Comparison

SIGMA LINK vs TQ E

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

TQ E

Customize and control your TQ-powered e-bike with this app. Adjust motor settings, personalize your riding modes, and monitor key bike information like battery status and odometer. The app offers a user-friendly interface for a tailored cycling experience.

Highlights
  • Bluetooth connectivity
  • Motor tuning and customization
  • Riding mode adjustment
  • Display customization
  • Battery status monitoring
  • Odometer tracking
Features
Read full description

With the TQ E-Bike App, you can connect your TQ-powered e-bike to your smartphone without any fuss, allowing you to customize and control it. Connecting your bike to the app: Download the app and open it. Register and make sure the Bluetooth® on your phone is on. Turn on your e-bike and tap the connect button on the start screen of the app. Dashboard Status: The dashboard only displays the most important information, such as battery status and odometer. A swipe to the left takes you to the Rider Screen. With a long press on the display values, you can configure them freely according to your preferences and keep an eye on the most important information during the ride. Settings: - With the Motor Tuning setting, you can fully customize the motor to your needs in any riding mode. You want maximum pedal feedback in mid mode or 200% support in high mode? No problem. Customize your own riding style with the TQ E-Bike app! - Adjust the maximum support speed in the "Motor Tuning" to adapt the system even better to your needs and your training. - You can switch through your riding modes via an ANT+ connected device (like a bike computer). - In the "My Bike" - "Bike Information" section, the current software version of your bike is displayed, allowing you to easily check if you need to visit a dealer for an update. - Adjust the display to your needs. Customize the sound, the displays and the order of the screens of your e-bike. - Use the app in multiple languages - In the support section, you will find quick help for urgent questions Additional information: The app cannot be connected to bikes with TQ-HPR120S e-bike system.

Screenshots

SIGMA LINK4 screens
TQ E4 screens

Verdict

The call

The clearest difference is rating: TQ E at 2.7 against SIGMA LINK's 1.5. TQ E also leads on review sentiment (22% vs 9%). SIGMA LINK's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, ratings volume, update cadence and ads 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.

ReceptionRating · Positive reviews · Number of ratings

TQ E holds the better App Store score, 2.7 against 1.5. Both are backed by a comparable volume of ratings — 8 and 14 respectively. Written reviews point the same way: 9% of SIGMA LINK's written reviews are positive against 22% of TQ E's.

UpkeepUpdate frequency

SIGMA LINK ships an update every 4 months, TQ E every 2 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

Scorecard4 real differences · 6 level
SIGMA LINK versus TQ E: the parameters behind the verdict, then further details
ParameterSIGMA LINKTQ E
PriceFreeFree
Rating1.5 (8 ratings)2.7 (14 ratings) — better
Positive reviews9.0% of reviews22.2% of reviews — better
Number of ratings814 — better
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better17.0
Further details — not scored
Size76 MB124 MB
Age rating4+17+
DeveloperSIGMA-ELEKTRO GmbHTQ-Systems GmbH

Customer experience

SIGMA LINK

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

TQ E

All ratings13 ratings
Positive30.8%
Neutral23.1%
Negative46.2%
Written reviews36 reviews
Positive22.2%
Neutral13.9%
Negative63.9%

In-app purchases

None

SIGMA LINK

No in-app purchases

None

TQ E

No in-app purchases

Questions

Is SIGMA LINK free?
SIGMA LINK is free to download, with no in-app purchases.
Is TQ E free?
TQ E is free to download, with no in-app purchases.
Which has better reviews, SIGMA LINK or TQ E?
TQ E is rated higher. SIGMA LINK averages 1.5 out of 5 from 8 ratings, while TQ E averages 2.7 from 14 ratings.
Do SIGMA LINK or TQ E have ads?
Neither SIGMA LINK nor TQ E shows ads.
Which is updated more often, SIGMA LINK or TQ E?
SIGMA LINK ships an update every 4 months, and TQ E every 2 months. Most recently, SIGMA LINK was updated on November 2, 2026 and TQ E on November 7, 2026.

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