# Letter Vault vs CipherSage

The clearest difference is in-app purchases: Letter Vault at none against CipherSage's 8. Letter Vault also leads on update cadence (every 3 days vs weekly). CipherSage's advantage is ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. CipherSage sells 8 one-off in-app purchases. Letter Vault asks for nothing beyond the download.

Letter Vault ships an update every 3 days, CipherSage weekly. Both last shipped on October 12, 2026.

## The numbers

| Metric | Letter Vault | CipherSage |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Weekly |
| Size | 6 MB | 52 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [VASSIM RAHIM](https://appshunter.io/developer/1854193429) | [Daniel Kovac](https://appshunter.io/developer/1678032511) |

## What reviewers say

### Letter Vault

[App page](https://appshunter.io/ios/app/letter-vault/id6755490885)

**Features:** macOS Compatibility

**In-app purchases:** none


### CipherSage

[App page](https://appshunter.io/ios/app/ciphersage-word-cryptograms/id6795965036)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 250 Coins | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| 500 Coins | $1.99 | one-time |
| 1000 Coins | $2.99 | one-time |
| Starter Pack | $3.99 | one-time |
| 2000 Coins | $4.99 | one-time |
| 4000 Coins | $8.99 | one-time |
| 8000 Coins | $14.99 | one-time |


## Frequently asked questions

### Is Letter Vault free?

Letter Vault is free to download, with no in-app purchases.

### Is CipherSage free?

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

### Do Letter Vault or CipherSage have ads?

Letter Vault shows ads; CipherSage does not.

### Which is updated more often, Letter Vault or CipherSage?

Letter Vault ships an update every 3 days, and CipherSage weekly. Most recently, Letter Vault was updated on October 12, 2026 and CipherSage on October 12, 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.*