# PONO（ポノ） vs CaseX（ケースエックス）| スマホの中の事件

The clearest difference is review sentiment: PONO（ポノ） at 100% against CaseX（ケースエックス）| スマホの中の事件's 50%. PONO（ポノ） also leads on in-app purchases (none vs 3) and ads (none vs shown). CaseX（ケースエックス）| スマホの中の事件's advantage is update cadence (every 6 days vs every 2 months). On price there is nothing between them.

Both are free to download. CaseX（ケースエックス）| スマホの中の事件 sells 3 in-app purchases, starting at $1.99 per 7 days. PONO（ポノ） asks for nothing beyond the download.

PONO（ポノ） ships an update every 2 months, CaseX（ケースエックス）| スマホの中の事件 every 6 days. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | PONO（ポノ） | CaseX（ケースエックス）| スマホの中の事件 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 28 MB | 42 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [MAKOTO HIRAYAMA](https://appshunter.io/developer/1722890244) | [rio nagasaki](https://appshunter.io/developer/1594001733) |

## What reviewers say

### PONO（ポノ）

[App page](https://appshunter.io/ios/app/pono/id6474948263)

This is a simple, non-competitive game designed to help you relax and find a calm, balanced state. It requires no memorization or complex controls, allowing you to play at your own pace and reconnect with yourself.

**Highlights:** Simple, intuitive gameplay, No complex controls or memorization, Play at your own pace, Non-competitive, no winning or losing, Dynamic meditation experience, Four number display styles, Random inspirational messages

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

**In-app purchases:** none


### CaseX（ケースエックス）| スマホの中の事件

[App page](https://appshunter.io/ios/app/casex/id6809037928)

Investigate fictional smartphones to uncover hidden truths and solve compelling mysteries. Piece together fragmented digital evidence from various apps to reveal the complete story behind each case. This narrative-driven game offers bite-sized investigations perfect for quick play sessions.

**Highlights:** Examine fictional smartphone data, Solve narrative-driven mysteries, Multiple fictional app simulations, Hint system for assistance, Unlock new cases via invites, Notifications and Live Activities

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 週額 | $1.99 | per 7 days |
| Pro 月額 | $2.99 | per month |
| Pro 年額 | $19.99 | per year |


## Frequently asked questions

### Is PONO（ポノ） free?

PONO（ポノ） is free to download, with no in-app purchases.

### Is CaseX（ケースエックス）| スマホの中の事件 free?

CaseX（ケースエックス）| スマホの中の事件 is free to download, with in-app purchases available.

### Do PONO（ポノ） or CaseX（ケースエックス）| スマホの中の事件 have ads?

CaseX（ケースエックス）| スマホの中の事件 shows ads; PONO（ポノ） does not.

### Which is updated more often, PONO（ポノ） or CaseX（ケースエックス）| スマホの中の事件?

PONO（ポノ） ships an update every 2 months, and CaseX（ケースエックス）| スマホの中の事件 every 6 days. Most recently, PONO（ポノ） was updated on October 7, 2026 and CaseX（ケースエックス）| スマホの中の事件 on October 11, 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.*