Sidney vs Relentless Challenge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sidney
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The Sidney-Shelby County YMCA app connects you with everything the Y has to offer. Simplify Scheduling: Easily register for classes, programs, and events. Achieve Goals: Track your progress with tools designed to support fitness, purpose, resilience, and community connections. Explore Wellness Content: Access resources for active living, stress management, resilience, and other YMCA initiatives. Connect with Your YMCA: Discover everything your local YMCA branch has to offer. Whether you’re looking to stay active, reduce stress, or build community connections, the Sidney-Shelby County YMCA app is here to support your well-being journey. Download now and take the next step toward your wellness goals!
Relentless Challenge
This app challenges groups to collectively log a significant distance of activity over a set period. It's designed to be difficult but achievable with teamwork and determination.
- Group activity logging
- Team-based challenges
- Distance tracking
- Time-bound goals
- User collaboration
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The RELENTLESS 2800 Team Challenge is simple: a group of 10 regular humans try and log 2800 Relentless Miles (the distance from NYC to LA) of activity in 40 days. Is it hard? Yep, it’s relentless. Can you do it? Heck yeah.
Screenshots
Verdict
The clearest difference is update cadence: Relentless Challenge at every 3 days against Sidney's every 19 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Sidney ships an update every 19 months, Relentless Challenge every 3 days. The most recent releases landed on September 14, 2026 and October 21, 2026 respectively.
| Parameter | Sidney | Relentless Challenge |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (18 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 18 — better |
| Update frequency | Every 19 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 38 MB | 28 MB |
| Age rating | 12+ | 4+ |
| Developer | Familyworks LLC | Relentless 2800 |
In-app purchases
Sidney
No in-app purchases
Relentless Challenge
No in-app purchases
Questions
Is Sidney free?
Is Relentless Challenge free?
Do Sidney or Relentless Challenge have ads?
Which is updated more often, Sidney or Relentless Challenge?
Other comparisons
