Repstack vs Unit
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
Unit
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Log a set in 3 seconds and get back under the bar. Your weights from last time are already filled in — confirm, adjust, done. Paste your program and your working numbers are ready from day one. No account. No ads. No social feed. Your training stays on your iPhone. A gym notebook, not a platform. Unit requires a paid purchase after setup. Weekly, monthly, and yearly auto-renewing subscriptions are available. Optional Lifetime appears only if available. Prices are shown in the app before purchase. There is no free trial. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://unitlift.app/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Unit at none against Repstack's 2. Repstack's advantage is update cadence (every 8 days vs every 6 weeks) and iOS requirement (15.1 vs 18.0). On price, 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. Unit asks for nothing beyond the download.
Repstack ships an update every 8 days, Unit every 6 weeks. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.
| Parameter | Repstack | Unit |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 days — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 41 MB | 5 MB |
| Age rating | 12+ | 4+ |
| Developer | Steven LaGuardia | Efe Eren Can Bakır |
In-app purchases
Repstack
- Repstack Pro (Monthly)$3.991 Month
- Repstack Pro (Yearly)$23.991 Year
Unit
No in-app purchases









