# BiliAAP vs On

The clearest difference is price: On at Free against BiliAAP's $3.99. On also leads on update cadence (every 6 days vs every 3 months). BiliAAP's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On ads and in-app purchases there is nothing between them.

On is free to download; BiliAAP costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BiliAAP ships an update every 3 months, On every 6 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | BiliAAP | On |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/biliaap/id6443982747/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | Paid | — |
| Size | 79 MB | 14 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gerson Rodriguez](https://appshunter.io/developer/1587778389) | [Cesar Mejia Valero](https://appshunter.io/developer/1506871861) |

## What reviewers say

### BiliAAP

[App page](https://appshunter.io/ios/app/biliaap/id6443982747)

This medical app provides a clinical decision support system for managing neonatal jaundice. It offers calculators and algorithms based on established guidelines, with features for risk assessment, trend analysis, and multiple language support.

**Highlights:** Neonatal jaundice management, Clinical decision support, AAP and NICE guidelines, Risk curve by gestational age, Bilirubin calculations (mg/dl, µmol/L), Extended graphs (0-336 hours), Multi-language support

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

**In-app purchases:** none


### On

[App page](https://appshunter.io/ios/app/on-call-schedule-lite/id6468896281)

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

**In-app purchases:** none


## Frequently asked questions

### Is BiliAAP free?

BiliAAP costs $3.99, with no in-app purchases.

### Is On free?

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

### Do BiliAAP or On have ads?

Neither BiliAAP nor On shows ads.

### Which is updated more often, BiliAAP or On?

BiliAAP ships an update every 3 months, and On every 6 days. Most recently, BiliAAP was updated on November 3, 2026 and On on November 3, 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.*