Speed Checker vs UnitStack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Speed Checker
Easily check your internet connection speed and view past measurements. Discover the country of origin for any IP address. A subscription is required to access all features.
- Internet speed measurement
- Measurement history
- IP address country lookup
- Network name recording
- Data transfer speed display
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Checking your internet speed has never been so easy with Speed Checker The application will show the download and data transfer speed Main functions: MEASUREMENT HISTORY: You will have access to the history of speed measurements, the name of the network where the connection came from and the result of speed measurement LEARN IP: Send the IP to the application and Speed Checker will show which country this address is from. _____________________________________________________ To use all App's features you need a subscription. Privacy Policy Link: https://www.fish-mobiledev.com/terms-privacy/privacy-policy Terms&Conditions Link: https://www.fish-mobiledev.com/terms-privacy/terms-conditions
UnitStack
This utility app allows for simultaneous unit and currency conversions, saving your progress and custom units. Its minimalist design ensures a clear and efficient user experience for all your measurement needs.
- Stack multiple conversions
- Persistent values
- Custom units of measure
- Minimalist interface
- Custom color themes
- Currency conversion
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UnitStack lets you stack multiple unit conversions at once—so you never have to switch units or reselect conversions again. Your conversions are always saved. Open the app and start typing. Add custom units too—like that old reliable sauce spoon. Built for speed and clarity • Stack multiple conversions at once • Persistent values — pick up where you left off • Minimal, distraction-free interface • Custom color themes, including your own • Support for custom units of measure Whether you’re comparing measurements, converting currencies, or working across systems, UnitStack keeps everything visible and friction-free. Currency exchange rates are provided by Frankfurter (ECB reference rates).
Screenshots
Verdict
The clearest difference is rating: UnitStack at 5.0 against Speed Checker's 4.3. UnitStack also leads on in-app purchases (none vs 4). Speed Checker's advantage is ratings volume (47 vs 1) and iOS requirement (11.2 vs 18.6). On price, update cadence, 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. Speed Checker sells 4 in-app purchases, starting at $3.99 per 7 days. UnitStack asks for nothing beyond the download.
UnitStack holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Speed Checker has 47 ratings behind it against 1, so its average is the more settled of the two.
Speed Checker ships an update every 3 days, UnitStack every 2 days. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.
| Parameter | Speed Checker | UnitStack |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (47 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 47 — better | 1 |
| Update frequency | Every 3 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 11.2 — better | 18.6 |
| Further details — not scored | ||
| Size | 48 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | The Fishing Company AS | Michael Yang |
Customer experience
Speed Checker
UnitStack
In-app purchases
Speed Checker
- Premium Week$3.997 Days
- Speed Checker - Check Speed!$9.997 Days
- Premium$29.993 Months
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- Speed Checker - Check Speed$129.993 Months
UnitStack
No in-app purchases
Questions
Is Speed Checker free?
Is UnitStack free?
Which has better reviews, Speed Checker or UnitStack?
Do Speed Checker or UnitStack have ads?
Which is updated more often, Speed Checker or UnitStack?
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