UMLink vs RF Tools ++
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UMLink
View and record live microscope feeds from M-JPEG compatible devices. Capture snapshots, freeze images, and utilize measurement tools for detailed analysis.
- M-JPEG microscope support
- Real-time preview
- Snapshot capture
- Video recording
- Image freeze
- Measurement functions
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UMLink supports M-JPEG format microscope connection, allowing real time preview. Features : • Snapshot • Video recording • Image freeze • Flip • Measurement functions
RF Tools ++
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RF Tools provides essential utilities for RF and link budget calculations including: Antenna Factor, Field Intensity, Phase, Time Delay, Wavelength, Cable Calculator, Cable Loss, Cable K1 K2 estimator, dBm/Watts conversions, dBµA/Amps conversions, dBµV/Volts conversions, Gain conversions, Power conversions, Free Space Loss, VHF/UHF Line of Sight, Fade Margin, Link Margin, Radar Max/Min Range, VSWR/Power/Return Loss Conversions, Radar Equation Solver and several reference items. The cable loss tool includes generic cables and many cables from Andrew, Beiden, Harbour Industries, Huber+Suhner, IW-Microwave, MegaPhase, Micro-Coax, PIC Wire & Cable, Times Microwave and Webro. Calculations are added regularly
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | UMLink | RF Tools ++ |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.3 — better | 17.0 |
| Further details — not scored | ||
| Size | 7 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Microlinks Technology Co,.Ltd | Jeff Curtis |
In-app purchases
UMLink
No in-app purchases
RF Tools ++
No in-app purchases









