# Flash Backyard VN vs Slock GPS

The clearest difference is iOS requirement: Slock GPS at 13.0 against Flash Backyard VN's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Flash Backyard VN ships an update monthly, Slock GPS every 2 weeks. The most recent releases landed on October 6, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Flash Backyard VN | Slock GPS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 69 MB | 31 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [FLASH EXPRESS CO.,LTD](https://appshunter.io/developer/1322972723) | [Toan Dinh Xuan](https://appshunter.io/developer/1504241769) |

## What reviewers say

### Flash Backyard VN

[App page](https://appshunter.io/ios/app/flash-backyard-vn/id1578206995)

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

**In-app purchases:** none


### Slock GPS

[App page](https://appshunter.io/ios/app/slock-gps/id6626775463)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flash Backyard VN free?

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

### Is Slock GPS free?

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

### Do Flash Backyard VN or Slock GPS have ads?

Neither Flash Backyard VN nor Slock GPS shows ads.

### Which is updated more often, Flash Backyard VN or Slock GPS?

Flash Backyard VN ships an update monthly, and Slock GPS every 2 weeks. Most recently, Flash Backyard VN was updated on October 6, 2026 and Slock GPS on September 26, 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.*