# Project LAB vs Eye Charts

The clearest difference is rating: Project LAB at 4.5 against Eye Charts's 3.5. Project LAB also leads on review sentiment (83% vs 68%). Eye Charts's advantage is price ($4.99 vs $5.99) and iOS requirement (15.0 vs 18.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Project LAB costs $5.99 and Eye Charts $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Project LAB holds the better App Store score, 4.5 against 3.5. Both are backed by a comparable volume of ratings — 43 and 29 respectively. Written reviews point the same way: 83% of Project LAB's written reviews are positive against 68% of Eye Charts's.

Project LAB ships an update every 3 months, Eye Charts every 2 months. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Project LAB | Eye Charts |
| --- | --- | --- |
| Price | $5.99 | **$4.99** |
| Rating | **[4.5 (43 ratings)](https://appshunter.io/ios/app/project-lab/id860812533/reviews)** | [3.5 (29 ratings)](https://appshunter.io/ios/app/eye-charts/id1442509969/reviews) |
| Number of ratings | **43** | 29 |
| Positive reviews | **83.3% of reviews** | 67.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 5 MB | 23 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Ronny Makhoul](https://appshunter.io/developer/860812536) | [zijian huang](https://appshunter.io/developer/1442509968) |

## What reviewers say

### Project LAB

[App page](https://appshunter.io/ios/app/project-lab/id860812533)

This medical reference app provides quick access to high-yield information for patients, students, and healthcare professionals. It offers detailed explanations for lab panels, differential diagnoses, and medical terms, with offline capabilities and personal note-taking features.

**Highlights:** Lab panel explanations, Differential diagnosis (DDx), Medical term dictionary, Offline capability, Personal notes with iCloud sync, Apple Watch companion app, Quiz module

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Eye Charts

[App page](https://appshunter.io/ios/app/eye-charts/id1442509969)

Measure and track distant vision with optically precise optotypes. Supports various eye chart types and custom test distances. Useful for early detection of vision issues and monitoring progression.

**Highlights:** Optically precise optotypes, Multiple eye chart types (Snellen, Tumbling E, Landolt C, ETDRS, HOTV, Numbers, Shapes), Customizable test distances (meters and feet), Mirror and Bluetooth keyboard testing modes, Manual and auto-scoring test modes, Visual acuity progression tracking, LogMAR scoring

**In-app purchases:** none


## Frequently asked questions

### Is Project LAB free?

Project LAB costs $5.99, with no in-app purchases.

### Is Eye Charts free?

Eye Charts costs $4.99, with no in-app purchases.

### Which has better reviews, Project LAB or Eye Charts?

Project LAB is rated higher. Project LAB averages 4.5 out of 5 from 43 ratings, while Eye Charts averages 3.5 from 29 ratings.

### Do Project LAB or Eye Charts have ads?

Neither Project LAB nor Eye Charts shows ads.

### Which is updated more often, Project LAB or Eye Charts?

Project LAB ships an update every 3 months, and Eye Charts every 2 months. Most recently, Project LAB was updated on October 10, 2026 and Eye Charts on October 18, 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.*