Comparison

OneRen vs TRIM TRAINZ

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

Head to head
About

OneRen

Easily book and manage fitness classes on the go. Receive real-time updates on class schedules, news, and special offers. Connect with your favorite fitness centers and share your activities with friends.

Highlights
  • Fitness class timetables
  • Real-time booking management
  • Center information and opening times
  • News and push notifications
  • Special offers and promotions
  • HealthKit integration for activity sharing
Features
Read full description

With the OneRen app you always have your facility in your pocket with quick and easy access to book your favourite fitness classes. Get up-to-date information, news, fitness class timetables, offers, events and receive push notifications for important news. FITNESS CLASS TIMETABLES Get real-time access to your centre’s timetable for classes, including times and class description. FITNESS CLASS BOOKINGS Check availability, make a booking, amend a booking and cancel a booking – all on the move! CENTRES AVAILABLE Find out about our opening times and facilities at Lagoon Leisure Centre, On-x Linwood, Renfrew Leisure Centre, Erskine Sports Centre, Johnstone Community Sports Hub, Erskine Swimming Pool, Renfrew Victory Baths. NEWS AND PUSH NOTIFICATIONS Instantly get notified of centre news and events direct to your phone. With our app, you’ll immediately know when there are new events or classes, ensuring that you’ll never miss a thing. OFFERS Get push notifications for new offers so you always know about special promotions. CONTACT US Easily contact us by phone or email. SHARE THROUGH FACEBOOK, TWITTER AND INSTAGRAM Share fitness classes, news, centre information and offers with your friends and family at the touch of a button. APPLE HEALTHKIT We also use HealthKit to allow users to share their activity and workout data with the app. This data is used to incentivise users to stay active.

About

TRIM TRAINZ

Features
Read full description

TRIM TRAINZ – Train Smart. Stay Lean. Perform Better. TRIM TRAINZ is your all-in-one coaching app designed to help you get leaner, stronger, and more consistent with your training. Built around structure, accountability, and results, TRIM TRAINZ gives you everything you need to stay on track and make real progress. No guesswork. Just a clear path to results. What You’ll Get • Structured Training Programs Effective workouts designed to help you burn fat, build strength, and improve performance. • Progress Tracking Log your workouts, monitor results, and stay motivated as you improve. • Nutrition Guidance Simple, practical strategies to support fat loss and overall health. • Accountability & Support Stay consistent with check-ins and ongoing coaching guidance. • Goal-Focused Approach Whether your aim is to lose weight, tone up, or improve fitness — TRIM TRAINZ keeps you moving forward. Why TRIM TRAINZ? Because getting lean isn’t about doing more — it’s about doing the right things consistently. TRIM TRAINZ helps you stay focused, disciplined, and in control of your progress. Stay lean. Train smart. Get results. Download TRIM TRAINZ and start your transformation today. *App access requires a paid coaching plan. Terms Of Use: https://kahunas.io/terms-conditions Privacy Policy: https://kahunas.io/privacy Medical Disclaimer: This app does not provide medical advice, diagnoses, or treatment. The information and guidance provided within the app are for general fitness and wellbeing purposes only. Always seek the advice of your physician or other qualified healthcare provider before starting any exercise program, changing your nutrition, or making decisions regarding your health.

Screenshots

OneRen4 screens
TRIM TRAINZ3 screens

Verdict

The call

The clearest difference is in-app purchases: OneRen at none against TRIM TRAINZ's 1. TRIM TRAINZ's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ads, device support and iOS requirement 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. TRIM TRAINZ sells 1 in-app purchase, starting at $249.99 per month. OneRen asks for nothing beyond the download.

UpkeepUpdate frequency

OneRen ships an update every 6 weeks, TRIM TRAINZ every 3 weeks. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 8 level
OneRen versus TRIM TRAINZ: the parameters behind the verdict, then further details
ParameterOneRenTRIM TRAINZ
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews16.7% of reviews—
Number of ratings1 — better—
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size105 MB55 MB
Age rating17+4+
DeveloperRenfrewshire Leisure LimitedAidan Trim

In-app purchases

None

OneRen

No in-app purchases

1 purchases

TRIM TRAINZ

Subscriptions1
  • TRIM TRAINZ APP PLAN$249.991 Month

Questions

Is OneRen free?
OneRen is free to download, with no in-app purchases.
Is TRIM TRAINZ free?
TRIM TRAINZ is free to download, with in-app purchases available.
Do OneRen or TRIM TRAINZ have ads?
Neither OneRen nor TRIM TRAINZ shows ads.
Which is updated more often, OneRen or TRIM TRAINZ?
OneRen ships an update every 6 weeks, and TRIM TRAINZ every 3 weeks. Most recently, OneRen was updated on October 13, 2026 and TRIM TRAINZ on October 5, 2026.

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