# Postmarks vs ZoneOut App

The clearest difference is in-app purchases: ZoneOut App at none against Postmarks's 10. Postmarks's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Postmarks sells 10 one-off in-app purchases. ZoneOut App asks for nothing beyond the download.

Postmarks ships an update weekly, ZoneOut App every 4 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Postmarks | ZoneOut App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/postmarks-steps-and-stamps/id6761856446/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 236 MB | 60 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yutaro Sakairi](https://appshunter.io/developer/1891796629) | [Roy Chien](https://appshunter.io/developer/6775159294) |

## What reviewers say

### Postmarks

[App page](https://appshunter.io/ios/app/postmarks-steps-and-stamps/id6761856446)

This app transforms daily steps into a journey across real-world locations, rewarding users with collectible stamps and a personal travel passport. It encourages consistent walking by providing a destination and purpose for each outing, turning movement into a meaningful adventure.

**Highlights:** Virtual travel across real cities, Collectible vintage postage stamps, Personalized travel passport, Automated daily journal entries, Habit building through gamification, Unlockable 'After Dark' stamp collections

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kintsugi Token | $0.99 | one-time |
| Korea & Taiwan Pack — Day | $3.99 | one-time |
| Japan Explorer Pack — Day | $5.99 | one-time |
| Northern Japan Pack — Day | $5.99 | one-time |
| Korea & Taiwan Pack — Day & Night | $5.99 | one-time |
| Japan Explorer Pack — Day & Night | $7.99 | one-time |
| Northern Japan Pack — Day & Night | $7.99 | one-time |
| Postmarks: Japan | $9.99 | one-time |
| Lifetime All-Access | $24.99 | one-time |
| Lifetime All-Access Promotion Only | $24.99 | one-time |


### ZoneOut App

[App page](https://appshunter.io/ios/app/zoneout-app/id6775159292)

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

**In-app purchases:** none


## Frequently asked questions

### Is Postmarks free?

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

### Is ZoneOut App free?

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

### Do Postmarks or ZoneOut App have ads?

ZoneOut App shows ads; Postmarks does not.

### Which is updated more often, Postmarks or ZoneOut App?

Postmarks ships an update weekly, and ZoneOut App every 4 days. Most recently, Postmarks was updated on October 31, 2026 and ZoneOut App on November 5, 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.*