# SagittalMeter Lite vs RealImaging Lite

The clearest difference is update cadence: RealImaging Lite at every 5 weeks against SagittalMeter Lite's every 31 months. SagittalMeter Lite's advantage is iOS requirement (12.2 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SagittalMeter Lite ships an update every 31 months, RealImaging Lite every 5 weeks. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SagittalMeter Lite | RealImaging Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sagittalmeter-lite/id963720300/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 36 MB | 322 MB |
| Requires iOS | **12.2** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Jean-Charles LE HUEC](https://appshunter.io/developer/1880028964) | [Realists Training Technologies GmbH](https://appshunter.io/developer/1789835340) |

## 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


### RealImaging Lite

[App page](https://appshunter.io/ios/app/realimaging-lite/id6740541328)

**In-app purchases:** none


## Frequently asked questions

### Is SagittalMeter Lite free?

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

### Is RealImaging Lite free?

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

### Do SagittalMeter Lite or RealImaging Lite have ads?

Neither SagittalMeter Lite nor RealImaging Lite shows ads.

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

SagittalMeter Lite ships an update every 31 months, and RealImaging Lite every 5 weeks. Most recently, SagittalMeter Lite was updated on October 5, 2026 and RealImaging Lite on October 1, 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.*