# TOKYOふたり結婚応援パスポート vs Serendipity Planner

The clearest difference is update cadence: Serendipity Planner at every 3 weeks against TOKYOふたり結婚応援パスポート's every 5 months. TOKYOふたり結婚応援パスポート's advantage is iOS requirement (12.1 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TOKYOふたり結婚応援パスポート ships an update every 5 months, Serendipity Planner every 3 weeks. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | TOKYOふたり結婚応援パスポート | Serendipity Planner |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 52 MB | 5 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tokyo Metropolitan Government](https://appshunter.io/developer/616616621) | [Ken Miyamura](https://appshunter.io/developer/1883569594) |

## What reviewers say

### TOKYOふたり結婚応援パスポート

[App page](https://appshunter.io/ios/app/tokyo/id1556560635)

This app helps couples find participating stores and view their marriage support passport. It also provides information about the "TOKYO Futari Kekkon Ouen Passport" initiative.

**Highlights:** User registration, Participating store search, Marriage support passport display, View project overview

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

**In-app purchases:** none


### Serendipity Planner

[App page](https://appshunter.io/ios/app/serendipity-planner/id6760272817)

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

**In-app purchases:** none


## Frequently asked questions

### Is TOKYOふたり結婚応援パスポート free?

TOKYOふたり結婚応援パスポート is free to download, with no in-app purchases.

### Is Serendipity Planner free?

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

### Do TOKYOふたり結婚応援パスポート or Serendipity Planner have ads?

Neither TOKYOふたり結婚応援パスポート nor Serendipity Planner shows ads.

### Which is updated more often, TOKYOふたり結婚応援パスポート or Serendipity Planner?

TOKYOふたり結婚応援パスポート ships an update every 5 months, and Serendipity Planner every 3 weeks. Most recently, TOKYOふたり結婚応援パスポート was updated on October 20, 2026 and Serendipity Planner on October 15, 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.*