# SagittalMeter Lite vs BackSCNR

The clearest difference is update cadence: BackSCNR at every 2 months against SagittalMeter Lite's every 31 months. SagittalMeter Lite's advantage is iOS requirement (12.2 vs 15.4). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for SagittalMeter Lite against 5.0 for BackSCNR. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

SagittalMeter Lite ships an update every 31 months, BackSCNR every 2 months. The most recent releases landed on August 14, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | SagittalMeter Lite | BackSCNR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sagittalmeter-lite/id963720300/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/backscnr/id1629230768/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 36 MB | 42 MB |
| Requires iOS | **12.2** | 15.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Jean-Charles LE HUEC](https://appshunter.io/developer/1880028964) | [BackSCNR Inc.](https://appshunter.io/developer/1629230770) |

## What reviewers say

### SagittalMeter Lite

[App page](https://appshunter.io/ios/app/sagittalmeter-lite/id963720300)

This application assists medical practitioners in measuring crucial sagittal balance parameters directly from sagittal X-rays. It helps analyze spine problems and pre-operative planning by calculating pelvic incidence, pelvic tilt, and sacral slope.

**Highlights:** Measure sagittal balance parameters, Directly use phone on X-rays, Calculate Pelvic Incidence (PI), Calculate Pelvic Tilt (PT), Calculate Sacral Slope (SS), Aid in spine problem analysis

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

**In-app purchases:** none


### BackSCNR

[App page](https://appshunter.io/ios/app/backscnr/id1629230768)

This radiation-free tool uses surface topography to screen and monitor scoliosis in adolescents. It captures 3D torso scans, analyzes asymmetries, and estimates curve angles to support clinical decision-making.

**Highlights:** Radiation-free scoliosis screening, 3D torso capture with TrueDepth or Structure Sensor, Asymmetry analysis and curve angle estimation, Supports clinical decision-making, Rapid analysis via secure web platform

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

**In-app purchases:** none


## Frequently asked questions

### Is SagittalMeter Lite free?

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

### Is BackSCNR free?

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

### Which has better reviews, SagittalMeter Lite or BackSCNR?

SagittalMeter Lite and BackSCNR are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do SagittalMeter Lite or BackSCNR have ads?

Neither SagittalMeter Lite nor BackSCNR shows ads.

### Which is updated more often, SagittalMeter Lite or BackSCNR?

SagittalMeter Lite ships an update every 31 months, and BackSCNR every 2 months. Most recently, SagittalMeter Lite was updated on August 14, 2026 and BackSCNR on September 23, 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.*