# QuadStopwatch vs SmartSip

The clearest difference is update cadence: QuadStopwatch at every 3 days against SmartSip's every 2 months. QuadStopwatch also leads on iOS requirement (13.0 vs 18). On price, ads, in-app purchases and device support there is nothing between them.

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

QuadStopwatch ships an update every 3 days, SmartSip every 2 months. Both last shipped on October 8, 2026.

## The numbers

| Metric | QuadStopwatch | SmartSip |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 months |
| Size | 20 MB | 5 MB |
| Requires iOS | **13.0** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Come Back Agency, LLC](https://appshunter.io/developer/1736087180) | [长贵 周](https://appshunter.io/developer/6779968395) |

## What reviewers say

### QuadStopwatch

[App page](https://appshunter.io/ios/app/quadstopwatch/id6479511430)

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartSip

[App page](https://appshunter.io/ios/app/smartsip-hydration-tracker/id6790656642)

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

**In-app purchases:** none


## Frequently asked questions

### Is QuadStopwatch free?

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

### Is SmartSip free?

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

### Do QuadStopwatch or SmartSip have ads?

Neither QuadStopwatch nor SmartSip shows ads.

### Which is updated more often, QuadStopwatch or SmartSip?

QuadStopwatch ships an update every 3 days, and SmartSip every 2 months. Most recently, QuadStopwatch was updated on October 8, 2026 and SmartSip on October 8, 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.*