# CALIPER App vs EvidenceAlerts

The clearest difference is update cadence: EvidenceAlerts at every 2 days against CALIPER App's every 16 months. EvidenceAlerts also leads on iOS requirement (10.0 vs 13.0). 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.

CALIPER App ships an update every 16 months, EvidenceAlerts every 2 days. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CALIPER App | EvidenceAlerts |
| --- | --- | --- |
| 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 16 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 26 MB | 38 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [The Hospital for Sick Children](https://appshunter.io/developer/444728983) | [McMaster University](https://appshunter.io/developer/440315181) |

## What reviewers say

### 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


### EvidenceAlerts

[App page](https://appshunter.io/ios/app/evidencealerts/id1453347992)

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

**In-app purchases:** none


## Frequently asked questions

### Is CALIPER App free?

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

### Is EvidenceAlerts free?

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

### Do CALIPER App or EvidenceAlerts have ads?

Neither CALIPER App nor EvidenceAlerts shows ads.

### Which is updated more often, CALIPER App or EvidenceAlerts?

CALIPER App ships an update every 16 months, and EvidenceAlerts every 2 days. Most recently, CALIPER App was updated on October 16, 2026 and EvidenceAlerts on October 10, 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.*