# VeinScanner Pro vs Nject

The clearest difference is price: VeinScanner Pro at Free against Nject's $4.99. Nject's advantage is rating (4.0 vs 1.9) and in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

VeinScanner Pro is free to download; Nject costs $4.99 up front. VeinScanner Pro sells 3 in-app purchases, starting at $0.99 per 7 days. Nject asks for nothing beyond the download.

Nject holds the better App Store score, 4.0 against 1.9. Both are backed by a comparable volume of ratings — 28 and 126 respectively. Written reviews point the same way: 23% of VeinScanner Pro's written reviews are positive against 57% of Nject's.

VeinScanner Pro ships an update every 14 months, Nject every 6 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | VeinScanner Pro | Nject |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [1.9 (28 ratings)](https://appshunter.io/ios/app/veinscanner-pro/id1573763274/reviews) | **[4.0 (126 ratings)](https://appshunter.io/ios/app/nject/id1620565745/reviews)** |
| Number of ratings | 28 | **126** |
| Positive reviews | 22.9% of reviews | **57.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#8** |
| Size | 7 MB | 68 MB |
| Requires iOS | **14.1** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [VeinSeek LLC](https://appshunter.io/developer/1114534654) | [Keaton Benning, LLC](https://appshunter.io/developer/1692217678) |

## What reviewers say

### VeinScanner Pro

[App page](https://appshunter.io/ios/app/veinscanner-pro/id1573763274)

Visualize veins with advanced imaging techniques. This app simulates infra-red scanning to enhance vein visibility, making it easier to locate them. It utilizes multispectral imaging to improve contrast and reduce unwanted light reflections.

**Highlights:** Vein visualization, Simulated infra-red scanning, Zoom functionality, Multispectral imaging principles, Enhanced vein contrast, Reduced light reflection

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $0.99 | per 7 days |
| Full Access | $1.99 | per month |
| Full Access | $9.99 | per year |

**What reviewers like**

- 👍 Helps find veins
- 👍 Useful for difficult sticks
- 👍 Visualizes microvasos
- 👍 Works well for some users
- 👍 Good for neonatal doctors

**What reviewers complain about**

- 🐛 Does not work for many users
- 🐛 Shows nothing at all
- 🐛 Black screen
- 🐛 Veins more visible with eyes
- 🐛 Garbage app

**Reported bugs**

- App does not work at all
- Gives no help
- Shows nothing at all
- Black screen
- Shows clutter that looks like veins

**Requested features**

- Better instructions or explanation on how to use
- Explanation on how it's supposed to be used
- Website with instructions or tips
- Tips on how to use more efficiently
- Explanation of functionality


### Nject

[App page](https://appshunter.io/ios/app/nject/id1620565745)

**Currently charting:** #8 Top Paid · Medical (US App Store)

This app serves as a comprehensive resource for aesthetic professionals. It offers tools for dilution calculations, facilitates partnerships, and provides a live forum with experts. Users can also find assistance with vascular occlusion and access other valuable information.

**Highlights:** Dilution Calculators, Partnership Facilitation, Live Expert Forum, Vascular Occlusion Help

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

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly and simple interface
- 🎯 Accurate dosing calculations for toxin injections
- 📱 Visual syringe markings aid learning
- 🚀 Quick and efficient dosage conversions
- 💬 Responsive developer addressing user feedback

**What reviewers complain about**

- 🐛 App crashes when selecting syringes
- 🐛 Syringe dropdown menu shows 'no data' or won't populate
- 🐛 Screen doesn't scroll to access calculate button
- 🐛 Force closing on multiple devices
- ❌ Limited syringe options available

**Reported bugs**

- App crashes when selecting syringe option
- Syringe dropdown menu fails to load options
- Screen doesn't scroll to reveal calculate button after data entry
- Force closing on both iOS and Android devices
- Stuck on single medication screen (Semaglutide) with no navigation

**Requested features**

- Add Comfortox 0.5mL syringe option
- Add TB (tuberculin) syringe options
- Add allergen/product selection dropdown (Botox, Dysport, Azzalure, etc.)
- Visual indicator showing exact pull location on syringe for specific units
- Support for mg/mL dosing (for Semaglutide, tirzepatide, compounded medications)


## Frequently asked questions

### Is VeinScanner Pro free?

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

### Is Nject free?

Nject costs $4.99, with no in-app purchases.

### Which has better reviews, VeinScanner Pro or Nject?

Nject is rated higher. VeinScanner Pro averages 1.9 out of 5 from 28 ratings, while Nject averages 4.0 from 126 ratings.

### Do VeinScanner Pro or Nject have ads?

Neither VeinScanner Pro nor Nject shows ads.

### Which is updated more often, VeinScanner Pro or Nject?

VeinScanner Pro ships an update every 14 months, and Nject every 6 weeks. Most recently, VeinScanner Pro was updated on October 25, 2026 and Nject on October 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.*