# OCCDEC Occasion Detection vs RobotVision

The clearest difference is update cadence: RobotVision at every 5 days against OCCDEC Occasion Detection's every 2 weeks. OCCDEC Occasion Detection's advantage is 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.

OCCDEC Occasion Detection ships an update every 2 weeks, RobotVision every 5 days. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | OCCDEC Occasion Detection | RobotVision |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 32 MB | 73 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LineSpotting AB](https://appshunter.io/developer/1326519237) | [Tran Cong Minh](https://appshunter.io/developer/1453488374) |

## What reviewers say

### OCCDEC Occasion Detection

[App page](https://appshunter.io/ios/app/occdec-occasion-detection/id1495592504)

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

**In-app purchases:** none


### RobotVision

[App page](https://appshunter.io/ios/app/robotvision-object-detection/id6781029567)

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

**In-app purchases:** none


## Frequently asked questions

### Is OCCDEC Occasion Detection free?

OCCDEC Occasion Detection is free to download, with no in-app purchases.

### Is RobotVision free?

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

### Do OCCDEC Occasion Detection or RobotVision have ads?

Neither OCCDEC Occasion Detection nor RobotVision shows ads.

### Which is updated more often, OCCDEC Occasion Detection or RobotVision?

OCCDEC Occasion Detection ships an update every 2 weeks, and RobotVision every 5 days. Most recently, OCCDEC Occasion Detection was updated on October 2, 2026 and RobotVision on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*