Comparison

RepEight vs StretchPrep

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

RepEight

Features
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RepEight is the gym app built for lifters who care about every rep. Log workouts with weight, reps, and RPE. Track personal records automatically. See when you're ready to train each muscle again. Train with an AI coach that actually knows your history — on iPhone, Apple Watch, and your Lock Screen. Whether you're building muscle, chasing strength PRs, or staying consistent, RepEight gives you serious tracking and intelligent coaching in one app. LOG WORKOUTS LIKE A PRO • Log sets, reps, weight, RPE, rest time, and notes in real time • Previous bests shown on every set so you know what to beat • Built-in rest timer and instant PR alerts when you hit a new best • Start empty, use a saved routine, or follow a structured program • Session summary, full workout history, and incomplete set review 1,300+ EXERCISES WITH DEMO ANIMATIONS Browse 1,300+ strength, cardio, mobility, and bodyweight exercises with animated demonstrations. Search and filter by muscle group. Build custom exercises with RepEight Pro. PERSONAL RECORDS — AUTOMATIC & SEARCHABLE RepEight detects PRs as you train — no manual entry needed. • Track 1RM, max weight, volume PRs, and rep PRs • Searchable PR hub with muscle group and time period filters • Strength curves, exercise-level PR history, and share-ready PR cards RECOVERY INSIGHTS Per-muscle readiness based on your recent volume — with 24h, 48h, and 72h recovery windows. Train hard when you're ready. Back off when you're not. 27 BUILT-IN PROGRAMS Structured plans across Strength, Bodybuilding, Hybrid, Yoga, Cardio, and Mobility — including Push/Pull/Legs, Starting Strength 5×5, HIIT, and more. Save your own routines in folders. KAI, YOUR AI COACH Kai learns how you train — bodybuilding, powerlifting, hybrid, or general fitness — and adapts to your experience level, from beginner to advanced. Chat anytime, get weekly plans, post-workout debriefs, and proactive check-ins. Generate full workouts tailored to your equipment and goals. The AI workout analyzer scores sessions and tracks progressive overload. Quarterly training review with Pro. COMPARE & TRAIN WITH FRIENDS Head-to-head stats for workouts, volume, sets, and duration over 30d, 90d, 1y, or all time. Side-by-side exercise comparisons. Social feed, DMs, group chats, workout sharing, and training badges. APPLE WATCH & LIVE ACTIVITY Log weight, reps, and sets from your wrist. Live Activity on Lock Screen and Dynamic Island shows your current exercise, set count, and rest timer (Pro, iOS 16.2+). PROGRESS & APPLE HEALTH Workout heatmap, training streaks, muscle group breakdown, body heatmap, and weekly summary. Sync with Apple Health — read steps, energy, and sleep; write workouts back to Health. WHY LIFTERS CHOOSE REPEIGHT Serious set logging with RPE and rest timers. Automatic PR detection. Muscle recovery windows. An AI coach that adapts to how you train. 27 programs plus custom routines. Compare stats with friends. Apple Watch and Lock Screen tracking. Share-ready workout and PR cards. Download RepEight and put a strength tracker, PR log, and AI coach in your pocket. RepEight Pro Unlock unlimited AI coach chat and workout generation, advanced analytics, unlimited routines, full PR history, quarterly coach review, Live Activity, and custom exercises. Plan: RepEight Pro Monthly Duration: 1 month, auto-renewing Price: £3.99/month (localized price may vary) Payment is charged to your Apple ID at confirmation. Subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in App Store account settings. Privacy Policy: https://www.repeight.com/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

StretchPrep

Features
Read full description

Your body, your routine. StretchPrep is a stretching routine builder: compose exactly the session you need — zones, holds, order — and follow it with the guided player. BUILD YOUR ROUTINE • Pick from 151 illustrated stretches, organized by body zone: neck, shoulders, back, lower back, hips, glutes, hamstrings, quads, calves and more • Set each block your way: timed hold (30 s, 45 s…) or breath cycles • Left/right sides, custom block names, from warm-up to wind-down • Save routines as templates, organize with folders and tags, mark favorites FOLLOW THE GUIDED PLAYER • Big posture illustration, countdown, next stretch always announced • Left/right reminders and a soft gong at the end of each block — no need to watch the screen • You stretch, it guides • Voice announcements: a voice says the next stretch, and can count down 3, 2, 1 • Apple Health (optional): each session is saved as a workout in the Health app START IN SECONDS • 15 ready-made routines: morning wake-up, desk break, runner's recovery, hips & lower back… • Or start from your zones, goal and time, then make it yours SHARE YOUR ROUTINES • Send any routine with a short link: to a friend, a running partner, a client. • The person who opens it adds it to their app in one tap — or sees it on a web page. • Manage your links in Settings: copy them again or delete them at any time. Only the routines you share leave your device. MADE FOR PRACTITIONERS AND PROS Physios, coaches and teachers prepare sequences for their clients with StretchPrep — and export any routine as a clean PDF. PRIVATE BY DESIGN No account, no tracking. Your routines stay on your device. STRETCHPREP PRO The free version lets you build and play your first routines. Pro unlocks unlimited routines, the full stretch library, audio preview and the gong — monthly or yearly subscription. Terms of Use: https://stretchprep.rocketcode.app/terms/ Privacy Policy: https://stretchprep.rocketcode.app/privacy/

Screenshots

RepEight4 screens
StretchPrep4 screens

Verdict

The call

The clearest difference is update cadence: StretchPrep at every 4 days against RepEight's fortnightly. RepEight's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. RepEight sells 1 in-app purchase, starting at $3.99 per month and StretchPrep sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

RepEight ships an update fortnightly, StretchPrep every 4 days. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 3 level
RepEight versus StretchPrep: the parameters behind the verdict, then further details
ParameterRepEightStretchPrep
PriceFreeFree
Update frequencyFortnightlyEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPod, Apple Watch — betteriPhone
Requires iOS15.1 — better18.0
Further details — not scored
Size200 MB33 MB
Age rating4+4+
DeveloperREPEIGHT STUDIOS LTDAntoine Conan

In-app purchases

1 purchases

RepEight

Subscriptions1
  • RepEight Pro$3.991 Month
2 purchases

StretchPrep

Subscriptions2
  • Pro Monthly$5.991 Month
  • Pro Yearly3 Days trial$29.991 Year

Questions

Is RepEight free?
RepEight is free to download, with in-app purchases available.
Is StretchPrep free?
StretchPrep is free to download, with in-app purchases available.
Do RepEight or StretchPrep have ads?
Neither RepEight nor StretchPrep shows ads.
Which is updated more often, RepEight or StretchPrep?
RepEight ships an update fortnightly, and StretchPrep every 4 days. Most recently, RepEight was updated on October 12, 2026 and StretchPrep on October 13, 2026.

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