Comparison

Parametric Factorization vs Attestator

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

Head to head
About

Parametric Factorization

This application helps users factor quadratic trinomials by entering three variables. It provides detailed solution steps and stores all calculations in a history for easy access and sharing. Supports positive and negative numbers, as well as decimals.

Highlights
  • Factors quadratic trinomials
  • Detailed solution steps
  • Input history
  • Supports decimals and negative numbers
  • Shareable solutions
  • Ad removal option
Features
Read full description

No tricks, no guessing. Factor quadratic equations using a parametric method – fully and clearly understandable. HOW IT WORKS Enter the coefficients a, b and c of the equation ax² + bx + c. The factorization is derived step by step in a systematic way. You can share results at any time. YOUR PERSONAL DATA We don’t need it. Only anonymized data is collected, for example: - which features are used - how many solutions are generated This helps us improve. No conclusions can be drawn about you. COSTS Everything can be used for free. 24/7 access to your solutions. All solution steps are always shown completely. If you use the app more intensively, various purchase options are available. EXTRAS - Feedback for incorrect inputs - Manage your own solutions - Introduction to the app CONTACT Questions and feedback via Discord or directly in the app review.

About

Attestator

Read full description

Online exams with certification issuance. An application for monitoring the process of passing exams and tests with artificial intelligence function. This application requires authorization on the platform's website and works together with the online service. The application is designed for taking exams and tests after training courses for adults and children, skills and knowledge testing for employees and professionals. The methodology of analyzing the process of taking exams will allow you to accurately determine the level of involvement of the test taker in the process and prevent the help of outsiders, cheating, use of hints and cheat sheets. The program tools includes a system of certification accounting, certificate validity control and management of users' professional certification statuses.

Screenshots

Parametric Factorization4 screens
Attestator3 screens

Verdict

The call

The clearest difference is in-app purchases: Attestator at none against Parametric Factorization's 8. Attestator also leads on update cadence (every 6 days vs fortnightly). On price, ads, device support and iOS requirement 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. Parametric Factorization sells 8 one-off in-app purchases. Attestator asks for nothing beyond the download.

UpkeepUpdate frequency

Parametric Factorization ships an update fortnightly, Attestator every 6 days. The most recent releases landed on September 14, 2026 and September 19, 2026 respectively.

Scorecard2 real differences · 8 level
Parametric Factorization versus Attestator: the parameters behind the verdict, then further details
ParameterParametric FactorizationAttestator
PriceFreeFree
Rating2.9 (8 ratings) — better—
Positive reviews40.0% of reviews—
Number of ratings8 — better—
Update frequencyFortnightlyEvery 6 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size179 MB46 MB
Age rating4+4+
DeveloperGlindemann, Sennoun, Langer GbRAnton Ovchinnikov

In-app purchases

8 purchases

Parametric Factorization

One-time8
  • +30 User Tokens$0.29
  • +1 Convenience Token / 6h, max. +2$0.59
  • +2 Convenience Tokens / 6h, max. +4$0.99
Show 5 more
  • +150 User Tokens$0.99
  • +300 User Tokens$1.49
  • +4 Convenience Tokens / 6h, max. +8$1.59
  • Remove Ads$1.99
  • Lifetime Access$1.99
None

Attestator

No in-app purchases

Questions

Is Parametric Factorization free?
Parametric Factorization is free to download, with in-app purchases available.
Is Attestator free?
Attestator is free to download, with no in-app purchases.
Do Parametric Factorization or Attestator have ads?
Neither Parametric Factorization nor Attestator shows ads.
Which is updated more often, Parametric Factorization or Attestator?
Parametric Factorization ships an update fortnightly, and Attestator every 6 days. Most recently, Parametric Factorization was updated on September 14, 2026 and Attestator on September 19, 2026.

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