Comparison

Orthographic Projection vs Nuclide Chart

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

Head to head
About

Orthographic Projection

Master orthographic projection with this interactive educational app. Ideal for technical students and engineers, it offers engaging ways to learn and test your skills in 1st and 3rd angle projections through fun, gamified modes. Build your knowledge and earn stars as you progress.

Highlights
  • Interactive orthographic projection learning
  • 1st and 3rd Angle Projection modes
  • Easy and Hard difficulty modes
  • Spatial orientation improvement
  • Symbolic drawing creation
  • 32+ parts for practice
Read full description

Very useful application for technical school students and engineers. Learn or test your skills in the orthographic (orthogonal) projection through interactive way on your smartphone or tablet. This application will show you that learning can be very fun! Your knowledge will be appreciated in this application with the stars (yellow for easy mode, red for hard mode). Application features: --- No advertisements and no in-app purchases --- Application improves spatial orientation --- 1st Angle Projection --- 3rd Angle Projection --- Easy mode (rotate, mirror) --- Hard mode (rotate, mirror and mix) --- 32 parts (more soon) --- Interactive 3D model of the part --- Symbolic drawing creation of each part at the end Many successes !

About

Nuclide Chart

Features
Read full description

Explore the world of atomic nuclei with the most advanced Nuclide Chart for iPad. This app offers a complete, interactive visualization of all known isotopes (over 3000), perfect for study, research, and teaching. Features: • Live Data: Direct connection to the IAEA (International Atomic Energy Agency) database for up-to-date physical values. • Interactive: Smoothly zoom and pan through the entire chart of nuclides. • Decay Chains: Visualize decay paths (Alpha, Beta, etc.) instantly – step-by-step or as a full chain. • Smart Search: Find isotopes quickly by symbol, mass, or name. • Advanced Filters: Filter by stability or decay mode (Alpha, Beta+, Beta-, Fission). • Detailed Info: Comprehensive data for every nuclide (Half-life, Spin, Binding Energy, Magnetic Moment, Atomic Mass). • Offline-Ready: All data is cached locally for instant access. Ideal for physicists, chemists, students, and anyone interested in nuclear science.

Screenshots

Orthographic Projection3 screens
Nuclide Chart2 screens

Verdict

The call

The clearest difference is in-app purchases: Orthographic Projection at none against Nuclide Chart's 1. Orthographic Projection also leads on device support (5 vs 2) and iOS requirement (15.0 vs 17.0). Nuclide Chart's advantage is update cadence (daily vs every 57 months). On price and ads 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. Nuclide Chart sells 1 one-off in-app purchase. Orthographic Projection asks for nothing beyond the download.

UpkeepUpdate frequency

Orthographic Projection ships an update every 57 months, Nuclide Chart daily. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Orthographic Projection versus Nuclide Chart: the parameters behind the verdict, then further details
ParameterOrthographic ProjectionNuclide Chart
PriceFreeFree
Rating4.3 (6 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 57 monthsDaily — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod, Mac, Apple TV — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size384 MB15 MB
Age rating4+4+
DeveloperStefan HajduPeer Jansen

In-app purchases

None

Orthographic Projection

No in-app purchases

1 purchases

Nuclide Chart

One-time1
  • Nuclide Chart Pro$2.99

Questions

Is Orthographic Projection free?
Orthographic Projection is free to download, with no in-app purchases.
Is Nuclide Chart free?
Nuclide Chart is free to download, with in-app purchases available.
Do Orthographic Projection or Nuclide Chart have ads?
Neither Orthographic Projection nor Nuclide Chart shows ads.
Which is updated more often, Orthographic Projection or Nuclide Chart?
Orthographic Projection ships an update every 57 months, and Nuclide Chart daily. Most recently, Orthographic Projection was updated on November 2, 2026 and Nuclide Chart on October 30, 2026.

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