Comparison

Tazkirr vs Calculus Solver

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

Head to head
About

Tazkirr

Features
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Join thousands of Muslims already experiencing the future of Islamic learning and worship โ€” with the clarity, ease, and speed of AI. Tazkirr: Smart. Spiritual. Simple. Tazkirr is your all-in-one companion for faith, knowledge, and daily worship. Whether you're at home, at work, or traveling โ€” stay connected to your deen with personalized tools and accurate information. Your Ultimate Islamic Assistant โ€” Powered by AI Key Features: 1. Accurate Prayer Times & Athan Alerts Always stay on time with precise prayer notifications based on your location. 2. Qiblah Direction Anywhere Instant Qiblah compass works even without internet โ€” just open and align. 3. Read & Listen to the Holy Qur'an Beautiful recitations, clear translations, and bookmarking for every surah. 4. Ask Islamic Questions, Get AI Answers From fiqh to daily life โ€” ask anything and get answers from trusted sources and books. 5. AI Islamic Books & Knowledge Base Explore a growing library of authentic Islamic texts โ€” intelligently summarized for you. 6. Custom Settings, Seamless Experience Dark mode, athan sounds, reciter choice โ€” all tailored to your preferences.

About

Calculus Solver

Features
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Stuck on a calculus problem? Snap a photo or type it in, and Calculus Solver shows every step of the solution, not just the answer. SCAN OR TYPE ANY PROBLEM Point your camera at a textbook, worksheet or handwritten problem, crop the exercise you need, and get a full worked solution in seconds. No photo? Type the problem with the built-in math keyboard (โˆซ, โˆš, ฯ€, โˆž, xยฒ). EVERY STEP EXPLAINED Each solution starts with what is being asked and which rule applies, walks through the steps with the actual equations, and ends with a clearly marked final answer. Derivatives, integrals, limits, series, optimization, related rates and more. ASK FOLLOW-UP QUESTIONS Don't get a step? Ask right under the solution: "Why the chain rule here?", "Show me a similar problem", "Explain step 3 more". The tutor answers about your problem, with your numbers. AI CALCULUS TUTOR Chat with a tutor that only talks calculus. Straight answers, no fluff. PRACTICE FOR FREE โ€ข 40 quiz questions across limits, derivatives, integrals, and series โ€ข 40 flashcards with the rules and formulas you need on the exam โ€ข Scientific calculator PERFECT FOR AP Calculus AB/BC, Calculus I, II and III, pre-calculus, and anyone checking homework before turning it in. Unlimited solving, follow-up questions and the tutor chat require a subscription (weekly with a 3-day free trial, or yearly). Quizzes, flashcards and the calculator are free. Privacy Policy: https://meliann.notion.site/Privacy-Policy-For-Calculus-Solver-288476f8f041806cb0d1f2cedc145f22?pvs=73 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Tazkirr4 screens
Calculus Solver4 screens

Verdict

The call

The clearest difference is in-app purchases: Tazkirr at none against Calculus Solver's 2. Tazkirr also leads on update cadence (every 5 months vs every 11 months) and iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Calculus Solver sells 2 in-app purchases, starting at $4.99 per 7 days. Tazkirr asks for nothing beyond the download.

UpkeepUpdate frequency

Tazkirr ships an update every 5 months, Calculus Solver every 11 months. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

Scorecard3 real differences ยท 3 level
Tazkirr versus Calculus Solver: the parameters behind the verdict, then further details
ParameterTazkirrCalculus Solver
PriceFreeFree
Update frequencyEvery 5 months โ€” betterEvery 11 months
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 โ€” better17.6
Further details โ€” not scored
Size59 MB12 MB
Age rating4+4+
DeveloperAbdullah IsaNicolas Gustavo Melian

In-app purchases

None

Tazkirr

No in-app purchases

2 purchases

Calculus Solver

Subscriptions2
  • Weekly Plan3 Days trial$4.997 Days
  • Yearly Plan$24.991 Year

Questions

Is Tazkirr free?
Tazkirr is free to download, with no in-app purchases.
Is Calculus Solver free?
Calculus Solver is free to download, with in-app purchases available.
Do Tazkirr or Calculus Solver have ads?
Neither Tazkirr nor Calculus Solver shows ads.
Which is updated more often, Tazkirr or Calculus Solver?
Tazkirr ships an update every 5 months, and Calculus Solver every 11 months. Most recently, Tazkirr was updated on October 9, 2026 and Calculus Solver on October 6, 2026.

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