Comparison

SIGMA LINK vs rad

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SIGMA LINK

Easily transfer training data from compatible devices to your smartphone. View personal bests, statistics, and completed tracks. Sync all your training data, workouts, and sport profiles with cloud integration for constant access.

Highlights
  • Transfer training units
  • View training statistics
  • Track personal bests
  • Manage device settings
  • Sync with SIGMA CLOUD
  • Access workouts and sport profiles
Features
Read full description

The SIGMA LINK App is your supplement to the DATA CENTER and the fastest and easiest way to access your training data. With SIGMA LINK, you can transfer all your training units from a compatible SIGMA product to your smartphone. In addition to this, device settings can be made directly in the app. Besides the individual trainings, the app also shows you personal best performances, training statistics as well as completed tracks. With the SIGMA CLOUD integration, you can sync all your training data, workouts, sport profiles and tracks now with the new LINK App. So your data is available on your iPhone all the time. Enjoy the new SIGMA LINK App! NOTE: Apple doesn't support NFC. If you want to show your data from another bike computer, please use our SIGMA CLOUD to sync your data.

About

rad

Stay informed about cycling news, race reports, and access your license digitally. Covers German and international cycling across all disciplines, from youth to professional levels.

Highlights
  • Cycling news and race reports
  • Digital license access
  • German and international cycling coverage
  • Push notifications for selected disciplines
  • Official portal for German Cycling e.V.
Features
Read full description

Radsport erleben – informiert und digital. Nachrichten, Rennberichte und deine Lizenz jederzeit verfügbar – alles in einer App. Mit der rad-net App bleibst du stets auf dem neuesten Stand: aktuelle Entwicklungen, spannende Rennberichte und relevante Nachrichten aus dem Radsport – jederzeit und überall. Der Fokus liegt auf dem deutschen organisierten Radsport: von der Radsportjugend über den Amateurbereich bis hin zum Profisport – und das über alle Disziplinen hinweg. Ergänzt wird das Angebot durch ausgewählte internationale Nachrichten. rad-net.de ist das offizielle Portal von German Cycling e.V. (GC) und veröffentlicht unter anderem amtliche Mitteilungen, Ausschreibungen und Ergebnisse. Digitale Lizenz immer dabei Alle deutschen Lizenznehmer können ihre Lizenz jetzt digital abrufen – direkt in der App. Einfach mit deinen Lizenzportal-Daten anmelden, und die Lizenz ist jederzeit griffbereit, insbesondere beim Rennen. In der App zählt das Wesentliche: kompakte, aktuelle Nachrichten, schnell abrufbar und übersichtlich aufbereitet – für Profi- und Breitensportler jeden Alters und jeder Disziplin. Individuelle Push-Nachrichten Erhalte genau die Nachrichten, die dich interessieren. Wähle deine Disziplinen und bleibe gezielt informiert. Für alle, die im Radsport nichts verpassen wollen.

Screenshots

SIGMA LINK4 screens
rad4 screens

Verdict

The call

The clearest difference is review sentiment: rad at 44% against SIGMA LINK's 9%. rad also leads on update cadence (every 2 months vs every 4 months). SIGMA LINK's advantage is iOS requirement (12.0 vs 16.0). On price, ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SIGMA LINK ships an update every 4 months, rad every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
SIGMA LINK versus rad: the parameters behind the verdict, then further details
ParameterSIGMA LINKrad
PriceFreeFree
Rating1.5 (8 ratings) — better—
Positive reviews9.0% of reviews44.4% of reviews — better
Number of ratings8 — better—
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size76 MB69 MB
Age rating4+4+
DeveloperSIGMA-ELEKTRO GmbHrad-net GmbH

Customer experience

SIGMA LINK

All ratings8 ratings
Positive12.5%
Neutral0.0%
Negative87.5%
Written reviews212 reviews
Positive9.0%
Neutral10.4%
Negative80.7%

rad

Written reviews9 reviews
Positive44.4%
Neutral0.0%
Negative55.6%

In-app purchases

None

SIGMA LINK

No in-app purchases

None

rad

No in-app purchases

Questions

Is SIGMA LINK free?
SIGMA LINK is free to download, with no in-app purchases.
Is rad free?
rad is free to download, with no in-app purchases.
Do SIGMA LINK or rad have ads?
Neither SIGMA LINK nor rad shows ads.
Which is updated more often, SIGMA LINK or rad?
SIGMA LINK ships an update every 4 months, and rad every 2 months. Most recently, SIGMA LINK was updated on November 2, 2026 and rad on November 3, 2026.

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