Relentless vs Plain Weights
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Relentless
This app helps you track workouts, log nutrition, and monitor progress towards your fitness goals. It features an exercise library, customizable routines, calorie counting, and progress photos to keep you motivated.
- Workout logging with exercise library
- Customizable workout programs
- Nutrition and calorie tracking
- Progress photos and body measurements
- Social challenges and friend tracking
- Workout streaks and accountability
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Relentless is your all‑in‑one fitness companion for workouts, nutrition, and progress tracking. WORKOUT TRACKING • Log exercises, sets, reps, and weight with a simple interface • Large exercise library with video demos • Create and follow workout programs and routines • Rest timer and workout history • Track volume and progress over time NUTRITION & CALORIES • Set daily calorie and macro goals • Log meals by breakfast, lunch, dinner, and snacks • Search a food database or add custom foods • Scan meals with AI for quick logging PROGRESS & MEASUREMENTS • Progress photos to see your transformation • Body measurements (weight, body fat, waist, arms, etc.) • Custom measurement types • Charts and trends for your data STAY MOTIVATED • Workout streaks • Challenges with friends • Find and follow friends in the app • Share progress and stay accountable Terms of Use: https://StudySmarter1.github.io/relentless-legal/terms.html Relentless helps you stay consistent and reach your fitness goals.
Plain Weights
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The simplest way to track your progress and lift more. No account. No subscription. No creating a full workout programme just to log a set. Open the app, log your lifts, and get back to training. Log in seconds --------------- Create any exercise, name it what you want, tag your muscles your way. Then just log your sets. That's it. Know exactly what to beat -------------------------- Every session surfaces a delta comparison against your last weight, reps, and total volume. You'll see exactly where you're up, where you're down, and what it takes to keep progressing. Progressive overload, made obvious. Data that actually helps ----------------------- Trend lines for weight, reps, and volume. Personal records per exercise. Clean charts that show whether you're moving in the right direction. Everything you need, nothing you don't. Native iOS, built properly ------------------------- SwiftUI and SwiftData from the ground up which is fast, fluid, and offline by default. Plain Weights is just the least frustrating way to track your training and make sure you're always improving.
Screenshots
Verdict
The clearest difference is in-app purchases: Plain Weights at none against Relentless's 2. On price, update cadence, ads 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. Relentless sells 2 in-app purchases, starting at $12.99 per month. Plain Weights asks for nothing beyond the download.
Relentless ships an update every 2 weeks, Plain Weights every 8 days. The most recent releases landed on September 7, 2026 and September 12, 2026 respectively.
| Parameter | Relentless | Plain Weights |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (23 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 23 — better | — |
| Update frequency | Every 2 weeks | Every 8 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.0 | 26.0 |
| Further details — not scored | ||
| Size | 37 MB | 3 MB |
| Age rating | 12+ | 4+ |
| Developer | Nithya Thomas | AFOUNDRY LTD |
In-app purchases
Relentless
- Relentless Premium Monthly$12.991 Month
- Relentless Premium Yearly$29.991 Year
Plain Weights
No in-app purchases









