# Delf Smart Lock vs FieldStream

The clearest difference is ads: Delf Smart Lock at none against FieldStream's shown. Delf Smart Lock also leads on iOS requirement (9.0 vs 13.0). FieldStream's advantage is update cadence (weekly vs every 22 months). On price, 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.

Delf Smart Lock ships an update every 22 months, FieldStream weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Delf Smart Lock | FieldStream |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Weekly** |
| Size | 101 MB | 27 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DHAA (Aust.) Pty Ltd](https://appshunter.io/developer/1530915481) | [Panthos Pty Ltd](https://appshunter.io/developer/1603556413) |

## What reviewers say

### Delf Smart Lock

[App page](https://appshunter.io/ios/app/delf-smart-lock/id1530915479)

**Features:** macOS Compatibility

**In-app purchases:** none


### FieldStream

[App page](https://appshunter.io/ios/app/fieldstream/id1603556411)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Delf Smart Lock free?

Delf Smart Lock is free to download, with no in-app purchases.

### Is FieldStream free?

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

### Do Delf Smart Lock or FieldStream have ads?

FieldStream shows ads; Delf Smart Lock does not.

### Which is updated more often, Delf Smart Lock or FieldStream?

Delf Smart Lock ships an update every 22 months, and FieldStream weekly. Most recently, Delf Smart Lock was updated on October 25, 2026 and FieldStream on October 25, 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.*