Comparison

Positional Encoding vs Trig Solver

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

Head to head
About

Positional Encoding

Read full description

This is an educational App for readers interested in the sin/cos encoding of the token positions in large language models (LLM). Play with this App to acquire a deeper understanding of the positional encoder as it was described in the famous *Attention is All You Need* paper. In particular the App shows how the correlation between two positional vectors depends only on the distance between the corresponding two integer position.

About

Trig Solver

Features
Read full description

Trigonify brings the core tools for learning trigonometry into one focused, visual workspace. Solve a triangle, explore the unit circle, graph a function, review formulas, and practice the ideas behind each answerβ€”without creating an account or seeing ads. SOLVE WITH STEPS β€’ Solve right triangles with SOHCAHTOA and the Pythagorean theorem β€’ Find missing sides and angles with clear worked steps β€’ Use inverse sine, cosine, and tangent with domain guidance β€’ Switch between degrees, radians, gradians, and DMS β€’ Save solutions and return to them later SEE HOW TRIG FITS TOGETHER β€’ Drag around an interactive unit circle β€’ View exact values, quadrants, and reference angles β€’ Graph sine, cosine, and tangent with live controls for amplitude, period, phase, and vertical shift β€’ Link a moving unit-circle point to its waveform in the phase-shift playground STUDY AND PRACTICE β€’ Search a structured trigonometry formula reference β€’ Favorite the identities you use most β€’ Practice by topic, review mistakes, and track streaks and accuracy β€’ Use Exam Mode to hide solvers and answers while keeping reference tools available BUILT FOR REAL STUDY β€’ No account required β€’ No advertising β€’ Light, dark, high-contrast, and reduced-motion options β€’ iPhone and iPad support β€’ Local app settings, favorites, history, and practice progress Trigonify is an educational calculator and study aid. Check results before using them for exams, grading, engineering, construction, financial, or safety-critical work. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Positional Encoding2 screens
Trig Solver4 screens

Verdict

The call

The clearest difference is in-app purchases: Positional Encoding at none against Trig Solver's 3. Trig Solver's advantage is iOS requirement (16.4 vs 18.5). On price, ads and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Trig Solver sells 3 in-app purchases, starting at $4.99 per 7 days. Positional Encoding asks for nothing beyond the download.

Scorecard2 real differences Β· 4 level
Positional Encoding versus Trig Solver: the parameters behind the verdict, then further details
ParameterPositional EncodingTrig Solver
PriceFreeFree
Update frequencyMonthlyβ€”
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, Mac β€” betteriPhone, iPad
Requires iOS18.516.4 β€” better
Further details β€” not scored
Size2 MB54 MB
Age rating4+12+
Developercarl nohreMobin Akhter

In-app purchases

None

Positional Encoding

No in-app purchases

3 purchases

Trig Solver

Subscriptions2
  • Trigonify Pro Weekly$4.997 Days
  • Trigonify Pro Yearly$34.991 Year
One-time1
  • Trigonify Pro Lifetime$69.99

Questions

Is Positional Encoding free?
Positional Encoding is free to download, with no in-app purchases.
Is Trig Solver free?
Trig Solver is free to download, with in-app purchases available.
Do Positional Encoding or Trig Solver have ads?
Neither Positional Encoding nor Trig Solver shows ads.

Other comparisons