Pythagoras Calculator vs ViFi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pythagoras Calculator
Easily calculate any side of a right-angled triangle using the Pythagorean theorem. Input two sides to find the third, with all calculations saved in a history. Supports fractions and offers an ad-free option.
- Pythagorean theorem calculations
- Calculate any of the three sides
- History of calculations
- Supports fraction input
- Shareable solutions
- Ad-free option
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Finish your homework instantly. Prepare for exams without stress. Free, complete step-by-step solutions. Enter two sides and calculate the third using the Pythagorean theorem. HOW IT WORKS Enter your values in the correct fields and get started. You’ll receive the solution instantly and can share it with friends or classmates. 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. We cannot draw any conclusions about you. COSTS Everything is free to use. 24/7 access to your solutions. All solution steps are always fully available. If you need many solutions in a short time, various purchase options are available. EXTRAS - curated learning videos - feedback on incorrect inputs - manage your own solutions - app introduction CONTACT Questions and feedback via Discord or directly in the app review.
ViFi
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ViFi ile üniversite sınavlarına hazırlanmak artık çok daha kolay. Üniversiteni, fakülteni ve bölümünü seç; derslerine ait geçmiş vize, final, ara sınav, bütünleme ve quiz sorularına tek bir uygulamadan ulaş. Geçmiş sınavlar parmaklarının ucunda. Nereden çalışacağını bilemediğin anlarda gerçek sınav sorularıyla pratik yap, konuları pekiştir ve sınavlara güvenle gir. ÖNE ÇIKAN ÖZELLİKLER • Bölümüne özel arşiv: Üniversite, fakülte ve bölüm bazında düzenlenmiş geçmiş sınavlar • Her tür sınav: Vize, final, ara sınav, bütünleme, mazeret ve quiz • Sınav ekle, coin kazan: Elindeki sınavları paylaş, onaylandıkça coin kazan • Coin ile aç: Kazandığın coin'lerle kilitli sınavları kalıcı olarak aç • Kolay görüntüleme: Görsel ve PDF sınavları yakınlaştırarak rahatça incele • Bildirimler ve duyurular: Yeni içerik ve önemli duyurulardan anında haberdar ol • Son görüntülenenler: Kaldığın yerden hızlıca devam et ViFi, öğrencilerin katkılarıyla büyüyen bir topluluk arşividir. Sen de sınavlarını ekleyerek hem arşivi zenginleştir hem coin kazan. Hemen başla, bölümünü seç ve sınavlara bir adım önde gir!
Screenshots
Verdict
The clearest difference is in-app purchases: ViFi at none against Pythagoras Calculator's 8. ViFi also leads on update cadence (every 4 days vs every 4 weeks). Pythagoras Calculator's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support 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. Pythagoras Calculator sells 8 one-off in-app purchases. ViFi asks for nothing beyond the download.
Pythagoras Calculator ships an update every 4 weeks, ViFi every 4 days. Both last shipped on October 24, 2026.
| Parameter | Pythagoras Calculator | ViFi |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (248 ratings) — better | — |
| Positive reviews | 83.0% of reviews | — |
| Number of ratings | 248 — better | — |
| Update frequency | Every 4 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 179 MB | 18 MB |
| Age rating | 4+ | 12+ |
| Developer | Glindemann, Sennoun, Langer GbR | Emre Buyuker |
Bugs and requests
Pythagoras Calculator
Reported bugs
6 issues- App crashes or fails to calculate
- Paid ad removal not working properly
- Fraudulent payment processing through third-party sites
- Occasional incorrect calculation results
- App not functioning on iPhone 5SE and older devices
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- Persistent ads despite payment for removal
Requested features
6 requests- Calculate triangle angles
- Support angle-based calculations with one side
- Better monetization without aggressive ads
- Improved ratings system
- Real-time results display
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- Support for non-right triangles
ViFi
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Pythagoras Calculator
- +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
ViFi
No in-app purchases
Questions
Is Pythagoras Calculator free?
Is ViFi free?
Do Pythagoras Calculator or ViFi have ads?
Which is updated more often, Pythagoras Calculator or ViFi?
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