# Vault Messaging vs Open When

The clearest difference is update cadence: Open When at daily against Vault Messaging's every 10 days. Vault Messaging's advantage is ratings volume (5 vs 1) and device support (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Vault Messaging sells 6 in-app purchases, starting at $19.99 per year and Open When sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Vault Messaging against 5.0 for Open When. That said, the two scores are not equally well evidenced: Vault Messaging has 5 ratings behind it against 1, so its average is the more settled of the two.

Vault Messaging ships an update every 10 days, Open When daily. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Vault Messaging | Open When |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/vault-messaging/id6755655761/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/open-when-letters-for-later/id6795863189/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Daily** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 84 MB | 9 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Joseph Muller](https://appshunter.io/developer/1527433323) | [Moon Radio Candy](https://appshunter.io/developer/6795771875) |

## What reviewers say

### Vault Messaging

[App page](https://appshunter.io/ios/app/vault-messaging/id6755655761)

Send time-locked text and audio messages that unlock at a future date. Preserve your voice and create meaningful moments for loved ones, with easy contact import and secure storage.

**Highlights:** Time-locked text and audio messages, Control unlock timing, Preserve voice with audio clips, Easy contact import, Secure message storage, Intuitive interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vault Messaging Unlimited | $19.99 | per year |
| Vault Unlimited Yearly | $24.99 | per year |
| Vault Messages 10 Pack | $4.99 | one-time |
| Vault Messages 25 Pack | $8.99 | one-time |
| Vault Messages 50 Pack | $14.99 | one-time |
| Vault Messages 100 Pack | $24.99 | one-time |


### Open When

[App page](https://appshunter.io/ios/app/open-when-letters-for-later/id6795863189)

Write and send thoughtful letters to yourself and others, to be opened at a specific moment or date. Create personalized messages with prompts or your own ideas, and cherish memories by saving letters as keepsakes.

**Highlights:** Write letters for specific moments, Seal letters for future opening, Use meaningful prompts, Create custom moments, Exchange letters with friends, Save letters as keepsake PDFs

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Open When Membership | $2.99 | per month |


## Frequently asked questions

### Is Vault Messaging free?

Vault Messaging is free to download, with in-app purchases available.

### Is Open When free?

Open When is free to download, with in-app purchases available.

### Which has better reviews, Vault Messaging or Open When?

Vault Messaging and Open When are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do Vault Messaging or Open When have ads?

Neither Vault Messaging nor Open When shows ads.

### Which is updated more often, Vault Messaging or Open When?

Vault Messaging ships an update every 10 days, and Open When daily. Most recently, Vault Messaging was updated on October 24, 2026 and Open When on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*