# SLAPS vs StageDiary ステージダイアリー

The clearest difference is in-app purchases: SLAPS at none against StageDiary ステージダイアリー's 2. SLAPS also leads on ads (none vs shown). StageDiary ステージダイアリー's advantage is update cadence (every 5 days vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. StageDiary ステージダイアリー sells 2 in-app purchases, starting at $2.99 per month. SLAPS asks for nothing beyond the download.

SLAPS ships an update fortnightly, StageDiary ステージダイアリー every 5 days. The most recent releases landed on August 3, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | SLAPS | StageDiary ステージダイアリー |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 78.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 72 MB | 79 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Decentier, Inc.](https://appshunter.io/developer/1779922466) | [Ametiar](https://appshunter.io/developer/1465452317) |

## What reviewers say

### SLAPS

[App page](https://appshunter.io/ios/app/slaps/id6741577881)

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

**In-app purchases:** none


### StageDiary ステージダイアリー

[App page](https://appshunter.io/ios/app/stagediary/id6765831562)

Record detailed memories of your theater experiences, including shows, seats, dates, costs, and photos. Track your viewing habits and expenses with automatic summaries. Share your favorite moments with custom photo cards.

**Highlights:** Log theater shows, dates, seats, and costs, Save memories with photos and reviews, Automatic summaries of viewing habits and expenses, Interactive seat maps for specific theaters, Home screen widgets for quick updates, Create shareable photo cards with event details, Manage fan club information and renewal dates

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium | $2.99 | per month |
| 12 Months Premium | $34.99 | per year |


## Frequently asked questions

### Is SLAPS free?

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

### Is StageDiary ステージダイアリー free?

StageDiary ステージダイアリー is free to download, with in-app purchases available.

### Do SLAPS or StageDiary ステージダイアリー have ads?

StageDiary ステージダイアリー shows ads; SLAPS does not.

### Which is updated more often, SLAPS or StageDiary ステージダイアリー?

SLAPS ships an update fortnightly, and StageDiary ステージダイアリー every 5 days. Most recently, SLAPS was updated on August 3, 2026 and StageDiary ステージダイアリー on September 25, 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.*