# Speed Checker vs UnitStack

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.

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.

## The numbers

| Metric | Speed Checker | UnitStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (47 ratings)](https://appshunter.io/ios/app/speed-checker-check-speed/id1605655506/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/unitstack/id6757423947/reviews)** |
| Number of ratings | **47** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 48 MB | 4 MB |
| Requires iOS | **11.2** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Fishing Company AS](https://appshunter.io/developer/1570442256) | [Michael Yang](https://appshunter.io/developer/1866843188) |

## What reviewers say

### Speed Checker

[App page](https://appshunter.io/ios/app/speed-checker-check-speed/id1605655506)

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:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Week | $3.99 | per 7 days |
| Speed Checker - Check Speed! | $9.99 | per 7 days |
| Premium | $29.99 | per 3 months |
| Speed Checker - Check Speed | $129.99 | per 3 months |


### UnitStack

[App page](https://appshunter.io/ios/app/unitstack/id6757423947)

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:** macOS Compatibility

**In-app purchases:** none


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