Comparison

GainMatrix vs Surge

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

Head to head
About

GainMatrix

Features
Read full description

Lift smarter with an AI gym tracker that understands your training, your recovery, and your next PR. GainMatrix is an all-in-one strength training companion that logs your workouts, coaches you with AI, tracks your recovery, and projects your future progress so you can stay consistent, avoid plateaus, and keep breaking records. AI PERSONAL COACH - Ask questions mid-workout about form, technique, or how to progress your lifts. - Get tailored plans whether your goal is strength, muscle gain, fat loss, or endurance. - Training adapts to you based on your real workout history, not generic one-size-fits-all templates. - Learn when to add weight, add sets, or change exercises with clear explanations. PROGRESS PROJECTIONS - See where your squat, bench, deadlift and other lifts are headed over the next 12 weeks. - View projected changes in strength, body weight, and other metrics based on your logged workouts. - Instantly see if you are on track for your next PR or goal date. - Adjust your training in advance instead of realizing too late that progress has stalled. RECOVERY STATUS - Know when to push heavy and when to back off before you burn out. - Track recovery using training load, rest days, recent intensity, and your own feedback. - Get early warnings when you are trending toward overtraining or under-recovering. - Reduce nagging fatigue and plateaus by balancing stress and recovery more intelligently. WORKOUT LOGGING - Log sets, reps, and weight in seconds so you can focus on lifting, not typing. - Automatically detect new PRs for 1 rep, rep ranges, and volume. - Use the built-in rest timer so you never lose track between sets. - Quickly repeat or tweak past workouts from your history. - Choose from 300+ exercises with clear names and categories, or add your own. TRAINING INTELLIGENCE - Track personal records across all lifts in one place. - Visualize progress with charts showing strength, volume, and frequency over time. - Use the weekly training heatmap to spot strong and weak training days at a glance. - See your training, recovery days, and deloads laid out on a calendar. GAMIFICATION AND MOTIVATION - Progress through a 16-level system that reflects real training effort. - Earn XP automatically for every completed workout and exercise. - Maintain streaks to build consistency and avoid falling off track. - Take on weekly challenges and unlock achievements and badges that reward long-term effort. ADVANCED ANALYTICS - See total workouts, sets, reps, and volume so you understand your true workload. - Track body measurements like weight, waist, or arm size and see clear trends over time. - Connect the dots between training volume, recovery, and results. - Export your data for your own spreadsheets, analysis, or coaching. FLEXIBLE PLANS - Use the free tier for powerful workout logging, history, and motivation tools. - Upgrade to unlock the AI coach, recovery status insights, and progress projections when you are ready. - No credit card required to start. Perfect for: - Lifters who want to see real progression over months and years, not just single workouts. - Anyone who needs structure, accountability, and feedback instead of guesswork. - Beginners who want clear guidance on what to do next and how to do it safely. Start free and turn every workout into measurable progress. Questions? support@gainmatrix.app Terms of Use: https://gainmatrix.app/terms Privacy Policy: https://gainmatrix.app/privacy

About

Surge

This interval timer app supports various workout styles like HIIT, Tabata, and boxing rounds. It offers customizable work/rest periods, round counts, and presets, with clear audio and haptic cues to guide your training without needing to watch the clock.

Highlights
  • Customizable work and rest periods
  • Adjustable round counts
  • Pre-set workout modes (HIIT, Tabata, Boxing)
  • Audio and haptic cues
  • Save custom workout presets
  • Glanceable countdown timer
Features
Read full description

Surge is a beautifully designed interval timer for HIIT, Tabata, boxing rounds, EMOM and any circuit-style workout — at home, in the gym or ringside. Pay once and it's yours forever. No subscriptions, no in-app purchases, no ads — every feature included. Set your work and rest, pick your rounds and press play — Surge calls every phase with beeps and haptics, so you train bell to bell without watching the clock. ROUNDS READY TO GO • Tabata — 20s work / 10s rest × 8 rounds • HIIT — 40s work / 20s rest × 10 rounds • Boxing — 3:00 rounds with 1:00 rest × 6 • EMOM — 60-second intervals × 10 • Stretch — 30s holds / 10s rest × 12 • Edit any built-in preset to match your training YOUR WORKOUT, YOUR RULES • Work from 5 seconds to 10 minutes, rest up to 5 minutes • 1–50 rounds, with an optional preparation countdown • Save up to 20 presets with custom names and icons • Skip a phase mid-workout; the screen stays awake to the final bell • A large, glanceable countdown with an animated progress ring BUILT RIGHT • Pay once, own it for life — the price you see is everything • No subscriptions, no in-app purchases, no upsells • No ads, ever • Megabytes, not gigabytes — no ad libraries, no analytics SDKs, nothing that isn't the app itself • No account and no data collection — your presets never leave your device • Designed for iPhone and iPad Download Surge and let every round run itself.

Screenshots

GainMatrix4 screens
Surge4 screens

Verdict

The call

The clearest difference is price: GainMatrix at Free against Surge's $2.99. GainMatrix also leads on iOS requirement (15.1 vs 18.6). On update cadence, 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

GainMatrix is free to download; Surge costs $2.99 up front. GainMatrix sells 4 in-app purchases, starting at $2.99 per month and Surge sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

GainMatrix ships an update weekly, Surge fortnightly. The most recent releases landed on October 4, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 7 level
GainMatrix versus Surge: the parameters behind the verdict, then further details
ParameterGainMatrixSurge
PriceFree — better$2.99
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyWeekly — betterFortnightly
AdsNoNo
In-app purchasesYesYes
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better18.6
Further details — not scored
Size64 MB1 MB
Age rating12+4+
DeveloperUlas UzunyaylaMatthew Avery

In-app purchases

4 purchases

GainMatrix

Subscriptions4
  • GainMatrix Pro$2.991 Month
  • GainMatrix Pro$4.991 Month
  • GainMatrix Pro$17.991 Year
Show 1 more
  • GainMatrix Pro$24.991 Year
1 purchases

Surge

One-time1
  • Surge Pro$0.99

Questions

Is GainMatrix free?
GainMatrix is free to download, with in-app purchases available.
Is Surge free?
Surge costs $2.99, and also offers in-app purchases.
Do GainMatrix or Surge have ads?
Neither GainMatrix nor Surge shows ads.
Which is updated more often, GainMatrix or Surge?
GainMatrix ships an update weekly, and Surge fortnightly. Most recently, GainMatrix was updated on October 4, 2026 and Surge on October 25, 2026.

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