# Trailer On vs Lockii

The clearest difference is update cadence: Trailer On at every 5 days against Lockii's every 3 weeks. Trailer On also leads on iOS requirement (15.1 vs 17.0). 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.

Trailer On ships an update every 5 days, Lockii every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Trailer On | Lockii |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Size | 44 MB | 75 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Trailer On Demand LLC](https://appshunter.io/developer/1829960141) | [Bodhi Hawken](https://appshunter.io/developer/1630519726) |

## What reviewers say

### Trailer On

[App page](https://appshunter.io/ios/app/trailer-on-demand/id6749313918)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Lockii

[App page](https://appshunter.io/ios/app/lockii/id6760279723)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trailer On free?

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

### Is Lockii free?

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

### Do Trailer On or Lockii have ads?

Neither Trailer On nor Lockii shows ads.

### Which is updated more often, Trailer On or Lockii?

Trailer On ships an update every 5 days, and Lockii every 3 weeks. Most recently, Trailer On was updated on October 25, 2026 and Lockii on October 24, 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.*