Comparison

Repstack vs Forge

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

Forge

This AI-powered coaching assistant for personal trainers allows you to log client workouts by simply talking. It automatically transcribes exercises, sets, reps, and weights, eliminating the need for manual data entry. Clients receive instant email summaries of their sessions.

Highlights
  • Voice-powered session logging
  • AI classification of workout data
  • Session history and client management
  • Automatic personal record tracking
  • Email session summaries for clients
  • Voice editing for corrections
Features
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Forge is the AI-powered coaching assistant built for personal trainers. Just talk during your session — Forge listens, transcribes, and logs every exercise, set, rep, and weight automatically. No more typing. No more clipboards. No more forgetting what your client did last week. HOW IT WORKS • Hit record and coach naturally • Forge's AI separates workout data from small talk in real time • When you're done, get a structured session summary instantly • Client gets an email recap automatically FEATURES • Voice-powered session logging — just talk, Forge handles the rest • AI classification — workout instructions vs. conversation, sorted automatically • Session history — every client's full training history at your fingertips • Personal records — PRs tracked and highlighted automatically • Client roster — manage all your clients in one place • Session email summaries — clients get a professional recap after every session • Voice editing — "move that last set to incline press" and it's done • Activity feed — see all sessions across clients with email status tracking • Background review — sessions parsed while you coach, review when you're ready PRO FEATURES ($19/mo) • Unlimited sessions (free tier includes 10) • Group classes — one recording, every client logged • Full analytics — strength curves, volume trends, PR tracking • CSV & PDF export — share progress reports with clients BUILT FOR THE GYM Forge works best with AirPods or a wireless mic. Designed for noisy environments where typing isn't an option. PRIVACY FIRST Audio is processed for transcription only and never stored. Your clients' data stays yours. Terms of Service: https://trainwithforge.fit/terms Privacy Policy: https://trainwithforge.fit/privacy

Screenshots

Repstack4 screens
Forge4 screens

Verdict

The call

The clearest difference is update cadence: Repstack at every 8 days against Forge's every 3 weeks. Repstack also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases 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 and Forge sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Repstack ships an update every 8 days, Forge every 3 weeks. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 8 level
Repstack versus Forge: the parameters behind the verdict, then further details
ParameterRepstackForge
PriceFreeFree
Rating—5.0 (9 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—9 — better
Update frequencyEvery 8 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPodiPhone, iPad, Apple Watch — better
Requires iOS15.1 — better17.0
Further details — not scored
Size41 MB97 MB
Age rating12+4+
DeveloperSteven LaGuardiaLightbox Studios LLC

In-app purchases

2 purchases

Repstack

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

Forge

Subscriptions4
  • Forge Coach Monthly$9.991 Month
  • ForgePro (Monthly)$19.991 Month
  • Forge Coach Annual$79.991 Year
Show 1 more
  • ForgePro (Annual)$149.991 Year

Questions

Is Repstack free?
Repstack is free to download, with in-app purchases available.
Is Forge free?
Forge is free to download, with in-app purchases available.
Do Repstack or Forge have ads?
Neither Repstack nor Forge shows ads.
Which is updated more often, Repstack or Forge?
Repstack ships an update every 8 days, and Forge every 3 weeks. Most recently, Repstack was updated on October 4, 2026 and Forge on October 5, 2026.

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