# Postmello vs DAYLine

The clearest difference is in-app purchases: DAYLine at none against Postmello's 10. DAYLine also leads on iOS requirement (16.4 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Postmello sells 7 one-off in-app purchases. DAYLine asks for nothing beyond the download.

Postmello ships an update every 6 days, DAYLine every 9 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Postmello | DAYLine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/postmello/id6806487006/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 133 MB | 41 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Postmello LLC](https://appshunter.io/developer/6806487008) | [JongEun Lee](https://appshunter.io/developer/6808438207) |

## What reviewers say

### Postmello

[App page](https://appshunter.io/ios/app/postmello/id6806487006)

Create and send personalized digital letters with friends and family. Design unique desks, choose stationery, and add custom stamps. Enjoy a connected experience without the pressure of constant notifications.

**Highlights:** Write and draw digital letters, Customize desks and stationery, Add stickers and stamps, Send letters to friends and family, Receive replies via email, PIN-protected privacy settings

**Features:** Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sakura Post | $0.99 | one-time |
| Fairy Glen | $0.99 | one-time |
| Ironhold | $0.99 | one-time |
| Ember Peak | $0.99 | one-time |
| Fossil Camp | $0.99 | one-time |
| Lunar Base | $0.99 | one-time |
| Sandy Beach | $0.99 | one-time |


### DAYLine

[App page](https://appshunter.io/ios/app/dayline-planner-and-time-log/id6808438205)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Postmello free?

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

### Is DAYLine free?

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

### Do Postmello or DAYLine have ads?

Neither Postmello nor DAYLine shows ads.

### Which is updated more often, Postmello or DAYLine?

Postmello ships an update every 6 days, and DAYLine every 9 days. Most recently, Postmello was updated on October 31, 2026 and DAYLine on October 31, 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.*