Comparison

Project LAB vs Eye Charts

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Project LAB

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
Read full description

Project LAB – The #1 Medical Lab Reference (since 2014), completely reimagined We've rebuilt Project LAB from the ground up. With a stunning new premium interface, lightning-fast navigation, and powerful enhancements across all your iPhone, iPad, Mac, and Apple Watch, finding the exact medical knowledge you need has never been easier – or more beautiful Whether you are decoding your own health, studying for boards, or treating patients, Project LAB delivers high-yield information where every single word counts Who is Project LAB for? - For Patients: Finally understand what your health check-up results really mean, without the confusing jargon - For Medical Students: Your ultimate clinical companion. We cut the fluff so you get a pure, simple, and fast way to access high-yield knowledge - For Healthcare Professionals: A powerful, reliable, and lightning-fast pocket reference for your daily rounds Comprehensive & High-Yield The app includes great, highly specific explanations for every subject in the CBC, CMP, and UA Panels. Each lab test features a dedicated Differential Diagnosis (DDx), ensuring you have exactly what you need to make sense of the numbers What's New in This Massive Update: - Stunning Premium Design: A beautiful, intuitive new interface featuring smooth animations, a modern 'liquid glass' toolbar, and customizable Light, Dark, and System themes - Desktop-Class iPad Experience: A brand-new side-by-side layout lets you seamlessly browse the lab list and read detailed views simultaneously. It fully supports iPad multitasking - Now Native for Mac: Project LAB is now a full native Mac app, bringing the complete medical reference experience to your desktop - All-New Apple Watch App: The ultimate wrist companion. Instantly check normal lab values and filter by specific panels with a quick glance at your watch Signature Features You'll Love: - Project LAB Dictionary: Instantly view brief, targeted explanations for any condition, disease, medication, or medical term mentioned in the DDx - iCloud Personal Notes: Add your own private notes to any test. Your notes silently and securely sync across your iPhone, iPad, and Mac using your iCloud account - Smart Search & Filtering: Filter your real-time search results - Quiz: test your knowledge in the redesigned Quiz module - 100% Offline Capable: Your medical reference is always with you. The entire core database works perfectly offline (iCloud note syncing requires an internet connection) - Family Sharing Enabled: Buy it once, and seamlessly share it with your entire family Enjoy the best version of Project LAB yet!

About

Eye Charts

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
Read full description

Eye Charts is a vision testing app independently proven most accurate in a peer-reviewed study (JAMA Ophthalmology). Trusted by parents and clinicians to check, record, and track children's vision since 2018. Early detection of myopia allows you to take preventive action, seek medical advice promptly, and prevent pseudomyopia from worsening into myopia or stop nearsightedness from deteriorating further. INDEPENDENTLY EVALUATED ACCURACY Eye Charts was previously published as Visual Acuity Charts and was independently evaluated in a peer-reviewed study published in JAMA Ophthalmology (https://pmc.ncbi.nlm.nih.gov/articles/PMC7809609/). MORE THAN A DIGITAL EYE CHART Unlike paper charts that can fade, warp, or become memorized, Eye Charts presents randomized optotypes for each test. This helps reduce variability when repeating measurements over time. Choose from: • Snellen • ETDRS • Landolt C • Tumbling E • HOTV • Numbers • Shapes Charts use LogMAR-based sizing and support multiple visual acuity notations, including: • Fraction • LogMAR • MAR • Decimal • VAS FLEXIBLE TESTING Test at different distances to suit small rooms, hallways, clinics, schools, or other available spaces. Eye Charts is self-illuminated on iPhone and iPad, so chart visibility is less dependent on ambient room lighting. Screen brightness can be adjusted, including for longer testing distances such as 6 metres. THREE WAYS TO TEST 1. Doctor and patient — in a clinic or at home 2. Self-test with a mirror — wear an eye patch; the effective testing distance is doubled 3. Self-test with a Bluetooth keyboard — from a few meters away SEE TRENDS, NOT JUST SNAPSHOTS Record test results for individual subjects and visualize changes over time with simple graphs. This makes it easier to notice: • Gradual changes in visual acuity • Stability following an intervention • Differences between visits or repeated tests For parents, this provides a convenient way to monitor a child's visual acuity over time. For healthcare professionals, it provides a practical record for routine screening and follow-up. IMPORTANT MEDICAL NOTICE Eye Charts is a visual acuity screening and measurement tool. It does not replace an examination by an optometrist or ophthalmologist. It does not diagnose eye conditions such as strabismus, esotropia, exotropia, hyperopia, or astigmatism. Regular professional eye examinations are recommended, and you should seek professional medical advice if you notice changes in vision.

Screenshots

Project LAB4 screens
Eye Charts4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Project LAB versus Eye Charts: the parameters behind the verdict, then further details
ParameterProject LABEye Charts
Price$5.99$4.99 — better
Rating4.5 (43 ratings) — better3.5 (29 ratings)
Positive reviews83.3% of reviews — better67.6% of reviews
Number of ratings43 — better29
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS18.015.0 — better
Further details — not scored
Size5 MB23 MB
Age rating12+12+
DeveloperRonny Makhoulzijian huang

Customer experience

Project LAB

All ratings43 ratings
Positive86.0%
Neutral9.3%
Negative4.7%
Written reviews12 reviews
Positive83.3%
Neutral8.3%
Negative8.3%

Eye Charts

All ratings29 ratings
Positive58.6%
Neutral6.9%
Negative34.5%
Written reviews37 reviews
Positive67.6%
Neutral2.7%
Negative29.7%

In-app purchases

None

Project LAB

No in-app purchases

None

Eye Charts

No in-app purchases

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.