viiiv vs OneCrunches
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
viiiv
This app facilitates isometric strength training by connecting to specialized hardware. It allows users to select from various exercises, track real-time force data, and view progress reports with trend graphs. Users can log their sessions, create group accounts for clients, and share detailed performance summaries.
- 8+ isometric exercises
- Real-time force data graphing
- User account for data logging
- Group accounts for clients
- Progress reports with trend lines
- Sharable 2-page session reports
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Choose from 8+ exercises and graph real-time force data while performing isometric strength training exercises on the ViiV-Rx. This app will not function without the viiiv Pro machine to connect to - see https://viiivfitness.com Log into your User account to save and track your exercise data or use in Guest Mode without an account. Or create a Group Account for your wellness business to track all of your clients. Select either 5 (default) or 10 seconds per exercise. A 50% of Previous Best threshold Trigger Start insures maximum effort. Progress Reports with trend line graphs for each user and exercise. A 2-Page Report sharable via email, message, etc. shows Total Overall Strength Improvement after each viiiv session.
OneCrunches
This app provides a focused and reliable way to track your crunch workouts. It offers features like goal setting, progress visualization, and motivational tools to help you stay consistent with your core routine.
- Fast crunch counting with responsive controls
- Goals and progress tracking
- Streaks, records, and achievements
- Detailed stats and history
- Challenges and social accountability
- Widgets and shortcuts for quick access
- iCloud sync support
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TRACK EVERY CRUNCH. BUILD REAL MOMENTUM. OneCrunches is a focused crunch counter built for people who want fast, reliable workout tracking without friction. Tap to count, stay locked in, and watch your progress grow with goals, streaks, stats, achievements, reminders, widgets, themes, and challenges. Whether you are doing a quick ab session or building a long-term core routine, OneCrunches keeps the workout experience simple while giving you powerful tools to stay consistent. FEATURES • FAST CRUNCH COUNTING Tap to log every crunch with responsive controls designed for real workouts • QUICK ADD AND GESTURE CONTROLS Use tap, drag, and quick actions to count the way that feels best during your session • CLEAN, FOCUSED DESIGN A distraction-free interface keeps your attention on your workout • GOALS AND PROGRESS TRACKING Set daily, weekly, monthly, and custom goals with clear visual progress • STREAKS, RECORDS, AND ACHIEVEMENTS Stay motivated with streak tracking, personal bests, milestone celebrations, and unlockable achievements • DETAILED STATS AND HISTORY Review your crunch history with charts, averages, trends, active days, and performance insights • SHAREABLE STATS Export and share your progress summary with friends or on social media • SMART REMINDERS AND WEEKLY SUMMARIES Stay consistent with flexible reminders and weekly progress updates • CHALLENGES Create and join public challenges to stay accountable, see how others are doing, and keep your streak going • FLEXIBLE CHALLENGES One simple challenge format, two ways to play, pick a per-day target or a total goal, choose a duration, and you're in • APPLE WATCH APP Count from your wrist with workout session support and complications to keep your goal on your watch face • WIDGETS AND SHORTCUTS Track progress at a glance and add crunches faster from your Home Screen and other convenient entry points • PERSONALIZED THEMES Customize the counter with visual themes that make training more fun and rewarding • ICLOUD SYNC SUPPORT Keep your data available across devices and protected over time • OPTIONAL UPGRADES Remove ads and unlock premium content for an even better experience WHY OneCrunches? Most fitness apps try to do too much while you are working out. OneCrunches is built to do one thing extremely well: help you count crunches quickly, accurately, and consistently. You stay in control of every rep. No guessing. No clutter. Just a simple tool that helps you build momentum over time. Install OneCrunches now to turn every crunch into measurable progress.
Screenshots
Verdict
The clearest difference is in-app purchases: viiiv at none against OneCrunches's 4. viiiv also leads on ratings volume (3 vs 1) and iOS requirement (12.0 vs 17.6). OneCrunches's advantage is update cadence (weekly vs every 2 months). On price, rating, 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. OneCrunches sells 4 one-off in-app purchases. viiiv asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for viiiv against 5.0 for OneCrunches. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
viiiv ships an update every 2 months, OneCrunches weekly. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.
| Parameter | viiiv | OneCrunches |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 36 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Less Is More LLC | Jared Ewing |
Customer experience
viiiv
OneCrunches
In-app purchases
viiiv
No in-app purchases
OneCrunches
- Theme Pack$1.99
- Remove Ads$2.99
- Premium Themes$4.99
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