Comparison

Repstack vs Unit

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

Head to head
About

Repstack

Read full description

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

About

Unit

Features
Read full description

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

Repstack4 screens
Unit4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Repstack sells 2 in-app purchases, starting at $3.99 per month. Unit asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 3 level
Repstack versus Unit: the parameters behind the verdict, then further details
ParameterRepstackUnit
PriceFreeFree
Update frequencyEvery 8 days — betterEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better18.0
Further details — not scored
Size41 MB5 MB
Age rating12+4+
DeveloperSteven LaGuardiaEfe Eren Can Bakır

In-app purchases

2 purchases

Repstack

Subscriptions2
  • Repstack Pro (Monthly)$3.991 Month
  • Repstack Pro (Yearly)$23.991 Year
None

Unit

No in-app purchases

Questions

Is Repstack free?
Repstack is free to download, with in-app purchases available.
Is Unit free?
Unit is free to download, with no in-app purchases.
Do Repstack or Unit have ads?
Neither Repstack nor Unit shows ads.
Which is updated more often, Repstack or Unit?
Repstack ships an update every 8 days, and Unit every 6 weeks. Most recently, Repstack was updated on October 4, 2026 and Unit on October 7, 2026.

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