# Water Striders vs PassBy

The clearest difference is in-app purchases: PassBy at none against Water Striders's 5. PassBy also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Water Striders sells 5 in-app purchases, starting at $2.99 per month. PassBy asks for nothing beyond the download.

Water Striders ships an update every 6 weeks, PassBy every 2 months. Both last shipped on October 15, 2026.

## The numbers

| Metric | Water Striders | PassBy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Size | 83 MB | 40 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stefanis Kundius](https://appshunter.io/developer/1663453770) | [Robbert Klein](https://appshunter.io/developer/1896109481) |

## What reviewers say

### Water Striders

[App page](https://appshunter.io/ios/app/water-striders/id6448780655)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | per month |
| 3 months purchase | $6.99 | per 3 months |
| 6 months purchase | $11.99 | per 6 months |
| 12 months purchase | $17.99 | per year |
| Water Striders Life Time | $49.99 | one-time |


### PassBy

[App page](https://appshunter.io/ios/app/passby-live-route-tracker/id6765870249)

**In-app purchases:** none


## Frequently asked questions

### Is Water Striders free?

Water Striders is free to download, with in-app purchases available.

### Is PassBy free?

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

### Do Water Striders or PassBy have ads?

Neither Water Striders nor PassBy shows ads.

### Which is updated more often, Water Striders or PassBy?

Water Striders ships an update every 6 weeks, and PassBy every 2 months. Most recently, Water Striders was updated on October 15, 2026 and PassBy on October 15, 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.*