# SagittalMeter Pro vs CNS+

The clearest difference is review sentiment: CNS+ at 100% against SagittalMeter Pro's 33%. CNS+ also leads on price (Free vs $9.99) and rating (5.0 vs 3.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

CNS+ is free to download; SagittalMeter Pro costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CNS+ holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 33% of SagittalMeter Pro's written reviews are positive against 100% of CNS+'s.

SagittalMeter Pro ships an update every 30 months, CNS+ every 4 months. Both last shipped on September 22, 2026.

## The numbers

| Metric | SagittalMeter Pro | CNS+ |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/sagittalmeter-pro/id964135293/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/cns-plus/id1580882992/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 4 months** |
| Monetization | Paid | **Free** |
| Size | 36 MB | 116 MB |
| Requires iOS | **12.2** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Jean-Charles LE HUEC](https://appshunter.io/developer/1880028964) | [Congress of Neurological Surgeons](https://appshunter.io/developer/551149057) |

## What reviewers say

### SagittalMeter Pro

[App page](https://appshunter.io/ios/app/sagittalmeter-pro/id964135293)

This app helps medical practitioners measure key parameters of sagittal balance directly from X-ray images using a phone. It aids in analyzing spine alignment for pre-operative planning and surgical outcomes. The tool provides measurements for pelvic incidence, pelvic tilt, sacral slope, and various lumbar and spinal angles.

**Highlights:** Measure sagittal balance parameters, Analyze spine alignment, Pre-operative planning tool, Calculate pelvic incidence, tilt, and sacral slope, Measure lumbar lordosis, Advanced mode for comprehensive analysis

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

**In-app purchases:** none


### CNS+

[App page](https://appshunter.io/ios/app/cns-plus/id1580882992)

Access a comprehensive collection of neurological surgery educational resources, including guidelines, publications, and courses. Manage your professional development with features like 'My Education' and 'My CME'.

**Highlights:** CNS Guidelines access, CNS Publications access, My Education & My CME integration, Case of the Month, Neurosurgery Watch, Podcasts, Courses & Webinars

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SagittalMeter Pro free?

SagittalMeter Pro costs $9.99, with no in-app purchases.

### Is CNS+ free?

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

### Which has better reviews, SagittalMeter Pro or CNS+?

CNS+ is rated higher. SagittalMeter Pro averages 3.0 out of 5 from 2 ratings, while CNS+ averages 5.0 from 4 ratings.

### Do SagittalMeter Pro or CNS+ have ads?

Neither SagittalMeter Pro nor CNS+ shows ads.

### Which is updated more often, SagittalMeter Pro or CNS+?

SagittalMeter Pro ships an update every 30 months, and CNS+ every 4 months. Most recently, SagittalMeter Pro was updated on September 22, 2026 and CNS+ on September 22, 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.*