# Oji Smart vs Chartboost Ad Preview

The clearest difference is ads: Oji Smart at none against Chartboost Ad Preview's shown. Oji Smart also leads on iOS requirement (13.0 vs 15.6). Chartboost Ad Preview's advantage is update cadence (every 6 weeks vs every 12 months). On price, 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.

Oji Smart ships an update every 12 months, Chartboost Ad Preview every 6 weeks. The most recent releases landed on September 22, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Oji Smart | Chartboost Ad Preview |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/oji-smart/id1489853501/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 12 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 169 MB | 17 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Proteck Global SINGH](https://appshunter.io/developer/1489853500) | [Chartboost, Inc.](https://appshunter.io/developer/600625252) |

## What reviewers say

### Oji Smart

[App page](https://appshunter.io/ios/app/oji-smart/id1489853501)

This application serves as a universal remote for various Oji lock types, including residential, commercial, parking, cabinet, and bicycle locks. It consolidates control for all your Oji security devices into a single, convenient interface.

**Highlights:** Control residential locks, Manage commercial locks, Operate parking locks, Secure cabinet locks, Lock bicycle locks

**Features:** macOS Compatibility

**In-app purchases:** none


### Chartboost Ad Preview

[App page](https://appshunter.io/ios/app/chartboost-ad-preview/id6748213283)

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

**In-app purchases:** none


## Frequently asked questions

### Is Oji Smart free?

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

### Is Chartboost Ad Preview free?

Chartboost Ad Preview is free to download, with no in-app purchases.

### Do Oji Smart or Chartboost Ad Preview have ads?

Chartboost Ad Preview shows ads; Oji Smart does not.

### Which is updated more often, Oji Smart or Chartboost Ad Preview?

Oji Smart ships an update every 12 months, and Chartboost Ad Preview every 6 weeks. Most recently, Oji Smart was updated on September 22, 2026 and Chartboost Ad Preview on September 13, 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.*