# StreamLink vs Scientific Calculator 991EX

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.

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.

## The numbers

| Metric | StreamLink | Scientific Calculator 991EX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (18 ratings)](https://appshunter.io/ios/app/streamlink-seamless-continue/id6761163367/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/scientific-calculator-991ex/id6801710317/reviews) |
| Number of ratings | **18** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Subscription | — |
| Size | 109 MB | 9 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [ZA-STROY, TOO - 46L32B2XRL](https://appshunter.io/developer/1888083195) | [Murad Yaghi](https://appshunter.io/developer/1740110475) |

## What reviewers say

### StreamLink

[App page](https://appshunter.io/ios/app/streamlink-seamless-continue/id6761163367)

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.

**Highlights:** Incognito browsing, Webpage bookmarking, Manual categorization, Automatic redirection, Privacy protection, Premium features

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| week | $2.99 | per 7 days |
| year | $19.99 | per year |
| lifetime | $29.99 | one-time |


### Scientific Calculator 991EX

[App page](https://appshunter.io/ios/app/scientific-calculator-991ex/id6801710317)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.99 | per month |
| Yearly Pro | $4.99 | per year |
| Lifetime Pro | $14.99 | one-time |


## Frequently asked questions

### Is StreamLink free?

StreamLink is free to download, with in-app purchases available.

### Is Scientific Calculator 991EX free?

Scientific Calculator 991EX is free to download, with in-app purchases available.

### Which has better reviews, StreamLink or Scientific Calculator 991EX?

StreamLink is rated higher. StreamLink averages 1.9 out of 5 from 18 ratings, while Scientific Calculator 991EX averages 1.0 from 1 ratings.

### Do StreamLink or Scientific Calculator 991EX have ads?

Neither StreamLink nor Scientific Calculator 991EX shows ads.

### Which is updated more often, StreamLink or Scientific Calculator 991EX?

StreamLink ships an update weekly, and Scientific Calculator 991EX every 2 months. Most recently, StreamLink was updated on November 9, 2026 and Scientific Calculator 991EX on November 10, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*