# TwinViewer vs サロンのカルテ・写真管理｜BEFORE AFTER

TwinViewer and サロンのカルテ・写真管理｜BEFORE AFTER are too close to call on the numbers: across 8 compared parameters — price, review sentiment, update cadence and ads among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. TwinViewer sells 1 one-off in-app purchase and サロンのカルテ・写真管理｜BEFORE AFTER sells 4 in-app purchases, starting at $29.49 per month. Whichever you choose, the download price is not the number that matters.

TwinViewer ships an update every 5 weeks, サロンのカルテ・写真管理｜BEFORE AFTER every 3 weeks. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | TwinViewer | サロンのカルテ・写真管理｜BEFORE AFTER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (24 ratings)](https://appshunter.io/ios/app/twinviewer/id531595249/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | **64.0% of reviews** | 56.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 1 MB | 311 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masako Sakanashi](https://appshunter.io/developer/410497749) | [Naradewa Inc.](https://appshunter.io/developer/949334413) |

## What reviewers say

### TwinViewer

[App page](https://appshunter.io/ios/app/twinviewer/id531595249)

View and compare two photo albums side-by-side. This app allows you to pick the best shots, delete unwanted ones, create combined images, and access detailed EXIF data. It offers intuitive gestures for navigation and zooming.

**Highlights:** Dual-screen photo viewing, Side-by-side photo comparison, Create combined images, View EXIF data, Zoom and swipe navigation, Sync/Async viewer modes

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $4.99 | one-time |


### サロンのカルテ・写真管理｜BEFORE AFTER

[App page](https://appshunter.io/ios/app/before-after/id1239269208)

This salon management app digitizes client information, including photos, consultation notes, and consent forms. It helps visualize client progress through photo comparisons, improving satisfaction and retention. Features include AI posture analysis and pre-visit consultations to streamline operations.

**Highlights:** Client photo comparison (before/after), Digital client records and consultation notes, Consent form management with e-signature, AI posture analysis, Pre-visit client consultation forms, Cross-device compatibility (smartphone, tablet, PC)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sプラン | $29.49 | per month |
| Mプラン | $47.99 | per month |
| Lプラン | $71.99 | per month |
| 使い放題プラン | $86.99 | per month |


## Frequently asked questions

### Is TwinViewer free?

TwinViewer is free to download, with in-app purchases available.

### Is サロンのカルテ・写真管理｜BEFORE AFTER free?

サロンのカルテ・写真管理｜BEFORE AFTER is free to download, with in-app purchases available.

### Do TwinViewer or サロンのカルテ・写真管理｜BEFORE AFTER have ads?

Neither TwinViewer nor サロンのカルテ・写真管理｜BEFORE AFTER shows ads.

### Which is updated more often, TwinViewer or サロンのカルテ・写真管理｜BEFORE AFTER?

TwinViewer ships an update every 5 weeks, and サロンのカルテ・写真管理｜BEFORE AFTER every 3 weeks. Most recently, TwinViewer was updated on October 23, 2026 and サロンのカルテ・写真管理｜BEFORE AFTER on October 26, 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.*