Comparison

RayLab vs 212

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

212

Prepare for ICS/SCADA cybersecurity certifications with over 500 practice questions. Master industrial control systems security, including protocols, frameworks, and vulnerabilities. Study efficiently with short sessions and track your progress.

Highlights
  • 500+ practice questions
  • 5-minute study sessions
  • Progress tracking
  • Remove mastered questions
  • Text-to-speech support
  • Dark mode
Features
Read full description

PASS YOUR EC-COUNCIL ICS/SCADA CYBERSECURITY EXAM Master industrial control systems security with 500+ practice questions designed for critical infrastructure professionals. 500+ practice questions 5-minute study sessions Track your progress Remove mastered questions Text-to-speech support Dark mode available WHY GET CERTIFIED? ICS/SCADA Cybersecurity professionals earn up to $203K annually (Skillsoft 2024). Critical infrastructure facilities urgently need certified experts who can protect power grids, water treatment plants, and manufacturing systems from nation-state attacks. WHAT YOU'LL MASTER: • Purdue Model Architecture with Level 0-5 zones and conduits • Modbus RTU, TCP, and ASCII protocol security vulnerabilities • DNP3 Protocol with secure authentication and critical SCADA functions • OPC-UA Security including certificate management and encryption • EtherNet/IP and CIP protocol exploitation techniques • IEC 62443 Standards with Security Levels (SL) 1-4 implementation • NIST SP 800-82 Rev. 3 guidance for industrial control systems • PLC Programming under IEC 61131-3 with ladder logic security • Safety Instrumented Systems (SIS) including SIL ratings • Stuxnet malware analysis with PLC rootkit infection chains • TRITON/TRISIS attacks targeting Schneider Electric safety systems • MITRE ATT&CK for ICS framework with 12 tactics and 81 techniques • Industrial DMZ design with unidirectional gateways and data diodes • CVSS vulnerability scoring adapted for operational technology • IDS/IPS deployment for SCADA with protocol-aware detection rules STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into industrial cybersecurity expertise. Download now. Pass your exam. Master critical infrastructure protection.

Screenshots

RayLab4 screens
2123 screens

Verdict

The call

The clearest difference is rating: RayLab at 4.7 against 212's 1.0. RayLab also leads on ratings volume (67 vs 1) and update cadence (every 6 weeks vs every 4 months). 212's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price, monetization model 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. 212 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

RayLab holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: RayLab has 67 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

RayLab ships an update every 6 weeks, 212 every 4 months. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 4 level
RayLab versus 212: the parameters behind the verdict, then further details
ParameterRayLab212
PriceFreeFree
Rating4.7 (67 ratings) — better1.0 (1 ratings)
Positive reviews75.0% of reviews—
Number of ratings67 — better1
Update frequencyEvery 6 weeks — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size39 MB27 MB
Age rating4+4+
DeveloperKamyar GhandiDavy Raitt

Customer experience

RayLab

All ratings63 ratings
Positive92.1%
Neutral0.0%
Negative7.9%
Written reviews36 reviews
Positive75.0%
Neutral5.6%
Negative19.4%

212

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

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

212

No in-app purchases

Questions

Is RayLab free?
RayLab is free to download, with in-app purchases available.
Is 212 free?
212 is free to download, with no in-app purchases.
Which has better reviews, RayLab or 212?
RayLab is rated higher. RayLab averages 4.7 out of 5 from 67 ratings, while 212 averages 1.0 from 1 ratings.
Do RayLab or 212 have ads?
RayLab shows ads; 212 does not.
Which is updated more often, RayLab or 212?
RayLab ships an update every 6 weeks, and 212 every 4 months. Most recently, RayLab was updated on November 1, 2026 and 212 on October 31, 2026.

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