streaks keep you coming back. There's something deeply motivating about a streak worth protecting. Hydropet's streak system and progress rings give your habit a visual momentum that turns "I should drink more water" into something you actually do — every single day. Built for Apple Watch and the full Apple ecosystem. The companion Watch app lets you log water and check your progress right from your wrist, with always-on complications for a quick glance anytime. iCloud sync keeps everything perfectly up to date across your iPhone, iPad, and Apple Watch — seamlessly and automatically. Your progress, anywhere you look. Home Screen and Lock Screen widgets put your hydration goal front and center without ever opening the app. Weekly and monthly history charts help you spot trends over time, and CSV export means your data is always yours to keep. Hydropet is hydration tracking done right — simple enough to stick with, smart enough to make a real difference. Download Hydropet today and take your first sip toward a healthier you.
Screenshots
Verdict
The clearest difference is in-app purchases: Hydropet at none against Time Courier's 3. 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
Both are free to download. Time Courier sells 3 in-app purchases, starting at $1.99 per month. Hydropet asks for nothing beyond the download.
| Parameter | Time Courier | Hydropet |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 18.4 | 18.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | 俊辰 黎 | Ashish Kumar |
In-app purchases
Time Courier
- Monthly Membership$1.991 Month
- Annual Membership$6.991 Year
- Lifetime Membership$9.99
Hydropet
No in-app purchases









