Comparison

Spark Communicator vs Polynomial Regression

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

Head to head
About

Spark Communicator

Facilitates educational conversations within an organization. Designed to support academic discussions and knowledge sharing among users.

Highlights
  • Supports educational discussions
  • Facilitates knowledge sharing
  • Designed for organizational use
  • Promotes academic discourse
Features
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Supporting educational discussions within your organization

About

Polynomial Regression

Features
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Polynomial Regression is your calculator and, more importantly, learning tool. You will be able to: * Construct polynomials of up to 20 degrees from either real or complex roots. * Interpolate polynomials from points by Lagrange, Newton or Vandermonde methods and Quadratic or Cubic splines. * Perform Least Squares approximation by orthogonal projection, with or without QR factorization, or partial derivatives. * Learn about each of the algorithms with derivations, proofs, step by step demonstrations, and visual tools. * Have an option to enter data by either typing or tapping on XY plane, and save data sets between program runs.

Screenshots

Spark Communicator4 screens
Polynomial Regression4 screens

Verdict

The call

The clearest difference is device support: Polynomial Regression at 3 against Spark Communicator's 1. Polynomial Regression also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Spark Communicator ships an update every 5 weeks, Polynomial Regression every 3 weeks. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 7 level
Spark Communicator versus Polynomial Regression: the parameters behind the verdict, then further details
ParameterSpark CommunicatorPolynomial Regression
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size53 MB4 MB
Age rating17+4+
DeveloperUniversity of California at San FranciscoYuri Morozov

In-app purchases

None

Spark Communicator

No in-app purchases

None

Polynomial Regression

No in-app purchases

Questions

Is Spark Communicator free?
Spark Communicator is free to download, with no in-app purchases.
Is Polynomial Regression free?
Polynomial Regression is free to download, with no in-app purchases.
Do Spark Communicator or Polynomial Regression have ads?
Neither Spark Communicator nor Polynomial Regression shows ads.
Which is updated more often, Spark Communicator or Polynomial Regression?
Spark Communicator ships an update every 5 weeks, and Polynomial Regression every 3 weeks. Most recently, Spark Communicator was updated on November 3, 2026 and Polynomial Regression on October 25, 2026.

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