Comparison

RayLab vs Chroma Master

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

Head to head
About

RayLab

Design and simulate optical systems with this powerful tool. Explore 2D and 3D models, perform advanced ray tracing, and analyze optical performance. Ideal for learning or professional design.

Highlights
  • 2D/3D optical modeling
  • Geometric ray tracing
  • Sequential and non-sequential analysis
  • Advanced optical elements
  • Polarization ray tracing
  • Design optimization
  • Glass catalogs
Features
Read full description

RayLab is an application for design and simulation of optics. It can be used either as a learning tool or for the design of real optical systems. Basic version includes: • Ability to model 2D lenses and mirrors • Full control over placement and shape of optical components • Full control over aspheric surface shape parameters • Full geometric ray tracing • Sequential and Non Sequential analysis • Front Focal Length, Back Focal Length, Principle Surface calculations • Sample Models Upgrade to RayLab Pro enables: • 3D Modeling • Advanced Optical Elements such as Lens Arrays, Diffraction Gratings, Prisms, Fresnel Lenses, etc. • Polarization Ray Tracing * Ray Splitting / Beam Splitter modeling • Multi-Configuration Manager and animation functionality • Ability to perform optimizations of design parameters • Ray Transfer Matrix calculation • Various commercial glass catalogs • Zemax Importer • Multiple Analysis Windows: -- Fan Ray Diagram. -- Wavefront Error Plot. -- Grid Distortion Plot. -- Spot Diagram. -- Chromatic Aberration. -- Gaussian Spot Size. -- Polarization Analyzer. Upgrade is available with in-app purchases of various modules OR as a full featured subscription. • The subscription offers a 7 day free trial period. Subscription begins immediately but payment will only be charged to iTunes Account at the end of the trial period. • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. • The account will be charged for renewal within 24-hours prior to the end of the current period, at the same monthly price as the original subscription. • You may manage your subscriptions and auto-renewal may be turned off by going to your iTunes Account Settings after purchase. • No cancellation of the current subscription is allowed during active subscription period. • Any unused portion of a free trial period will be forfeited if the subscription is cancelled. Privacy Policy and Terms of Use: https://www.raymak.com/wp/privacy-policy

About

Chroma Master

Features
Read full description

Chroma Master is a color training app designed to improve color perception and matching skills. SUBSCRIPTION REQUIRED A subscription is required to access the app’s content and features. After completing onboarding, users must subscribe to unlock all training modes, including color matching exercises, special training modes, and progress statistics. AUTO-RENEWABLE SUBSCRIPTION • Subscription length and price are displayed on the purchase screen. • Payment will be charged to your Apple ID account. • Subscription automatically renews unless canceled at least 24 hours before the end of the current period. • You can manage or cancel your subscription in your Apple ID settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

RayLab4 screens
Chroma Master4 screens

Verdict

The call

The clearest difference is ads: Chroma Master at none against RayLab's shown. Chroma Master also leads on update cadence (daily vs every 6 weeks). RayLab's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 26.1). On price 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

Both are free to download. RayLab sells 10 in-app purchases, starting at $3.99 per month and Chroma Master sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

RayLab ships an update every 6 weeks, Chroma Master daily. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 6 level
RayLab versus Chroma Master: the parameters behind the verdict, then further details
ParameterRayLabChroma Master
PriceFreeFree
Rating4.6 (63 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings63 — better—
Update frequencyEvery 6 weeksDaily — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS11.0 — better26.1
Further details — not scored
Size39 MB110 MB
Age rating4+4+
DeveloperKamyar Ghandi浩伦 徐

In-app purchases

10 purchases

RayLab

Subscriptions1
  • RayLab Pro Subscription7 Days trial$3.991 Month
One-time9
  • RayLab Pro UpgradeFree
  • Schott Glass Catalog$0.99
  • Custom Glass Editor$0.99
Show 6 more
  • Advanced Optical Elements$1.99
  • Source and Lens Arrays$1.99
  • Solver/Optimizer Module$3.99
  • 3D Modeling$4.99
  • RayLab Pro 2$19.99
  • RayLab Pro Bundle$19.99
1 purchases

Chroma Master

Subscriptions1
  • Premium (Monthly)$1.991 Month

Questions

Is RayLab free?
RayLab is free to download, with in-app purchases available.
Is Chroma Master free?
Chroma Master is free to download, with in-app purchases available.
Do RayLab or Chroma Master have ads?
RayLab shows ads; Chroma Master does not.
Which is updated more often, RayLab or Chroma Master?
RayLab ships an update every 6 weeks, and Chroma Master daily. Most recently, RayLab was updated on October 7, 2026 and Chroma Master on October 8, 2026.

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