1Kilo vs RJSC
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
1Kilo
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Train with purpose. Measure what matters. Build a Strong Mind. The 1Kilo Performance Center app gives athletes and driven individuals direct access to elite-level coaching β whether you train in our facility or remotely. Inside the app you can: Schedule in-person training sessions Access your individualized training program Track strength, power, and performance metrics Review technique and training notes Message your coach directly This is not generic programming. Every plan is built with intention, backed by Olympic-level coaching experience and integrated mental performance strategies. Train intelligently. Track your progress. Perform when it matters.
RJSC
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On-demand workouts, challenges, personal training, and class signups Tired of googling movements from your trainer? Or wasting time scrolling through fitness apps aimlessly before a workout? Whether youβre looking for home workouts, or workouts on-the-go, RJSC is a versatile fitness app that provides access to a library of on-demand videos and challenges with movement demonstrations through its monthly subscription. This app is designed for those that want more guidance and efficiency within their workouts. It is meant to solve the ongoing issues of wanting to work out regularly but not knowing where to start. This also provides Denver clients the ability to purchase classes and book trainings by location directly through the app. Features within monthly app subscription: β’ Library of on-demand strength and HIIT workouts with video demonstrations. β’ New fitness challenges made available regularly. Virtual Personal Training: β’ Sign up for virtual personal training with Coach Ryan Johns with workouts tailored to you and your goals. β’ Accountability through regular zoom check-ins. β’ Nutrition coaching available. Denver-based Training: β’ Purchase classes based upon class-type and location of training. β’ Book classes and trainings. β’ Nutrition coaching available.
Screenshots
Verdict
1Kilo and RJSC are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
1Kilo ships an update every 7 months, RJSC every 4 months. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.
| Parameter | 1Kilo | RJSC |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 4 months β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details β not scored | ||
| Size | 40 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | WTF Enterprises LLC | RJSC, LLC |
In-app purchases
1Kilo
No in-app purchases
RJSC
No in-app purchases








