# ThingLink AR Viewer vs Flicker Safe

The clearest difference is in-app purchases: ThingLink AR Viewer at none against Flicker Safe's 1. ThingLink AR Viewer also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Flicker Safe's advantage is update cadence (every 3 weeks vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Flicker Safe sells 1 one-off in-app purchase. ThingLink AR Viewer asks for nothing beyond the download.

ThingLink AR Viewer ships an update every 2 months, Flicker Safe every 3 weeks. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ThingLink AR Viewer | Flicker Safe |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 5 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thinglink](https://appshunter.io/developer/641524540) | [Jan Sokol](https://appshunter.io/developer/1896490456) |

## What reviewers say

### ThingLink AR Viewer

[App page](https://appshunter.io/ios/app/thinglink-ar-viewer/id1671007593)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 ThingLink AR Viewer free?

ThingLink AR Viewer is free to download, with no in-app purchases.

### Is Flicker Safe free?

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

### Do ThingLink AR Viewer or Flicker Safe have ads?

Neither ThingLink AR Viewer nor Flicker Safe shows ads.

### Which is updated more often, ThingLink AR Viewer or Flicker Safe?

ThingLink AR Viewer ships an update every 2 months, and Flicker Safe every 3 weeks. Most recently, ThingLink AR Viewer was updated on October 6, 2026 and Flicker Safe on September 30, 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.*