StreamLink vs Scientific Calculator 991EX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StreamLink
This utility app enhances browsing with features like incognito mode, webpage bookmarking, and automatic redirection. It prioritizes user privacy by not retaining browsing history or cookies. Unlock premium features with various membership plans.
- Incognito browsing
- Webpage bookmarking
- Manual categorization
- Automatic redirection
- Privacy protection
- Premium features
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StreamLink supports webpage bookmarking, manual categorization, incognito browsing, and redirection modes for enhanced convenience. In incognito mode, the browser does not retain browsing history, cookies, or other sensitive data, providing comprehensive protection for your browsing privacy. A unique redirection feature automatically returns you to the homepage when you switch to another page or turn off the screen, allowing you to easily enjoy a highly secure browsing experience. Download StreamLink and embark on a safe and efficient new browsing experience, perfectly blending user-friendly operation with privacy protection for a safer and smoother online journey. Unlock immediate access to our full suite of premium features with our Weekly, Annual, or Lifetime membership plans. To ensure your experience remains seamless and uninterrupted, your subscription is designed to renew automatically. The next payment will be processed through your account within the 24 hours leading up to your current cycle's expiration. Should you wish to pause your journey, simply navigate to your App Store Settings and disable the auto-renewal option at least 24 hours before the period ends; otherwise, your access will continue effortlessly into the next term. Start enjoying the ultimate experience today! Subscribe now and enjoy all premium features! Terms of Service:streamlinkweb.com/terms/ Privacy Policy:https://streamlinkweb.com/privacy/ Contact Email:zhunagaliev@za-stroy-too.com
Scientific Calculator 991EX
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Scientific Calculator 991EX is a natural-display scientific calculator designed for students, engineers, and technical work. Calculate and Complex modes are free. Pro unlocks ten advanced modes: • Statistics • Distribution • Spreadsheet • Table • Equation/Func • Inequality • Base-N • Matrix • Vector • Ratio Calculate with fractions, roots, trigonometry, logarithms, calculus, constants, unit conversions, complex numbers, matrices, vectors, statistics, probability distributions, spreadsheets, function tables, equations, inequalities, and ratios. Choose natural or linear input, convert exact results to decimals, and use calculation history and replay without creating an account. Calculations, settings, history, and the locally generated calculator identifier are stored on your device. The app has no ads, tracking, analytics SDKs, accounts, or backend data collection. Pro is available as a monthly or yearly auto-renewing subscription, or as a one-time Lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period; manage them in your Apple Account settings. Restore Purchases is available for devices using the same Apple Account. This independent app is not affiliated with or endorsed by any calculator manufacturer. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://matinformatics.org/privacy/scientific-calculator-fx-991ex
Screenshots
Verdict
The clearest difference is rating: StreamLink at 1.9 against Scientific Calculator 991EX's 1.0. StreamLink also leads on update cadence (weekly vs every 2 months) and ratings volume (18 vs 1). On price, ads, in-app purchases 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. StreamLink sells 3 in-app purchases, starting at $2.99 per 7 days and Scientific Calculator 991EX sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
StreamLink holds the better App Store score, 1.9 against 1.0. That said, the two scores are not equally well evidenced: StreamLink has 18 ratings behind it against 1, so its average is the more settled of the two.
StreamLink ships an update weekly, Scientific Calculator 991EX every 2 months. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.
| Parameter | StreamLink | Scientific Calculator 991EX |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (18 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 18 — better | 1 |
| Update frequency | Weekly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 109 MB | 9 MB |
| Age rating | 17+ | 4+ |
| Developer | ZA-STROY, TOO - 46L32B2XRL | Murad Yaghi |
In-app purchases
StreamLink
- week$2.997 Days
- year$19.991 Year
- lifetime$29.99
Scientific Calculator 991EX
- Monthly Pro$0.991 Month
- Yearly Pro$4.991 Year
- Lifetime Pro$14.99
Questions
Is StreamLink free?
Is Scientific Calculator 991EX free?
Which has better reviews, StreamLink or Scientific Calculator 991EX?
Do StreamLink or Scientific Calculator 991EX have ads?
Which is updated more often, StreamLink or Scientific Calculator 991EX?
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