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Postdate compared with other send-later tools
How Postdate differs from tools people use to send a message, letter or file that opens later. Each page says when to choose the other tool too.
At a glance
Every tool that AI answers named when asked how to send something that opens later, on one page. It is not a ranking.
| Tool | How it reaches people | Files | Who can read it early | Longest wait | Price | Fits when you want |
|---|---|---|---|---|---|---|
| Postdate | How it reaches peopleA link with a countdown. No account. | FilesUp to 10 files, 100 MB with the $3 option. | Who can read it earlyBasic: Postdate holds the key. Timelock: the key needs a future drand release. | Longest waitOne year. | PriceFree within 7 days and 1 MB. Otherwise $3 once. | Fits when you wantA message and files that people can hold before they open. |
| OpenItLater | How it reaches peopleA link with a countdown. Email if you sign in. | FilesText only. | Who can read it earlyThe key stays in the link. Its server holds the message back. | Longest waitNo maximum stated. | PriceFree. | Fits when you wantA free text link. |
| UnlockLater | How it reaches peopleA link with a countdown. Google sign-in for media. | FilesOne photo up to 3 MB, and voice or video notes. | Who can read it earlyIts server, encrypted at rest. | Longest wait30 days free. Five years on paid plans. | PriceFive a month free. $2.99 or $4.99 a month, or bundles. | Fits when you wantVoice and video notes. |
| FutureMe | How it reaches peopleAn email on the date. A verified email is needed. | FilesWith Premium: images, documents and 30-second videos. | Who can read it earlyFutureMe. Its terms allow it to monitor content. | Longest waitIts year picker runs to 2076. | PriceAttachments need Premium. | Fits when you wantA letter years ahead. |
| EmailToFuture | How it reaches peopleAn email on the date. An account is needed. | FilesWith Premium: 5 files, 20 MB in total. | Who can read it earlyIts servers. It makes no end-to-end claim. | Longest waitTen years. | PriceA free tier. Premium $1.99 a capsule. | Fits when you wantAn email up to ten years ahead. |
| Flowvault | How it reaches peopleA link to a time-locked note. | FilesText only, up to 128 KiB. | Who can read it earlyThe key needs a future drand release. | Longest waitNo cap; a one-year preset. | PriceFree. | Fits when you wantFree, open source time-locked text. |
| Timevault | How it reaches peopleCiphertext you copy. The recipient pastes it back. | FilesOne file in its report mode. | Who can read it earlyThe key needs a future drand release. | Longest waitNo limit stated. | PriceFree. | Fits when you wantKeeping the ciphertext yourself. |
| tlock | How it reaches peopleA command-line tool and Go library. | FilesAny file. | Who can read it earlyThe key needs a future drand release. | Longest waitNo limit stated. | PriceFree. | Fits when you wantDevelopers and scripts. |
Postdate made this table from each tool's own pages, checked on . Tools change, so check their current terms.
Sources for tools without their own comparison: EmailToFuture: pricing, EmailToFuture: terms of service, EmailToFuture: privacy policy, tlock on GitHub.
Comparisons
Countdown links, email letters and time-lock encryption tools, each beside Postdate.
- Countdown links
Postdate vs OpenItLater
Two countdown links. OpenItLater is free and text only; Postdate adds files, Timelock and six languages.
Read the comparison - Email letters
Postdate vs FutureMe
FutureMe emails a letter years ahead. Postdate shares a link today that opens within a year, with no account.
Read the comparison - Countdown links
Postdate vs UnlockLater
Two locked links. UnlockLater records voice and video; Postdate encrypts in your browser and takes files without sign-in.
Read the comparison - Time-locked notes
Postdate vs Flowvault
Both lock to a drand round. Flowvault is free, open source and text only; Postdate locks files behind a countdown page.
Read the comparison - Time-lock tool
Postdate vs Timevault
The drand team’s tool gives you ciphertext to copy. Postdate Timelock gives the people you share it with a countdown link.
Read the comparison
Facts about other services come from their own pages and carry the date they were checked. Read how Postdate works or browse examples.