# Slate Sync vs Flicker Safe

Slate Sync and Flicker Safe are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Slate Sync sells 2 in-app purchases, starting at $0.99 per month and Flicker Safe sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Slate Sync | Flicker Safe |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 39 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Indie Film Gear LLC](https://appshunter.io/developer/412384883) | [Jan Sokol](https://appshunter.io/developer/1896490456) |

## What reviewers say

### Slate Sync

[App page](https://appshunter.io/ios/app/slate-sync/id6744412755)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Yearly Subscription | $9.99 | per year |


### Flicker Safe

[App page](https://appshunter.io/ios/app/flicker-safe-test-light/id6771406035)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlickerSafe Pro | $6.99 | one-time |


## Frequently asked questions

### Is Slate Sync free?

Slate Sync is free to download, with in-app purchases available.

### Is Flicker Safe free?

Flicker Safe is free to download, with in-app purchases available.

### Do Slate Sync or Flicker Safe have ads?

Neither Slate Sync nor Flicker Safe shows ads.

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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.*