Comparison

Repstack vs KOBP Strength

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

KOBP Strength

This app is designed for serious lifters to track every set, see global rankings, and receive AI-powered coaching based on actual performance data. It offers detailed progress charts, custom lift logging, and a unique session sharing feature.

Highlights
  • Log every set, rep, and weight
  • Strength percentile rankings
  • AI-powered personalized coaching
  • Global leaderboard and competitor import
  • Shareable session summary cards
  • Import training history from any format
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Most workout apps are built for casual fitness. KOBP Strength is built for people who actually want to get stronger. Log every set. See where you rank globally. Get AI coaching based on your actual numbers; not generic advice. STRENGTH PERCENTILE RANKINGS Every lift is benchmarked against real-world standards. Know exactly where you stand; Beginner, Novice, Intermediate, Advanced, or Elite — relative to your bodyweight. Stop guessing. Start knowing. COACH AI Not generic tips. Coach AI reads your full training history and gives you the same feedback you'd pay a personal trainer $100/hour for — specific weights, rep targets, frequency adjustments, and PR predictions based on your actual progression rate. Available with Premium. Optionally reads Apple Health for recovery context. YOUR SESSION. YOUR ANIMAL. Every session generates a shareable 1080×1080 card showing your volume tier — Field Mouse, Grizzly Bear, Silverback, Elephant, and more. One tap to save or post anywhere. TRACK EVERY LIFT Log sets, reps, and weight with speed and precision. 30+ standard lifts across every muscle group. Custom lifts. Superset support. Copy previous session. Progress charts for every movement. GLOBAL LEADERBOARD See how your top sets stack up worldwide. Import competitors via share link. Friendly competition drives results. IMPORT AI Already have training history somewhere else? Import AI reads any format — CSV, screenshot, photo of your logbook, copied notes — and brings it all in automatically. No template required. CRUNCH FITNESS GIVEAWAY Nov 9-29, 2026: enter for a chance to win one of five 6-month Crunch Fitness Peak Results memberships. Free to enter, no purchase necessary. Open to Illinois residents 18+. Join in the app, log workouts, invite friends and scan at a participating Crunch club to earn more entries. Official Rules: kobpfitness.com/giveaway-rules. Sponsored by KOBP Fitness LLC. Not sponsored, endorsed or administered by Apple, Google or Instagram. Void where prohibited. FREE. FOREVER. Free account includes full progress charts, complete history, session share cards, strength percentile rankings, global leaderboard, and automatic cloud backup; no subscription required. Premium ($49.99/year or $6.99/month) adds Coach AI, Import AI, up to 5 lifters, custom lifts, bodyweight tracking, volume analytics, and CSV export. If you're tired of guessing and ready to train with intent; download KOBP Strength and start building real strength. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Repstack4 screens
KOBP Strength4 screens

Verdict

The call

Repstack and KOBP Strength are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 and KOBP Strength sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Repstack ships an update every 8 days, KOBP Strength every 6 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

ScorecardNo meaningful differences
Repstack versus KOBP Strength: the parameters behind the verdict, then further details
ParameterRepstackKOBP Strength
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 8 daysEvery 6 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better16.6
Further details — not scored
Size41 MB38 MB
Age rating12+12+
DeveloperSteven LaGuardiaBRIAN PEREZ

In-app purchases

2 purchases

Repstack

Subscriptions2
  • Repstack Pro (Monthly)$3.991 Month
  • Repstack Pro (Yearly)$23.991 Year
2 purchases

KOBP Strength

Subscriptions2
  • KOBP Fitness Premium-monthly$6.991 Month
  • KOBP Fitness Premium-Annual$49.991 Year

Questions

Is Repstack free?
Repstack is free to download, with in-app purchases available.
Is KOBP Strength free?
KOBP Strength is free to download, with in-app purchases available.
Do Repstack or KOBP Strength have ads?
Neither Repstack nor KOBP Strength shows ads.
Which is updated more often, Repstack or KOBP Strength?
Repstack ships an update every 8 days, and KOBP Strength every 6 days. Most recently, Repstack was updated on November 9, 2026 and KOBP Strength on November 5, 2026.

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