DawnBox vs Postmello
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DawnBox
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DawnBox is a private time capsule app for messages that should arrive later—not now. Write a note, add a photo, or record a voice message. Seal it into a capsule, choose an unlock date, and send it to someone you care about or keep it for your future self. When the morning arrives, DawnBox reveals it with a gentle, ceremonial opening experience that makes the moment feel special. **Why DawnBox feels different** - Seal text, photo, and voice into one capsule - Unlock on a future date you choose - Share privately through local system sharing - Designed for birthdays, anniversaries, encouragement, and long-distance moments - Offline-first and private by design - One-time purchase, no ads, no subscription **Built for privacy** Capsule content is stored locally and protected for personal use. No account system, no feed, and no unnecessary cloud dependency. **For people who like meaningful surprises** DawnBox turns simple messages into memorable moments.
Postmello
Create and send personalized digital letters with friends and family. Design unique desks, choose stationery, and add custom stamps. Enjoy a connected experience without the pressure of constant notifications.
- Write and draw digital letters
- Customize desks and stationery
- Add stickers and stamps
- Send letters to friends and family
- Receive replies via email
- PIN-protected privacy settings
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Keep in touch without texting. Write and draw digital letters with friends and family, on iPhone and iPad. Choose the paper, write, draw or type, add stickers, stamp the envelope and send. A whole letter, made for someone. Their very own place: a desk that feels like them, and papers, envelopes, stamps and stickers in every collection. Connected, not always on. No chat bubbles, typing dots or read receipts, just a mailbox flag when a letter arrives. Their independence, your boundaries. Only friends you approve, settings behind your PIN, no photos or videos, and letters can't be forwarded. Friends and family without the app write back by email, and their reply arrives as a letter: words only, with no links, photos or attachments. Desks, friends, letters and replies are free, with up to six desks in one account. Collections are optional one-time purchases, yours to keep. No ads, and we never sell personal data. Terms of Use: https://postmello.com/terms End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Postmello at Free against DawnBox's $3.99. Postmello also leads on update cadence (every 6 days vs every 3 months). DawnBox's advantage is in-app purchases (none vs 10). On 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
Postmello is free to download; DawnBox costs $3.99 up front. Postmello sells 7 one-off in-app purchases. DawnBox asks for nothing beyond the download.
DawnBox ships an update every 3 months, Postmello every 6 days. Both last shipped on October 31, 2026.
| Parameter | DawnBox | Postmello |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 3 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.6 | 18.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 133 MB |
| Age rating | 4+ | 4+ |
| Developer | 鹏 杨 | Postmello LLC |
In-app purchases
DawnBox
No in-app purchases
Postmello
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