# UMLink vs RF Tools ++

The clearest difference is price: UMLink at Free against RF Tools ++'s $1.99. UMLink also leads on iOS requirement (9.3 vs 17.0). RF Tools ++'s advantage is update cadence (every 2 weeks vs monthly). On ads, in-app purchases and device support there is nothing between them.

UMLink is free to download; RF Tools ++ costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UMLink ships an update monthly, RF Tools ++ every 2 weeks. The most recent releases landed on September 28, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | UMLink | RF Tools ++ |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/umlink/id1321730743/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 7 MB | 42 MB |
| Requires iOS | **9.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Microlinks Technology Co,.Ltd](https://appshunter.io/developer/716442380) | [Jeff Curtis](https://appshunter.io/developer/358219019) |

## What reviewers say

### UMLink

[App page](https://appshunter.io/ios/app/umlink/id1321730743)

View and record live microscope feeds from M-JPEG compatible devices. Capture snapshots, freeze images, and utilize measurement tools for detailed analysis.

**Highlights:** M-JPEG microscope support, Real-time preview, Snapshot capture, Video recording, Image freeze, Measurement functions

**Features:** macOS Compatibility

**In-app purchases:** none


### RF Tools ++

[App page](https://appshunter.io/ios/app/rf-tools-plus-plus/id1548209609)

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

**In-app purchases:** none


## Frequently asked questions

### Is UMLink free?

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

### Is RF Tools ++ free?

RF Tools ++ costs $1.99, with no in-app purchases.

### Do UMLink or RF Tools ++ have ads?

Neither UMLink nor RF Tools ++ shows ads.

### Which is updated more often, UMLink or RF Tools ++?

UMLink ships an update monthly, and RF Tools ++ every 2 weeks. Most recently, UMLink was updated on September 28, 2026 and RF Tools ++ on October 9, 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.*