Parametric Factorization vs Attestator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Factors quadratic trinomials
- Detailed solution steps
- Input history
- Supports decimals and negative numbers
- Shareable solutions
- Ad removal option
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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.
Attestator
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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
Verdict
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
Both are free to download. Parametric Factorization sells 8 one-off in-app purchases. Attestator asks for nothing beyond the download.
Parametric Factorization ships an update fortnightly, Attestator every 6 days. The most recent releases landed on September 14, 2026 and September 19, 2026 respectively.
| Parameter | Parametric Factorization | Attestator |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (8 ratings) — better | — |
| Positive reviews | 40.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Fortnightly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 179 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Glindemann, Sennoun, Langer GbR | Anton Ovchinnikov |
In-app purchases
Parametric Factorization
- +30 User Tokens$0.29
- +1 Convenience Token / 6h, max. +2$0.59
- +2 Convenience Tokens / 6h, max. +4$0.99
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- +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
Attestator
No in-app purchases
Questions
Is Parametric Factorization free?
Is Attestator free?
Do Parametric Factorization or Attestator have ads?
Which is updated more often, Parametric Factorization or Attestator?
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