# TwinViewer vs Before and After App

The clearest difference is rating: TwinViewer at 4.0 against Before and After App's 2.8. TwinViewer also leads on ads (none vs shown) and review sentiment (63% vs 41%). Before and After App's advantage is iOS requirement (14.0 vs 16.0). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. TwinViewer sells 1 one-off in-app purchase and Before and After App sells 1 in-app purchase, starting at $0.99 per 3 months. Whichever you choose, the download price is not the number that matters.

TwinViewer holds the better App Store score, 4.0 against 2.8. Both are backed by a comparable volume of ratings — 24 and 13 respectively. Written reviews point the same way: 63% of TwinViewer's written reviews are positive against 41% of Before and After App's.

TwinViewer ships an update every 5 weeks, Before and After App every 4 months. The most recent releases landed on October 29, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | TwinViewer | Before and After App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (24 ratings)](https://appshunter.io/ios/app/twinviewer/id531595249/reviews)** | [2.8 (13 ratings)](https://appshunter.io/ios/app/before-and-after-app/id592119245/reviews) |
| Number of ratings | **24** | 13 |
| Positive reviews | **63.4% of reviews** | 41.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 1 MB | 15 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masako Sakanashi](https://appshunter.io/developer/410497749) | [Harden Consulting LLC](https://appshunter.io/developer/366561891) |

## 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 |


### Before and After App

[App page](https://appshunter.io/ios/app/before-and-after-app/id592119245)

Easily compare photos by overlaying a "before" image on your camera to perfectly align your "after" shot. Create side-by-side comparisons, animated GIFs, and more to visualize changes over time.

**Highlights:** Overlay "before" photo on camera, Create animated GIFs, Side-by-side photo comparison, X-Ray detail view, Image editor with rotation and color tweaks, Re-align "after" shots, Inset view for unique perspectives

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | per 3 months |

**What reviewers like**

- 👍 Best overlay photo app
- 💡 Great concept for before/after
- 🚀 Works as described
- 👍 Easy to use
- 💰 Fair price (paid version)

**What reviewers complain about**

- 🐛 Crashes frequently
- 👎 Poor photo quality (low res)
- 😠 Unskippable, long ads
- 😠 Forced to rate before use
- 🐛 GIF feature crashes

**Reported bugs**

- GIF feature crashes the app
- App crashes almost every time
- App crashes often
- Fullscreen adverts with no way to remove
- 30-second wait between photos

**Requested features**

- Enhance functionality (rotate images)
- Move take photo button to right
- Save GIF creations directly to phone
- Video mode with last frame overlay
- More modern redesign


## Frequently asked questions

### Is TwinViewer free?

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

### Is Before and After App free?

Before and After App is free to download, with in-app purchases available.

### Which has better reviews, TwinViewer or Before and After App?

TwinViewer is rated higher. TwinViewer averages 4.0 out of 5 from 24 ratings, while Before and After App averages 2.8 from 13 ratings.

### Do TwinViewer or Before and After App have ads?

Before and After App shows ads; TwinViewer does not.

### Which is updated more often, TwinViewer or Before and After App?

TwinViewer ships an update every 5 weeks, and Before and After App every 4 months. Most recently, TwinViewer was updated on October 29, 2026 and Before and After App on October 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*