Repstack vs CurlBro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Repstack
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You already have a training program. You just need a better place to put it. Repstack is the fastest way to get your training program off a spreadsheet and into your pocket. Paste your program from any source — AI structures it into a clean, editable plan in seconds. No manual entry. No rebuilding it exercise by exercise. Just paste and go. Built for experienced lifters who follow structured programs and don't need an app telling them what to do. No coaching. No recommendations. No charts. Just your program, organized and ready to use. IMPORT FROM ANYWHERE — INSTANTLY • Paste from Google Sheets, Apple Notes, PDFs, coach emails, or text messages • AI parses any format — spreadsheets, plain text, tables, whatever you have • Preserves your exact exercises, sets, reps, RPE, and notes • Handles complex notation: 3x5 @8, 5/3/1, AMRAP, top sets, backoffs • Your entire program is structured and usable in seconds — not hours EDIT FASTER THAN ANY OTHER APP • Chat with AI: "Add bench press 5x5 at RPE 8" — done • "Superset curls and pushdowns, 3 rounds" — done • "Make all sets AMRAP" — done • Full manual editing too — tap any exercise, set, or note to change it • Supersets, circuits, exercise groups — all seamless STRUCTURED FOR REAL PROGRAMS • Weeks and training days — the way real programs are written • Notes at every level — program, week, day, exercise, set • Mark days and sets complete as you train • Standalone workouts for one-off sessions FAST, CLEAN, INTUITIVE • No clutter, no distractions, no features you'll never use • Opens instantly — your program is right there • Every action is one or two taps • Designed for the gym floor, not the couch PRIVATE BY DEFAULT • All data stored locally on your device by default • Pro subscribers get automatic cloud backup — stored securely, not tied to your name or email • AI features send your text for processing — not stored after use • No accounts, no analytics, no tracking, no social features REPSTACK PRO • Unlimited AI imports and chat edits • Automatic cloud backup to restore across devices • Monthly or yearly subscription Built for powerlifters, bodybuilders, and anyone running a structured program who's tired of squinting at a spreadsheet between sets. Privacy Policy: https://repstack.up.railway.app/privacy Terms of Use: https://repstack.up.railway.app/terms
CurlBro
This strength-training app allows users to build, run, and log detailed workout sessions. It features an offline-first design with no account or subscription required, focusing on a clean tool for experienced lifters.
- Drag-to-reorder workout builder
- Superset grouping
- Built-in workout templates
- Per-set logging
- Rest timer with Live Activity
- Full workout history
- Share/import workouts as text
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Build a workout that fits your day, track every set, and see the work add up. CurlBro keeps planning, tracking, rest, and review in one place. Start with a built-in workout, make your own, or get a little help choosing what comes next. TRACK EVERY SET Record reps, weight, time, and distance. Adjust your sets as you go, add notes, and keep a clear record of what you actually did. TAKE YOUR REST Rest is part of the plan. Your timer can start automatically between working sets and superset rounds. Adjust it as you go, or keep an eye on it from the Lock Screen and Dynamic Island with Live Activities on supported iPhones. SEE THE WORK ADD UP Finish with a session summary, then explore your workout history, training volume, and exercise progress. Check what you lifted last time and how your training has changed over time. BUILD YOUR KIND OF WORKOUT Choose exercises, set reps and rest, arrange supersets, and save workouts to use again. Or let CurlBro put a session together around your time, equipment, and preferences, then make it your own. GET A LITTLE HELP WITH WHAT'S NEXT Find exercise suggestions based on the workout you're building. Explore additions, superset pairings, and alternatives when you want to change a movement. MAKE IT YOURS Create custom exercises, share your workouts, and import routines shared from CurlBro. You can also save completed strength workouts to Apple Health. You bring the effort. CurlBro keeps the details.
Screenshots
Verdict
The clearest difference is in-app purchases: CurlBro at none against Repstack's 2. Repstack's advantage is iOS requirement (15.1 vs 17.0). 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. Repstack sells 2 in-app purchases, starting at $3.99 per month. CurlBro asks for nothing beyond the download.
Repstack ships an update every 8 days, CurlBro every 11 days. The most recent releases landed on September 17, 2026 and September 30, 2026 respectively.
| Parameter | Repstack | CurlBro |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 8 days — better | Every 11 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 41 MB | 29 MB |
| Age rating | 12+ | 4+ |
| Developer | Steven LaGuardia | SIMONE LONGO |
In-app purchases
Repstack
- Repstack Pro (Monthly)$3.991 Month
- Repstack Pro (Yearly)$23.991 Year
CurlBro
No in-app purchases









