# SmartHub vs HTH™ | Test to Swim™

The clearest difference is rating: HTH™ | Test to Swim™ at 4.7 against SmartHub's 2.7. HTH™ | Test to Swim™ also leads on iOS requirement (15.1 vs 17.0). SmartHub's advantage is monetization model (free vs free with in-app purchases) and chart position (#113 vs unranked). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HTH™ | Test to Swim™ holds the better App Store score, 4.7 against 2.7. Both are backed by a comparable volume of ratings — 2K and 4.2K respectively. Written reviews point the same way: 17% of SmartHub's written reviews are positive against 24% of HTH™ | Test to Swim™'s.

SmartHub ships an update every 2 months, HTH™ | Test to Swim™ monthly. Both last shipped on November 10, 2026.

## The numbers

| Metric | SmartHub | HTH™ | Test to Swim™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (2K ratings)](https://appshunter.io/ios/app/smarthub/id474874963/reviews) | **[4.7 (4.2K ratings)](https://appshunter.io/ios/app/hth-test-to-swim/id643360256/reviews)** |
| Number of ratings | 2K | **4.2K** |
| Positive reviews | 16.7% of reviews | **23.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#113** | — |
| Size | 29 MB | 55 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [National Information Solutions Cooperative](https://appshunter.io/developer/474874966) | [Solenis, LLC](https://appshunter.io/developer/1677207377) |

## What reviewers say

### SmartHub

[App page](https://appshunter.io/ios/app/smarthub/id474874963)

**Currently charting:** #113 Top Free · Utilities (US App Store)

Manage your utility and telecommunications accounts with ease. View usage, billing, and payment history. Report service issues, receive important company news, and manage your WiFi network all from your mobile device.

**Highlights:** View and manage bills and payments, Monitor energy usage trends, Contact customer service easily, Receive service news and outage alerts, Report service interruptions, Manage WiFi network and devices

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 🔒 Secure login
- 📊 Helpful usage data
- 💳 Convenient bill payment

**What reviewers complain about**

- 🐛 Frequent crashes
- ⚠️ Unreliable server connection
- 🕰️ Slow loading times
- 🔍 Difficult to navigate

**Reported bugs**

- Login issues after recent update
- Incorrect or missing usage data
- Inability to disable auto-pay
- Compatibility problems with newer OS versions

**Requested features**

- Add support for multiple utility accounts
- Improve push notification system
- Provide more detailed usage insights
- Allow customizable alert thresholds


### HTH™ | Test to Swim™

[App page](https://appshunter.io/ios/app/hth-test-to-swim/id643360256)

This app helps pool and spa owners maintain water quality by analyzing test strip results. It provides instant recommendations, step-by-step instructions, and access to helpful resources for clear and balanced water.

**Highlights:** Scan test strips with Google Cloud Vision, Interactive spa test strip matching, Instant water balance recommendations, Save test history, Pool and spa care resource library, Retail product locator

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful guidance
- 💡 Tracks water testing history

**What reviewers complain about**

- 🐛 Inconsistent and inaccurate results
- 🤖 Poor camera/scanning functionality
- 🤔 Requires too much personal information
- 🚫 Doesn't work for all pool types

**Reported bugs**

- Registration and login issues
- Crashing and freezing
- Incompatible with certain devices

**Requested features**

- Ability to manually enter test results
- More customization for pool size/type
- Improved accuracy and consistency


## Frequently asked questions

### Is SmartHub free?

SmartHub is free to download, with no in-app purchases.

### Is HTH™ | Test to Swim™ free?

HTH™ | Test to Swim™ is free to download, with no in-app purchases.

### Which has better reviews, SmartHub or HTH™ | Test to Swim™?

HTH™ | Test to Swim™ is rated higher. SmartHub averages 2.7 out of 5 from 2K ratings, while HTH™ | Test to Swim™ averages 4.7 from 4.2K ratings.

### Do SmartHub or HTH™ | Test to Swim™ have ads?

Neither SmartHub nor HTH™ | Test to Swim™ shows ads.

### Which is updated more often, SmartHub or HTH™ | Test to Swim™?

SmartHub ships an update every 2 months, and HTH™ | Test to Swim™ monthly. Most recently, SmartHub was updated on November 10, 2026 and HTH™ | Test to Swim™ 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.*