# RAINY COCOA vs auブックパス

The clearest difference is review sentiment: RAINY COCOA at 82% against auブックパス's 12%. RAINY COCOA also leads on ads (none vs shown). auブックパス's advantage is price (Free vs $1.99) and in-app purchases (none vs 7). On update cadence, monetization model, device support and iOS requirement there is nothing between them.

auブックパス is free to download; RAINY COCOA costs $1.99 up front. RAINY COCOA sells 7 one-off in-app purchases. auブックパス asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 18, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | RAINY COCOA | auブックパス |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rainy-cocoa/id651284829/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **81.8% of reviews** | 12.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 179 MB | 91 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [IAM, K.K.](https://appshunter.io/developer/609407356) | [KDDI CORPORATION](https://appshunter.io/developer/448137434) |

## What reviewers say

### RAINY COCOA

[App page](https://appshunter.io/ios/app/rainy-cocoa/id651284829)

Experience the world's first e-manga, featuring a heartwarming story set in a coffee shop. Switch between Japanese and English text and audio, and enjoy voice acting from popular talents.

**Highlights:** World's first e-manga, Japanese and English text/audio switching, Professional voice actors, Coffee shop story setting, Interactive page turning

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RAINY COCOA(Japanese/French)01 | $0.99 | one-time |
| Rainy Cocoa02(Japanese) | $1.99 | one-time |
| RAINY COCOA(Japanese/Spanish)01 | $1.99 | one-time |
| Rainy Cocoa 03 (Japanese) | $1.99 | one-time |
| Rainy Cocoa 04 (Japanese) | $1.99 | one-time |
| Rainy Cocoa05(Japanese) | $1.99 | one-time |
| Rainy Cocoa06(JP) | $1.99 | one-time |


### auブックパス

[App page](https://appshunter.io/ios/app/au/id931830339)

Access over 1.2 million e-books, including comics, novels, and magazines, with an optional unlimited reading plan. Organize your library, receive new release notifications, and read online or offline. Content is available for free and through paid plans.

**Highlights:** Vast e-book library (1.2M+ titles), Unlimited reading plans available, Organize books into custom shelves, Automatic shelf sorting, Cross-device shelf synchronization, Reading history and new release notifications, Online and offline reading options

**In-app purchases:** none


## Frequently asked questions

### Is RAINY COCOA free?

RAINY COCOA costs $1.99, and also offers in-app purchases.

### Is auブックパス free?

auブックパス is free to download, with no in-app purchases.

### Do RAINY COCOA or auブックパス have ads?

auブックパス shows ads; RAINY COCOA does not.

### Which is updated more often, RAINY COCOA or auブックパス?

RAINY COCOA ships an update monthly, and auブックパス monthly. Most recently, RAINY COCOA was updated on September 18, 2026 and auブックパス on September 28, 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.*