Comparison

Ultimateinstability vs TrailCore Radar

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

Head to head
About

Ultimateinstability

Access over 2000 animated exercises and pre-built workout programs using specialized equipment. Connect with a community of professionals and sync your workouts with Apple Health.

Highlights
  • 180+ animated exercises
  • 2000+ 3D animated exercises
  • Pre-built workout programs
  • UI-community for professionals
  • Sync with Apple Health App
Features
Read full description

The Ultimateinstability app allows you to complement workouts with Aquabags, Aquaballs and our Hydrovest. Not only does it contain 180+ animated exercises previously hosted on our Online Training Center it also provides you with countless other training exercises; dumbells, functional, core, etc. The Ultimateinstability app contains: - The UI-community, an online gathering place for professionals where ideas can be spread and discussed - 2000+ 3D animated exercises which you can use to create your own workouts and programs - Pre-build workout programs with the Aquabags, Aquaballs and our Hydrovest IMPORTANT NOTE: Before you get access to this application, you have to create your personal account for the Ultimateinstability app (This account is completely independent of the account you used on our website). Once you created your account you will be able to use the application on your desktop and on your phone by downloading the app in the Apple store. Get 3 months of free access to the Ultimateinstability app by creating your account and joining the UI Tribe! You can sync this app with Apple Health App. If you enable this connection, any workout in the Health app with automatically be added to your Activity Calendar.

About

TrailCore Radar

Features
Read full description

TrailCore Radar is a real-time GPS tracking tool to follow not just individuals, but groups and athletes during any outdoor activity — live, not just at the finish line! Cycling rides, hikes, trekking, MTB races, trail running, cycling tours and any sporting or group event. NOTE TrailCore Radar collects location data to enable GPS tracking even when the app is closed or not in use, for the duration of the sporting event. Background tracking is optimized for endurance activities: hours of battery life, screen off. HOW IT WORKS — The organiser creates the event, uploads the GPX track and gets a 4-digit code — Participants join with the code and activate the GPS tracker with a single tap — Family, friends and the team follow the live map from any browser — no app needed FOR PARTICIPANTS — One-tap GPS tracker — no registration required — Works with the screen off (background tracking) — Automatic position update every 30 seconds — SOS button for emergencies — Real-time battery indicator FOR ORGANISERS — Web dashboard to monitor all participants on the map — GPX track overlaid on the map — Automatic alerts: participant stopped, signal lost — Shareable event code in one click — No infrastructure required — works immediately FOR FAMILY & SPECTATORS — Live map accessible from any browser, no app needed — Real-time updates via WebSocket — Optimised for smartphones NOTE TrailCore Radar is a free amateur project, developed and maintained on a personal basis with no profit motive. Users are responsible for their own safety decisions in the field.

Screenshots

Ultimateinstability4 screens
TrailCore Radar4 screens

Verdict

The call

The clearest difference is update cadence: TrailCore Radar at every 4 days against Ultimateinstability's every 2 months. On price, 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

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

Ultimateinstability ships an update every 2 months, TrailCore Radar every 4 days. The most recent releases landed on September 29, 2026 and October 10, 2026 respectively.

Scorecard1 real difference · 9 level
Ultimateinstability versus TrailCore Radar: the parameters behind the verdict, then further details
ParameterUltimateinstabilityTrailCore Radar
PriceFreeFree
Rating4.6 (9 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings9 — better—
Update frequencyEvery 2 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size210 MB26 MB
Age rating12+4+
DeveloperUltimateinstability B.V.GIANFRANCO MOLLO

In-app purchases

None

Ultimateinstability

No in-app purchases

None

TrailCore Radar

No in-app purchases

Questions

Is Ultimateinstability free?
Ultimateinstability is free to download, with no in-app purchases.
Is TrailCore Radar free?
TrailCore Radar is free to download, with no in-app purchases.
Do Ultimateinstability or TrailCore Radar have ads?
Neither Ultimateinstability nor TrailCore Radar shows ads.
Which is updated more often, Ultimateinstability or TrailCore Radar?
Ultimateinstability ships an update every 2 months, and TrailCore Radar every 4 days. Most recently, Ultimateinstability was updated on September 29, 2026 and TrailCore Radar on October 10, 2026.

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