Comparison

Kinni vs Ultimate Challenge App

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

Head to head
About

Kinni

This app offers customizable running workouts for both indoor and outdoor use. It provides guided sessions with voice prompts, training plans for various distances, and a workout builder for personalized routines. Seamlessly connect to Bluetooth devices and sync your data with popular platforms.

Highlights
  • Customizable running workouts
  • Guided voice prompts
  • Training plans (5k to marathon)
  • Workout builder
  • Bluetooth device connectivity
  • Data syncing (Strava, TrainingPeaks)
  • Zwift compatibility
Features
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Kinni helps runners get more from treadmill training, connected devices, structured workouts, and training data. Run with your treadmill, follow workouts, connect heart-rate devices, review sessions, and keep your training moving whether you are working out at home, in the gym, or alongside your favourite virtual training apps. With Kinni you can: • Connect supported Bluetooth treadmills and fitness devices • Use FTMS-compatible treadmills for smarter treadmill sessions • Run structured workouts with speed and incline targets • Create, save, edit, and share custom workouts • Browse workouts and training plans from your library • Set goals for distance, duration, and workout structure • Track treadmill, no-machine, and connected-device sessions • Review session charts, splits, heart rate, pace, speed, distance, and incline • Sync compatible workouts and sessions with Apple Health and other connected services • Link supported accounts such as Strava and TrainingPeaks • Use companion-watch experiences for supported Apple Watch flows • Access recently loaded workout, plan, profile, and session information more reliably when connectivity changes • Share selected sessions and workouts with a cleaner media workflow • Use in-app support and updated help content when you need guidance Kinni is built for runners who want treadmill workouts to feel more connected, structured, and useful. Whether you are following a plan, building your own workout, checking treadmill compatibility, or reviewing your latest session, Kinni brings the key tools together in one place. This production update brings a substantial set of improvements from the Kinni beta programme into the App Store version, including stronger watch and health support, improved Bluetooth treadmill diagnostics, better offline resilience, refreshed Account and support experiences, and many stability improvements across workouts, sessions, sync, and connected services. Bluetooth treadmill compatibility can vary by manufacturer, model, and firmware. For best results, use a treadmill that exposes compatible Bluetooth FTMS capabilities and keep your app updated to the latest version.

About

Ultimate Challenge App

Features
Read full description

Manage your Ultimate Challenges on the go with the Ultimate Challenges app. Submit your activity, complete milestones and interact with other challengers in the app.

Screenshots

Kinni4 screens
Ultimate Challenge App4 screens

Verdict

The call

The clearest difference is device support: Kinni at 4 against Ultimate Challenge App's 2. Ultimate Challenge App's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

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

UpkeepUpdate frequency

Kinni ships an update every 3 months, Ultimate Challenge App every 4 months. The most recent releases landed on October 21, 2026 and October 27, 2026 respectively.

Scorecard2 real differences Ā· 6 level
Kinni versus Ultimate Challenge App: the parameters behind the verdict, then further details
ParameterKinniUltimate Challenge App
PriceFreeFree
Positive reviews53.8% of reviews—
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size56 MB160 MB
Age rating4+4+
DeveloperNoble Pro LtdActive Connections Ltd

In-app purchases

None

Kinni

No in-app purchases

None

Ultimate Challenge App

No in-app purchases

Questions

Is Kinni free?
Kinni is free to download, with no in-app purchases.
Is Ultimate Challenge App free?
Ultimate Challenge App is free to download, with no in-app purchases.
Do Kinni or Ultimate Challenge App have ads?
Neither Kinni nor Ultimate Challenge App shows ads.
Which is updated more often, Kinni or Ultimate Challenge App?
Kinni ships an update every 3 months, and Ultimate Challenge App every 4 months. Most recently, Kinni was updated on October 21, 2026 and Ultimate Challenge App on October 27, 2026.

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