Comparison

eMaxMobileApp vs TrailRig

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

Head to head
About

eMaxMobileApp

This tool optimizes STePS systems for various Bluetooth-enabled displays and drive units. It offers advanced tuning possibilities depending on your specific hardware and firmware.

Highlights
  • Optimizes STePS systems
  • Supports Bluetooth displays
  • Compatible with various drive units
  • Works with Shimano motor firmware
  • Advanced tuning possibilities
Features
Read full description

...the most advanced optimizing tool for STePS systems. All Bluetooth capable displays SC-EM800, SC-E8000, SC-E7000, SC-E6100, SW-EN600-L switch and EW-EN100 cockpit are supported! DU-EP801, DU-EP800, DU-E80X0, DU-EP600, DU-E7000, DU-E6XXX and DU-E50X0 drive units are supported. Partially compatible also with the latest Shimano motor firmware versions! See www.eMax-Tuning.com, especially the "news" and "support" section and/or get detailed & personal information via eMail from info@eMax-Tuning.com Also please check the document https://www.emax-tuning.com/eMax-possibilities.pdf for the tuning possibilities which are highly depending on the drive unit type and currently installed motor firmware version.

About

TrailRig

Features
Read full description

TrailRig is the maintenance log and digital garage for people who care about their bikes — mountain, gravel, or road. Track every component you fit, know exactly how worn it is, and get reminded before something needs service. No account required — everything lives on your device. KNOW YOUR RIG • Build a full component list per bike — frame, fork, shock, drivetrain, brakes, wheels, and dozens more, each with brand, model, serial, price, weight, and photos • Automatic "km on this part" tracking that follows components when you move them between bikes • A live "Needs attention" card and per-bike health dots so you can see what's due at a glance SERVICE & TUNE • Fork and shock service intervals by ride-hours, distance, or time — with background reminders • Suspension Setup Assistant (Pro): your official starting pressure from the brand's own charts (Fox, RockShox, Marzocchi, Öhlins, DVO, SR Suntour, X-Fusion, Formula and more), plus sag targets and a coil spring calculator • Log and switch Damping Profiles and Tire Profiles (Pro) — summer/winter setups in a tap • Torque specs and "Tools for this job" on each part FIND & COMPARE PARTS • Search spare parts across partner shops and compare prices • Price Stalker (Pro): get a push when a part drops to your target price KEEP THE PAPERWORK • Scan a bike invoice (Pro) to add a whole build at once • Invoices Vault and Insurance records per bike, with warranty and renewal reminders • Cost Dashboard (Pro): what you've spent per bike and across your garage YOURS, EVERYWHERE • iCloud Sync (Pro) keeps your garage consistent across your own devices • Full backups you control — export, encrypt, and restore exactly what you choose • QR build-sheet sharing and a home-screen widget Built by a rider, for riders. No ads, no tracking, no data harvesting. TrailRig Pro is a one-time in-app purchase that unlocks iCloud Sync, Price Stalker, the Suspension Setup Assistant, Damping & Tire Profiles, Cost Dashboard, invoice scanning, and more.

Screenshots

eMaxMobileApp4 screens
TrailRig4 screens

Verdict

The call

The clearest difference is price: TrailRig at Free against eMaxMobileApp's $0.99. TrailRig also leads on update cadence (every 4 days vs every 3 weeks). eMaxMobileApp's advantage is in-app purchases (none vs 1) and iOS requirement (15.6 vs 17.0). On ads 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

CostPrice · In-app purchases · Ads · Monetization

TrailRig is free to download; eMaxMobileApp costs $0.99 up front. TrailRig sells 1 one-off in-app purchase. eMaxMobileApp asks for nothing beyond the download.

UpkeepUpdate frequency

eMaxMobileApp ships an update every 3 weeks, TrailRig every 4 days. The most recent releases landed on October 30, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
eMaxMobileApp versus TrailRig: the parameters behind the verdict, then further details
ParametereMaxMobileAppTrailRig
Price$0.99Free — better
Rating4.5 (15 ratings) — better—
Positive reviews92.7% of reviews—
Number of ratings15 — better—
Update frequencyEvery 3 weeksEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size5 MB18 MB
Age rating4+4+
DeveloperMarkus SchlegelZoran Prole

In-app purchases

None

eMaxMobileApp

No in-app purchases

1 purchases

TrailRig

One-time1
  • TrailRig Pro$9.99

Questions

Is eMaxMobileApp free?
eMaxMobileApp costs $0.99, with no in-app purchases.
Is TrailRig free?
TrailRig is free to download, with in-app purchases available.
Do eMaxMobileApp or TrailRig have ads?
Neither eMaxMobileApp nor TrailRig shows ads.
Which is updated more often, eMaxMobileApp or TrailRig?
eMaxMobileApp ships an update every 3 weeks, and TrailRig every 4 days. Most recently, eMaxMobileApp was updated on October 30, 2026 and TrailRig on October 15, 2026.

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