# S.H.I.E.L.D Technology vs Green Backyard

The clearest difference is update cadence: Green Backyard at monthly against S.H.I.E.L.D Technology's every 13 months. Green Backyard also leads on iOS requirement (11.0 vs 13.0). 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.

S.H.I.E.L.D Technology ships an update every 13 months, Green Backyard monthly. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | S.H.I.E.L.D Technology | Green Backyard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (9 ratings)](https://appshunter.io/ios/app/green-backyard/id6453694326/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 30.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Monthly** |
| Monetization | — | Free |
| Size | 77 MB | 181 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Octys LLC](https://appshunter.io/developer/634902439) | [NVIC TECH PTE LTD](https://appshunter.io/developer/1699529520) |

## What reviewers say

### S.H.I.E.L.D Technology

[App page](https://appshunter.io/ios/app/shield-technology/id1448111975)

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

**In-app purchases:** none


### Green Backyard

[App page](https://appshunter.io/ios/app/green-backyard/id6453694326)

Connect to your bird box camera to watch live streams of birds. Enjoy high-definition video, capture moments with recording, and receive real-time alerts about nesting and hatching. Share your discoveries with friends and family.

**Highlights:** Connect bird box camera, Live bird streaming, High-definition video, Image and video sharing, Motion and continuous recording, Real-time nesting alerts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is S.H.I.E.L.D Technology free?

S.H.I.E.L.D Technology is free to download, with no in-app purchases.

### Is Green Backyard free?

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

### Do S.H.I.E.L.D Technology or Green Backyard have ads?

Neither S.H.I.E.L.D Technology nor Green Backyard shows ads.

### Which is updated more often, S.H.I.E.L.D Technology or Green Backyard?

S.H.I.E.L.D Technology ships an update every 13 months, and Green Backyard monthly. Most recently, S.H.I.E.L.D Technology was updated on October 3, 2026 and Green Backyard 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.*