# RobotVision vs VELREN

The clearest difference is in-app purchases: RobotVision at none against VELREN's 1. RobotVision also leads on update cadence (every 5 days vs every 4 weeks) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. VELREN sells 1 one-off in-app purchase. RobotVision asks for nothing beyond the download.

RobotVision ships an update every 5 days, VELREN every 4 weeks. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | RobotVision | VELREN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 4 weeks |
| Size | 73 MB | 10 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Tran Cong Minh](https://appshunter.io/developer/1453488374) | [Serhii Stakhiv](https://appshunter.io/developer/1229347031) |

## What reviewers say

### RobotVision

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

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

**In-app purchases:** none


### VELREN

[App page](https://appshunter.io/ios/app/velren/id6810763856)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VELREN Pro | $19.99 | one-time |


## Frequently asked questions

### Is RobotVision free?

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

### Is VELREN free?

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

### Do RobotVision or VELREN have ads?

Neither RobotVision nor VELREN shows ads.

### Which is updated more often, RobotVision or VELREN?

RobotVision ships an update every 5 days, and VELREN every 4 weeks. Most recently, RobotVision was updated on October 25, 2026 and VELREN on October 26, 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.*