ROUNDS vs Mirror Delay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ROUNDS
This app transforms shadow boxing into a convenient, equipment-free workout. It uses your phone's camera to track punches, count reps, and monitor pace, offering various training modes and progress tracking. Share your workout summaries and compete with friends.
- Real-time punch detection
- Rep counting and pace tracking
- Multiple training modes (Free Spar, Challenge, Reflex, etc.)
- Workout session history and progress tracking
- Shareable workout summaries and videos
- Game Center integration for leaderboards
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ROUNDS turns your phone into a live punch counter and round timer for shadow boxing and conditioning workouts. On-device camera processing tracks punches and supported movements while you train. No bag, wearable, or Apple Watch required. PUT YOUR PHONE DOWN. START BOXING. ROUNDS handles the timer, punch count, transitions, and spoken guidance so you can focus on the workout. TRAIN YOUR WAY • Custom Session: Arrange Free Spar, conditioning, Freestyle, and Rest blocks in any order. Set individual time or rep targets, then repeat the complete timeline for up to 24 rounds with a subscription. • Free Spar: Build shadow boxing sessions with live punch counting, boxing pace, rounds, and optional replays. • Endurance: Keep punching and track your total output and pace. • Active Breaks: Add conditioning movements between Free Spar rounds. • Repeat Workout: Start again with the exact configuration saved from a completed session. CONDITIONING AND MOVEMENT Train standalone or add movements to a Custom Session: • Push Ups • Squats • Squat Jumps • Burpees • Jumping Jacks • Jump Rope • High Knees • Lateral Hops • Butt Kicks • Freestyle movement Supported exercises use live camera-based counting. Freestyle and Rest remain intentionally untracked. OPTIONAL REPLAYS Recording is optional and disabled by default. Train without recording, save a screen replay, or separately enable microphone audio. Camera tracking and spoken workout guidance work without microphone permission. Videos remain on your device unless you choose to save or share them. Training Audio provides conditioning guidance, announces upcoming blocks, and celebrates completed workouts. Guidance and announcements share an adjustable voice volume control in Settings. PUNCH GAMES Games remain secondary to boxing and conditioning: • Reflex: React to targets and measure accuracy. • Spar Invaders: Punch through arcade-style incoming targets. • Pad Strike: Hit wall-pad targets before they disappear. TRACK REAL PROGRESS • Completed-session history • Weekly training attendance • Round-by-round punch output • Boxing pace based on active boxing time • Conditioning repetitions and work time • Comparisons between matching workout configurations • Theme-matched result cards • Save and share workout results • Game Center rankings and friend challenges Basic results, completed-session history, and weekly attendance remain readable without Pro. TRY ROUNDS Before choosing a subscription, complete three Free Spar or Custom Sessions with up to three rounds each. Customize the workout, review your results, repeat the session, and save or share your result card. Eligible users can start a free trial with full access. Monthly and yearly subscription options are available through the App Store. Current pricing, billing periods, and trial eligibility are shown before purchase. PRIVACY BY DESIGN Camera pose analysis and punch detection happen on your device. ROUNDS does not collect camera footage, pose coordinates, microphone content, or personal names for analytics. ACCURACY ROUNDS uses camera-based motion detection. Punch and exercise counts are training estimates, not official scoring. Lighting, framing, camera angle, body visibility, and movement speed can affect accuracy. For best results, stand 6 to 8 feet from your phone, keep the required parts of your body visible, use controlled movement, and train against a simple background. Train in a clear space and stop exercising if you feel pain or discomfort. Make every round count. Privacy Policy: https://www.wastedrabbits.com/products/rounds-shadow-boxing#privacy Terms of Use: https://www.wastedrabbits.com/products/rounds-shadow-boxing#terms
Mirror Delay
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See the move you just made. Mirror Delay is a simple delay mirror for training. Open the app, allow the camera, and watch your movement a few seconds later — built for athletes, dancers, martial artists, and anyone improving their form, without recording a full video to review later. Free: - Delay mirror (front camera) - Choose your delay, from 1 to 30 seconds - No account, no sign-up Mirror Delay Plus adds tools for building a better practice setup: - Two-Device Mirror — one device is the camera, the other is the display - Landscape — hold your device sideways for a wider view - Interval Timer — hear a sound at each delay interval while you train - Zoom — zoom in for detail (rear 0.5× ultra-wide supported) - Flip — switch between the front and rear cameras Mirror Delay does not require an account. Your camera view stays on your device unless you use Two-Device Mirror to show it on another nearby device. Mirror Delay Plus is an auto-renewable subscription. Choose monthly or yearly (with a 14-day free trial); the price is shown on the App Store and in the app. Payment is charged to your Apple Account at purchase confirmation. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use: https://kaoru811.github.io/mirror-delay/terms Privacy Policy: https://kaoru811.github.io/mirror-delay/privacy
Screenshots
Verdict
The clearest difference is update cadence: Mirror Delay at every 6 days against ROUNDS's every 2 weeks. 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. ROUNDS sells 2 in-app purchases, starting at $3.99 per month and Mirror Delay sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
ROUNDS ships an update every 2 weeks, Mirror Delay every 6 days. The most recent releases landed on September 23, 2026 and September 12, 2026 respectively.
| Parameter | ROUNDS | Mirror Delay |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 35 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Wasted Rabbits | Kaoru Okamoto |
In-app purchases
ROUNDS
- Spar Pro3 Days trial$3.991 Month
- Spar Pro3 Days trial$29.991 Year
Mirror Delay
- Mirror Delay Plus Monthly$3.991 Month
- Mirror Delay Plus Yearly14 Days trial$29.991 Year





