# アイカサ vs プライベートエステZEN

The clearest difference is ads: プライベートエステZEN at none against アイカサ's shown. アイカサ's advantage is update cadence (fortnightly vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

アイカサ ships an update fortnightly, プライベートエステZEN every 7 months. The most recent releases landed on October 27, 2026 and January 30, 2026 respectively.

## The numbers

| Metric | アイカサ | プライベートエステZEN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/ikasa/id1506370081/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 4.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 143 MB | 81 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [株式会社NatureInnovationGroup](https://appshunter.io/developer/1506370080) | [Seiko Fujii](https://appshunter.io/developer/1533364928) |

## What reviewers say

### アイカサ

[App page](https://appshunter.io/ios/app/ikasa/id1506370081)

Rent an umbrella easily through a mobile app. Find nearby rental spots, unlock an umbrella with a QR code, and return it to any available spot. Offers affordable hourly rates and subscription plans for convenient, eco-friendly rain protection.

**Highlights:** Map-based rental spot search, QR code unlocking, Return to any spot, Affordable hourly rates, Subscription plans, Eco-friendly umbrella sharing

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

**In-app purchases:** none


### プライベートエステZEN

[App page](https://appshunter.io/ios/app/zen/id1533364926)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is アイカサ free?

アイカサ is free to download, with no in-app purchases.

### Is プライベートエステZEN free?

プライベートエステZEN is free to download, with no in-app purchases.

### Do アイカサ or プライベートエステZEN have ads?

アイカサ shows ads; プライベートエステZEN does not.

### Which is updated more often, アイカサ or プライベートエステZEN?

アイカサ ships an update fortnightly, and プライベートエステZEN every 7 months. Most recently, アイカサ was updated on October 27, 2026 and プライベートエステZEN on January 30, 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.*