# きぬの湯会員アプリ/源泉かけ流し vs popi

The clearest difference is update cadence: popi at every 2 months against きぬの湯会員アプリ/源泉かけ流し's every 24 months. popi also leads on iOS requirement (14.0.0 vs 16.6). 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.

きぬの湯会員アプリ/源泉かけ流し ships an update every 24 months, popi every 2 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | きぬの湯会員アプリ/源泉かけ流し | popi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 12 MB | 64 MB |
| Requires iOS | 16.6 | **14.0.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MAKES CORPORATION](https://appshunter.io/developer/1589164010) | [nana suemasa](https://appshunter.io/developer/1874499855) |

## What reviewers say

### きぬの湯会員アプリ/源泉かけ流し

[App page](https://appshunter.io/ios/app/id1589164008)

Manage your membership for a natural hot spring facility directly from your smartphone. Access your digital membership card, purchase and use electronic multi-visit tickets, and stay updated on events and special offers.

**Highlights:** Digital membership card, Electronic multi-visit tickets, Point balance and history, Event information updates, New menu recommendations, Product hall arrival information

**In-app purchases:** none


### popi

[App page](https://appshunter.io/ios/app/popi/id6758689311)

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

**In-app purchases:** none


## Frequently asked questions

### Is きぬの湯会員アプリ/源泉かけ流し free?

きぬの湯会員アプリ/源泉かけ流し is free to download, with no in-app purchases.

### Is popi free?

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

### Do きぬの湯会員アプリ/源泉かけ流し or popi have ads?

Neither きぬの湯会員アプリ/源泉かけ流し nor popi shows ads.

### Which is updated more often, きぬの湯会員アプリ/源泉かけ流し or popi?

きぬの湯会員アプリ/源泉かけ流し ships an update every 24 months, and popi every 2 months. Most recently, きぬの湯会員アプリ/源泉かけ流し was updated on November 3, 2026 and popi 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.*