# VBAC Resource for Midwives vs CALIPER App

The clearest difference is update cadence: CALIPER App at every 16 months against VBAC Resource for Midwives's every 53 months. 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.

VBAC Resource for Midwives ships an update every 53 months, CALIPER App every 16 months. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | VBAC Resource for Midwives | CALIPER App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/caliper-app/id849920476/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 53 months | **Every 16 months** |
| Monetization | — | Free |
| Size | 15 MB | 26 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Association of Ontario Midwives](https://appshunter.io/developer/575658305) | [The Hospital for Sick Children](https://appshunter.io/developer/444728983) |

## What reviewers say

### VBAC Resource for Midwives

[App page](https://appshunter.io/ios/app/vbac-resource-for-midwives/id575658302)

**Features:** macOS Compatibility

**In-app purchases:** none


### CALIPER App

[App page](https://appshunter.io/ios/app/caliper-app/id849920476)

This app helps healthcare professionals and parents compare a child's lab test results against a comprehensive, up-to-date database of normal values. It simplifies the assessment of pediatric laboratory data, aiding in the identification of potential health concerns and treatment adjustments.

**Highlights:** Pediatric lab test comparison, Up-to-date reference value database, Supports over 100 routine tests, User-friendly interface, Portable on-the-go tool, Validated and published data

**In-app purchases:** none


## Frequently asked questions

### Is VBAC Resource for Midwives free?

VBAC Resource for Midwives is free to download, with no in-app purchases.

### Is CALIPER App free?

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

### Do VBAC Resource for Midwives or CALIPER App have ads?

Neither VBAC Resource for Midwives nor CALIPER App shows ads.

### Which is updated more often, VBAC Resource for Midwives or CALIPER App?

VBAC Resource for Midwives ships an update every 53 months, and CALIPER App every 16 months. Most recently, VBAC Resource for Midwives was updated on October 6, 2026 and CALIPER App on October 16, 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.*