# PenPal Letters vs passNote

The clearest difference is iOS requirement: PenPal Letters at 15.0 against passNote's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. PenPal Letters sells 3 one-off in-app purchases and passNote sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

PenPal Letters ships an update every 9 days, passNote every 5 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PenPal Letters | passNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (140 ratings)](https://appshunter.io/ios/app/penpal-letters-dearstranger/id1601683943/reviews)** | — |
| Number of ratings | **140** | — |
| Positive reviews | 68.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 58 MB | 80 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Dinu Devarajan](https://appshunter.io/developer/1601683945) | [Ryota Izumi](https://appshunter.io/developer/1773491378) |

## What reviewers say

### PenPal Letters

[App page](https://appshunter.io/ios/app/penpal-letters-dearstranger/id1601683943)

Connect with people globally by anonymously sharing your daily experiences through digital postcards. Discover and follow others who resonate with your posts, fostering new friendships and a sense of community without fear of judgment.

**Highlights:** Write daily postcards, Read others' postcards, Anonymous sharing, Follow users, Exchange postcards, Make global friends

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Coins | $2.99 | one-time |
| 250 Coins | $4.99 | one-time |
| 500 Coins | $9.99 | one-time |


### passNote

[App page](https://appshunter.io/ios/app/passnote-penpal-diary/id6762535541)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership | $2.99 | per month |


## Frequently asked questions

### Is PenPal Letters free?

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

### Is passNote free?

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

### Do PenPal Letters or passNote have ads?

Neither PenPal Letters nor passNote shows ads.

### Which is updated more often, PenPal Letters or passNote?

PenPal Letters ships an update every 9 days, and passNote every 5 days. Most recently, PenPal Letters was updated on October 25, 2026 and passNote on October 28, 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.*