# Nostash vs Future Letter

The clearest difference is in-app purchases: Nostash at none against Future Letter's 3. Nostash also leads on update cadence (weekly vs monthly). Future Letter's advantage is iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Future Letter sells 3 one-off in-app purchases. Nostash asks for nothing beyond the download.

Nostash ships an update weekly, Future Letter monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Nostash | Future Letter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nostash/id6744309333/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | — |
| Size | 11 MB | 50 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Terry Yiu](https://appshunter.io/developer/1687844610) | [锡球 刘](https://appshunter.io/developer/1886999777) |

## What reviewers say

### Nostash

[App page](https://appshunter.io/ios/app/nostash/id6744309333)

This extension allows Safari users to sign Nostr events directly within their browser. It adheres to the NIP-07 specification, enabling secure interactions with the Nostr network. Compatible with Mac, iPhone, and iPad.

**Highlights:** Nostr signing functionality, NIP-07 specification compliance, Safari browser extension, Secure event signing, Cross-device compatibility

**Features:** Safari Extension

**In-app purchases:** none


### Future Letter

[App page](https://appshunter.io/ios/app/future-letter-time-capsule/id6789511794)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Recharge 5 Points | $0.99 | one-time |
| Recharge 18 Points | $2.99 | one-time |
| Recharge 50 Points | $7.99 | one-time |


## Frequently asked questions

### Is Nostash free?

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

### Is Future Letter free?

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

### Do Nostash or Future Letter have ads?

Neither Nostash nor Future Letter shows ads.

### Which is updated more often, Nostash or Future Letter?

Nostash ships an update weekly, and Future Letter monthly. Most recently, Nostash was updated on October 24, 2026 and Future Letter on October 25, 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.*