# BiliBuddy vs LDL

The clearest difference is in-app purchases: LDL at none against BiliBuddy's 1. LDL also leads on ads (none vs shown). BiliBuddy's advantage is update cadence (every 4 weeks vs every 4 months) and iOS requirement (15.1 vs 18.2). On price and device support there is nothing between them.

Both are free to download. BiliBuddy sells 1 one-off in-app purchase. LDL asks for nothing beyond the download.

BiliBuddy ships an update every 4 weeks, LDL every 4 months. The most recent releases landed on November 2, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | BiliBuddy | LDL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (258 ratings)](https://appshunter.io/ios/app/bilibuddy/id1173376805/reviews)** | — |
| Number of ratings | **258** | — |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 1 MB |
| Requires iOS | **15.1** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Covenant Data Systems, LLC](https://appshunter.io/developer/1393847632) | [Alper Yayla](https://appshunter.io/developer/1768379422) |

## What reviewers say

### BiliBuddy

[App page](https://appshunter.io/ios/app/bilibuddy/id1173376805)

This app helps healthcare professionals determine the need for phototherapy or exchange therapy in newborns based on their age, bilirubin levels, and risk factors. It utilizes the latest American Academy of Pediatrics guidelines and displays results on interactive nomograms. The app also tracks infant data and provides links to relevant research.

**Highlights:** Calculates phototherapy threshold, Displays on nomograms, Calculates infant age, Views risk factors, Supports US and SI units, Tracks bilirubin measures

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $6.99 | one-time |

**What reviewers like**

- 👍 Useful and easy to use
- 📈 Graphs and trends Bili levels
- ⏱️ Figures out baby's age in hours
- ✅ Spot on accuracy
- 📰 Updates Bili guidelines

**What reviewers complain about**

-  intrusive video/audio ads
- ❌ No display of risk zones
- 💥 App keeps crashing
- 🖱️ UI not the best
- 🔗 Link to further information doesn't work

**Reported bugs**

- Video/audio ads won't shut off
- App crashes
- Text boxes sometimes don't respond
- Link to further information doesn't work

**Requested features**

- Add or manage hours of phototherapy treatment
- Make scrolling between risk levels more obvious (e.g., more dots)
- Display low, intermediate, and high intermediate risk zones


### LDL

[App page](https://appshunter.io/ios/app/ldl-c-calculator/id6683293461)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BiliBuddy free?

BiliBuddy is free to download, with in-app purchases available.

### Is LDL free?

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

### Do BiliBuddy or LDL have ads?

BiliBuddy shows ads; LDL does not.

### Which is updated more often, BiliBuddy or LDL?

BiliBuddy ships an update every 4 weeks, and LDL every 4 months. Most recently, BiliBuddy was updated on November 2, 2026 and LDL 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.*