Capsule contents stay on your device. No analytics or advertising SDKs.

Is this an online time capsule?

You create capsules on iPhone; contents stay on-device unless you export an encrypted .ltc file.

FAQ | Time Capsule: Memory Vault | Digital time capsule for iOS

Q: Is Time Capsule free to download?

Yes. Free to download with optional in-app purchases for premium features.

Q: How do I write a letter to my future self?

Add a text note to a capsule, set an unlock date, and seal it. See the letter to future self guide.

Q: Can I share a capsule with someone?

Yes. Export an encrypted .ltc file and share via AirDrop, Messages, or email.

Q: Can I open a capsule early?

No. Sealed capsules stay locked until the unlock date.

Is Time Capsule free to download?

Yes, Time Capsule is free to download with optional in-app purchases to unlock premium features. The core experience (creating, sealing, and opening time capsules) is available to everyone.

Is my data private?

Absolutely. Time Capsule stores everything locally on your device. No data is ever sent to any server, cloud, or third party. There are no analytics, tracking, or advertising SDKs in the app.

What can I put in a time capsule?

You can add photos, videos, voice memos, text notes, and files. Mix and match as many items as you want in a single capsule. There is no per-capsule item limit.

Can I open a capsule early?

No. Once you seal a time capsule, it stays locked until the date you set. This is intentional. The anticipation and surprise of opening it later is the core experience.

What happens if I delete the app?

Since all data is stored locally on your device, deleting the app removes all your capsules. You can export capsules as encrypted .ltc files to back them up before uninstalling.

How does the encryption work?

Time Capsule uses AES-256 encryption via Apple's CryptoKit framework. Encryption keys are generated and stored locally on your device and are never transmitted to any server.

What iOS versions are supported?

Time Capsule supports iOS 17 and later, covering iPhone 8 and newer models. The app uses Apple's current frameworks while keeping broad device compatibility.

Can I share a capsule with someone?

Yes. Export your capsule as an encrypted .ltc file and share it via AirDrop, Messages, email, or any file-sharing method. The recipient can import it into their own Time Capsule app. Learn more about sharing.

How many capsules can I create?

As many as you want. There is no limit on the number of time capsules you can create. The practical limit is your device storage.

Does Time Capsule use iCloud?

No. Time Capsule does not use iCloud, any cloud service, or external servers for your capsule contents. Your memories stay on your device unless you export and share a file yourself.

How do I write a letter to my future self?

Create a capsule, add a text note with your letter, optionally attach a photo or voice memo, set an unlock date, and hold to seal. Learn more: letter to future self.

Is Time Capsule an online time capsule?

You get an app workflow similar to online tools, but capsule contents stay on your iPhone unless you export an encrypted .ltc file. Learn more about online time capsules.

Can I record a voice memo for the future?

Yes. Add audio directly in a capsule, then seal it until your unlock date. Learn more: voice memo time capsules.

Can I make a birthday time capsule?

Yes — photos, voice memos from friends, and a note sealed until the birthday morning. Learn more: birthday time capsule ideas.

Frequently Asked Questions

Still have questions?