# Lytes vs BiliCalc

The clearest difference is chart position: BiliCalc at #179 against Lytes's unranked. BiliCalc also leads on price ($1.99 vs $2.99). Lytes's advantage is iOS requirement (14.1 vs 16.0). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

Lytes costs $2.99 and BiliCalc $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Lytes ships an update every 3 months, BiliCalc every 2 months. Both last shipped on October 15, 2026.

## The numbers

| Metric | Lytes | BiliCalc |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | **[4.8 (10 ratings)](https://appshunter.io/ios/app/lytes/id304747245/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | **66.7% of reviews** | 65.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Best chart rank | — | **#179** |
| Size | 1 MB | 6 MB |
| Requires iOS | **14.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Free Radical Software](https://appshunter.io/developer/300521249) | [Jacob Beniflah, MD](https://appshunter.io/developer/432749902) |

## What reviewers say

### Lytes

[App page](https://appshunter.io/ios/app/lytes/id304747245)

Provides quick, at-your-fingertips information on the causes, symptoms, diagnosis, and treatment of electrolyte disorders. Features an intuitive interface for rapid access to practical medical knowledge, including references to PubMed.

**Highlights:** Causes, signs, diagnosis, and treatment of electrolyte disorders, Intuitive single-screen interface, 50 pages of practical medical information, Resume reading where you left off, PubMed reference links

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

**In-app purchases:** none


### BiliCalc

[App page](https://appshunter.io/ios/app/bilicalc/id432749899)

**Currently charting:** #179 Top Paid · Medical (US App Store)

This app calculates phototherapy thresholds for newborns based on age, bilirubin levels, and neurotoxicity risk, referencing AAP guidelines. It displays values on a phototherapy nomogram and identifies the patient's risk zone using the Bhutani Nomogram.

**Highlights:** Calculates phototherapy threshold for newborns, Displays values on phototherapy nomogram, Identifies patient risk zone using Bhutani Nomogram, Calculates age from birth and lab times, Direct links to reference articles and risk factors, Supports US and SI units

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Simple design
- 👍 User-friendly interface
- ⏱️ Time saver
- 👍 Great for quick calculations

**What reviewers complain about**

- ❌ Outdated guidelines (2004)
- ❌ Not updated for 2022 guidelines
- ❌ Inaccurate plotting (historical)
- ❌ Potentially dangerous inaccuracies
- ❌ Appears abandoned

**Reported bugs**

- Intermittently inaccurate plotting of bili values
- Plots bili at lower than value entered
- Graph is backwards (historical)
- Instability misspelled (historical)
- Graph errors when on phone call (historical)

**Requested features**

- Update to 2022 guidelines
- Include transcutaneous measurements
- Show hours since birth on graph
- Plot more than one point on graph
- Add dark mode option


## Frequently asked questions

### Is Lytes free?

Lytes costs $2.99, with no in-app purchases.

### Is BiliCalc free?

BiliCalc costs $1.99, with no in-app purchases.

### Do Lytes or BiliCalc have ads?

Neither Lytes nor BiliCalc shows ads.

### Which is updated more often, Lytes or BiliCalc?

Lytes ships an update every 3 months, and BiliCalc every 2 months. Most recently, Lytes was updated on October 15, 2026 and BiliCalc on October 15, 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.*