Comparison

Speed Checker vs UnitStack

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

Head to head
About

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.

Highlights
  • Internet speed measurement
  • Measurement history
  • IP address country lookup
  • Network name recording
  • Data transfer speed display
Features
Read full description

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

About

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.

Highlights
  • Stack multiple conversions
  • Persistent values
  • Custom units of measure
  • Minimalist interface
  • Custom color themes
  • Currency conversion
Features
Read full description

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

Speed Checker4 screens
UnitStack4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
Speed Checker versus UnitStack: the parameters behind the verdict, then further details
ParameterSpeed CheckerUnitStack
PriceFreeFree
Rating4.3 (47 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings47 — better1
Update frequencyEvery 3 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS11.2 — better18.6
Further details — not scored
Size48 MB4 MB
Age rating4+4+
DeveloperThe Fishing Company ASMichael Yang

Customer experience

Speed Checker

All ratings47 ratings
Positive78.7%
Neutral10.6%
Negative10.6%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

UnitStack

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Speed Checker

Subscriptions4
  • Premium Week$3.997 Days
  • Speed Checker - Check Speed!$9.997 Days
  • Premium$29.993 Months
Show 1 more
  • Speed Checker - Check Speed$129.993 Months
None

UnitStack

No in-app purchases

Questions

Is Speed Checker free?
Speed Checker is free to download, with in-app purchases available.
Is UnitStack free?
UnitStack is free to download, with no in-app purchases.
Which has better reviews, Speed Checker or UnitStack?
UnitStack is rated higher. Speed Checker averages 4.3 out of 5 from 47 ratings, while UnitStack averages 5.0 from 1 ratings.
Do Speed Checker or UnitStack have ads?
Neither Speed Checker nor UnitStack shows ads.
Which is updated more often, Speed Checker or UnitStack?
Speed Checker ships an update every 3 days, and UnitStack every 2 days. Most recently, Speed Checker was updated on September 18, 2026 and UnitStack on September 17, 2026.

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