# Vertical Check Camera vs INREII

The clearest difference is rating: Vertical Check Camera at 4.5 against INREII's 2.0. Vertical Check Camera also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (8.0 vs 13.0). INREII's advantage is in-app purchases (none vs 3) and ratings volume (36 vs 12). On price, ads and device support there is nothing between them.

Both are free to download. Vertical Check Camera sells 3 one-off in-app purchases. INREII asks for nothing beyond the download.

Vertical Check Camera holds the better App Store score, 4.5 against 2.0. Both are backed by a comparable volume of ratings — 12 and 36 respectively.

Vertical Check Camera ships an update every 3 weeks, INREII every 2 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Vertical Check Camera | INREII |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (12 ratings)](https://appshunter.io/ios/app/vertical-check-camera/id967235607/reviews)** | [2.0 (36 ratings)](https://appshunter.io/ios/app/inreii/id1516239264/reviews) |
| Number of ratings | 12 | **36** |
| Positive reviews | — | 23.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 64 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Hiroyuki KATOH](https://appshunter.io/developer/898546586) | [InfiRay Technologies Co.,Ltd.](https://appshunter.io/developer/1516230719) |

## What reviewers say

### Vertical Check Camera

[App page](https://appshunter.io/ios/app/vertical-check-camera/id967235607)

This app helps you determine if objects are perfectly vertical or horizontal using your device's camera. It overlays a virtual grid that can be rotated and adjusted, allowing you to check alignment from a distance without touching the object.

**Highlights:** Virtual vertical grid overlay, Adjustable grid rotation, Check alignment from a distance, Change grid size with pinch, Capture still images, Adjust focal length (add-on)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Display Angular Degrees | $1.99 | one-time |
| Adjust Calibrations | $1.99 | one-time |


### INREII

[App page](https://appshunter.io/ios/app/inreii/id1516239264)

This app enables real-time infrared video preview, photo and video capture, and file management. It allows for FTP access, WiFi parameter configuration, and firmware updates. The app also provides product recommendations and supports automatic language switching.

**Highlights:** Real-time infrared video preview, Capture photos and videos, Local file preview and management, FTP file access, WiFi parameter settings, Device firmware updates, Automatic language switching

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Works well with specific devices (e.g., E3n, Liemke)
- 👍 Indispensable for certain camera models
- 👍 Transfers videos and pictures
- 👍 Custom reticles can be useful
- 👍 Some users find it works perfectly

**What reviewers complain about**

- 🐛 Connection issues
- 🐛 Slow and clunky performance
- 🐛 Difficulty finding and downloading media
- 🐛 App crashes on startup
- 🐛 Not working on newer iOS versions

**Reported bugs**

- App crashes on startup
- Connection between device and speed is bad
- Finding and downloading videos and pictures is terrible
- App not working on iPhone 16 Pro Max with iOS 26
- App won't connect to scope after last update

**Requested features**

- Add payment options for custom reticles (beyond PayPal)
- Improve custom reticle options and editing
- Allow editing custom reticles without device connection
- Add more reticle options and colors
- Improve app setup options for the scope


## Frequently asked questions

### Is Vertical Check Camera free?

Vertical Check Camera is free to download, with in-app purchases available.

### Is INREII free?

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

### Which has better reviews, Vertical Check Camera or INREII?

Vertical Check Camera is rated higher. Vertical Check Camera averages 4.5 out of 5 from 12 ratings, while INREII averages 2.0 from 36 ratings.

### Do Vertical Check Camera or INREII have ads?

Neither Vertical Check Camera nor INREII shows ads.

### Which is updated more often, Vertical Check Camera or INREII?

Vertical Check Camera ships an update every 3 weeks, and INREII every 2 months. Most recently, Vertical Check Camera was updated on October 24, 2026 and INREII on October 19, 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.*