# SpaNET SmartLink vs Fast! Intermittent Fasting

The clearest difference is in-app purchases: SpaNET SmartLink at none against Fast! Intermittent Fasting's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Fast! Intermittent Fasting sells 2 in-app purchases, starting at $6.99 per month. SpaNET SmartLink asks for nothing beyond the download.

SpaNET SmartLink ships an update every 3 weeks, Fast! Intermittent Fasting every 5 weeks. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | SpaNET SmartLink | Fast! Intermittent Fasting |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 17.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 25 MB | 9 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Spa Net Pty Ltd](https://appshunter.io/developer/911707294) | [chris marinelli](https://appshunter.io/developer/1847081696) |

## What reviewers say

### SpaNET SmartLink

[App page](https://appshunter.io/ios/app/spanet-smartlink/id1621226788)

Control your spa remotely from any location with this app. It connects to a WiFi module to manage all spa settings, including temperature, pumps, and lights. Optimize your spa's energy usage and even use voice commands via Alexa.

**Highlights:** Remote spa control, Adjust temperature and settings, Control pumps and lights, Energy cost reduction, Voice control with Alexa, Multi-lingual support

**Features:** Vision Pro support

**In-app purchases:** none


### Fast! Intermittent Fasting

[App page](https://appshunter.io/ios/app/fast-intermittent-fasting/id6758735858)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fast! Premium (Monthly) | $6.99 | per month |
| Fast! Premium (Annual) | $39.99 | per year |


## Frequently asked questions

### Is SpaNET SmartLink free?

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

### Is Fast! Intermittent Fasting free?

Fast! Intermittent Fasting is free to download, with in-app purchases available.

### Do SpaNET SmartLink or Fast! Intermittent Fasting have ads?

Neither SpaNET SmartLink nor Fast! Intermittent Fasting shows ads.

### Which is updated more often, SpaNET SmartLink or Fast! Intermittent Fasting?

SpaNET SmartLink ships an update every 3 weeks, and Fast! Intermittent Fasting every 5 weeks. Most recently, SpaNET SmartLink was updated on November 3, 2026 and Fast! Intermittent Fasting on November 9, 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.*