# LENS Connected Tower App vs Bone Ninja Sensei

The clearest difference is rating: LENS Connected Tower App at 4.6 against Bone Ninja Sensei's 3.7. LENS Connected Tower App also leads on in-app purchases (none vs 1). Bone Ninja Sensei's advantage is review sentiment (25% vs 0%) and update cadence (every 3 months vs every 7 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Bone Ninja Sensei sells 1 in-app purchase, starting at $14.99 per year. LENS Connected Tower App asks for nothing beyond the download.

LENS Connected Tower App holds the better App Store score, 4.6 against 3.7. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews complicate that: 0% of LENS Connected Tower App's written reviews are positive against 25% of Bone Ninja Sensei's, so the app with the better star average is not the one people write more warmly about.

LENS Connected Tower App ships an update every 7 months, Bone Ninja Sensei every 3 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | LENS Connected Tower App | Bone Ninja Sensei |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/lens-connected-tower-app/id1059859280/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/bone-ninja-sensei/id6450483301/reviews) |
| Number of ratings | **5** | 3 |
| Positive reviews | 0.0% of reviews | **25.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 252 MB | 48 MB |
| Requires iOS | **11.0** | 11.4 |
| Devices | iPad | iPad |
| Age rating | 12+ | 4+ |
| Developer | [Smith & Nephew](https://appshunter.io/developer/549124657) | [LifeBridge Health](https://appshunter.io/developer/460335164) |

## What reviewers say

### LENS Connected Tower App

[App page](https://appshunter.io/ios/app/lens-connected-tower-app/id1059859280)

Control LENS HD/4K cameras and surgical equipment remotely. Capture, annotate, and generate custom PDF reports of surgical images and videos. Enables operation outside the sterile field.

**Highlights:** Remote camera control, Surgical equipment control, Image and video storage, Voice, text, drawing annotations, Custom PDF report generation, Print and email reports

**Features:** macOS Compatibility

**In-app purchases:** none


### Bone Ninja Sensei

[App page](https://appshunter.io/ios/app/bone-ninja-sensei/id6450483301)

This educational tool, created by orthopedic surgeons, helps medical professionals learn to analyze long bone deformities. It provides tools for drawing, measuring, and simulating osteotomy solutions on provided or uploaded radiographs.

**Highlights:** Analyze long bone deformities, Radiograph analysis tools, Simulate osteotomy solutions, Upload custom radiographs, Drawing and measuring tools, Educational case examples

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription Plan | $14.99 | per year |


## Frequently asked questions

### Is LENS Connected Tower App free?

LENS Connected Tower App is free to download, with no in-app purchases.

### Is Bone Ninja Sensei free?

Bone Ninja Sensei is free to download, with in-app purchases available.

### Which has better reviews, LENS Connected Tower App or Bone Ninja Sensei?

LENS Connected Tower App is rated higher. LENS Connected Tower App averages 4.6 out of 5 from 5 ratings, while Bone Ninja Sensei averages 3.7 from 3 ratings.

### Do LENS Connected Tower App or Bone Ninja Sensei have ads?

Neither LENS Connected Tower App nor Bone Ninja Sensei shows ads.

### Which is updated more often, LENS Connected Tower App or Bone Ninja Sensei?

LENS Connected Tower App ships an update every 7 months, and Bone Ninja Sensei every 3 months. Most recently, LENS Connected Tower App was updated on November 6, 2026 and Bone Ninja Sensei on November 3, 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.*