Comparison

RayLab vs Grace Commons Young Adults

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

Grace Commons Young Adults

Read full description

This app will help you stay connected and grow with Grace Commons Young Adults. Whether single, married, with, or without kids Grace Commons Young Adults exists to create a space for young adults in the Boulder area to find community and grow in their discipleship to Jesus. With this app you can: stay up to date with push notifications; connect with one another using in app messaging; register for events; and grow with our spiritual formation resources.

Screenshots

RayLab4 screens
Grace Commons Young Adults3 screens

Verdict

The call

The clearest difference is in-app purchases: Grace Commons Young Adults at none against RayLab's 10. Grace Commons Young Adults also leads on ads (none vs shown). RayLab's advantage is update cadence (every 6 weeks vs every 8 months) and iOS requirement (11.0 vs 13.4). On price and device support 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. Grace Commons Young Adults asks for nothing beyond the download.

UpkeepUpdate frequency

RayLab ships an update every 6 weeks, Grace Commons Young Adults every 8 months. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.

Scorecard4 real differences · 6 level
RayLab versus Grace Commons Young Adults: the parameters behind the verdict, then further details
ParameterRayLabGrace Commons Young Adults
PriceFreeFree
Rating4.7 (67 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings67 — better—
Update frequencyEvery 6 weeks — betterEvery 8 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.0 — better13.4
Further details — not scored
Size39 MB46 MB
Age rating4+4+
DeveloperKamyar GhandiGrace Commons Church

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
None

Grace Commons Young Adults

No in-app purchases

Questions

Is RayLab free?
RayLab is free to download, with in-app purchases available.
Is Grace Commons Young Adults free?
Grace Commons Young Adults is free to download, with no in-app purchases.
Do RayLab or Grace Commons Young Adults have ads?
RayLab shows ads; Grace Commons Young Adults does not.
Which is updated more often, RayLab or Grace Commons Young Adults?
RayLab ships an update every 6 weeks, and Grace Commons Young Adults every 8 months. Most recently, RayLab was updated on October 23, 2026 and Grace Commons Young Adults on October 9, 2026.

Other comparisons