Comparison

Simple Workout Tracker vs Gainflow

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

Head to head
About

Simple Workout Tracker

Log your gym sets and track personal records without needing to pre-plan workouts. This app organizes your progress with charts and allows for custom routines. Enjoy 100% offline functionality with all data stored locally.

Highlights
  • Log sets without pre-planned workouts
  • Automatic personal record tracking
  • Progress charts for strength, volume, endurance
  • Customizable workout routines
  • 100% offline functionality
  • Data export/import via CSV
Features
Read full description

Exercise-First, Not Program-First Pick an exercise, log your sets, move on. No need to create a full workout plan before you can start tracking. Arnie organizes everything for you — all sets logged in a day are automatically grouped into a workout summary. Personal Records & Progress Charts Arnie tracks your PRs across strength, volume, and endurance automatically. Watch your progress over weeks, months, or years with per-exercise charts and estimated 1RM. Custom Routines Save your go-to exercise combinations and load them with one tap. Perfect for push/pull/legs or any split you prefer. 100% Offline. 100% Yours. No account required. No internet needed. All data lives on your device. Export or import your full history as CSV anytime. Perfect for: • Gym-goers who adapt on the fly based on what's available • People who want progress tracking without program management • Personal trainers logging workouts for multiple clients • Anyone who just wants to record sets and see their gains Premium: • Unlimited profiles — ideal for personal trainers • Unlimited exercises per muscle group • Unlimited workout entries From the Developer Arnie is a one-person hobby project. I built it because I couldn't find a gym tracker that just let me log exercises without overthinking. Every feature comes from real gym sessions. If you have feedback or ideas, I'd love to hear from you — leave a review or reach out. Privacy policy: https://arnieapp.tilda.ws/privacy-policy Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Gainflow

This app helps you log gym workouts, track body analytics, and analyze your lifting form with AI. It offers unlimited routine creation and a large exercise database for free.

Highlights
  • Unlimited workout logging
  • AI video form analysis
  • Body analytics tracking
  • Customizable exercise database
  • Rest timer with audio alerts
  • Community features
Features
Read full description

One log for the gym and the road. Gainflow tracks the barbell and the pavement in the same app. Log your sets, then head out for a run, ride or walk with GPS. No ads, ever. Unlimited routines and custom exercises, free. STRENGTH TRAINING • Log sets in seconds — normal, warm-up, drop set, to failure, supersets • 300+ exercises plus your own custom movements • Unlimited plans and routines. Your training history is never behind a paywall • Rest timer with sound alerts • Previous values on every set, so progressive overload takes one glance • Personal records for 1RM, set volume, reps, time and distance • Charts for volume, estimated 1RM, reps and muscle distribution NEW — GPS ACTIVITIES • Track runs, rides and walks with live distance, pace, speed and elevation • Keeps recording with the screen locked and the app in the background • Per-kilometre splits and a pace chart after every session • Draw a route on the map, or let AI generate loops from your doorstep • Follow your planned route live while you move • Privacy zone hides your exact start and finish before anything is shared • Works offline — sessions sync as soon as you have signal NEW — APPLE HEALTH • Read steps, active energy, sleep, resting heart rate and body weight • Write finished strength workouts and body measurements back to Health • Reading and writing are separate switches, both off until you turn them on • Health data is never used for advertising or analytics AI COACH • Chat with an AI coach about training and diet — type or hold to speak • Video form analysis: record a set, get feedback on your technique • Weekly reviews and insights on plateaus, low volume and left/right imbalance • Generate a weekly plan from your goal, experience level and equipment BODY AND HABITS • Body weight, body fat and circumference measurements with photos and charts • Supplements: scan the barcode, track what is left, get reminders • Calendar with planned workouts, week streaks and an active-day heatmap COMMUNITY • Follow friends, see their sessions, copy their routines • Private profile and per-post visibility — you decide what is public COMING FROM ANOTHER APP? Import your history from Hevy, Strong or a Gainflow CSV in a few taps, and export it again whenever you want. Your data stays yours. FREE AND PAID Workout logging, unlimited routines, the exercise database, GPS tracking, Health sync, measurements and supplements are free. Gainflow Plus and Gainflow Max raise the pool for AI features — form analysis, coach chat, plan generation and route generation. Metric and imperial. Light and dark. 16 languages. No ads, anywhere. Privacy Policy: https://www.gainflow.app/privacy-policy Terms of Service: https://www.gainflow.app/terms-of-service Support: dawid@gainflow.app

Screenshots

Simple Workout Tracker3 screens
Gainflow4 screens

Verdict

The call

The clearest difference is update cadence: Simple Workout Tracker at every 6 days against Gainflow's every 2 weeks. Gainflow's advantage is iOS requirement (16.4 vs 18.0). On price, rating, ratings volume and ads 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. Simple Workout Tracker sells 3 in-app purchases, starting at $1.99 per month and Gainflow sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Simple Workout Tracker against 5.0 for Gainflow. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

UpkeepUpdate frequency

Simple Workout Tracker ships an update every 6 days, Gainflow every 2 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
Simple Workout Tracker versus Gainflow: the parameters behind the verdict, then further details
ParameterSimple Workout TrackerGainflow
PriceFreeFree
Rating5.0 (3 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings3 — better2
Update frequencyEvery 6 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS18.016.4 — better
Further details — not scored
Size2 MB93 MB
Age rating4+4+
DeveloperYegor ChsherbatykhDawid Zareba

Customer experience

Simple Workout Tracker

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Gainflow

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Simple Workout Tracker

Subscriptions2
  • Monthly subscription3 Days trial$1.991 Month
  • Yearly subscription3 Days trial$8.991 Year
One-time1
  • Lifetime Access$12.99
2 purchases

Gainflow

Subscriptions2
  • Gainflow Plus$2.991 Month
  • Gainflow Max$7.991 Month

Questions

Is Simple Workout Tracker free?
Simple Workout Tracker is free to download, with in-app purchases available.
Is Gainflow free?
Gainflow is free to download, with in-app purchases available.
Which has better reviews, Simple Workout Tracker or Gainflow?
Simple Workout Tracker and Gainflow are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.
Do Simple Workout Tracker or Gainflow have ads?
Neither Simple Workout Tracker nor Gainflow shows ads.
Which is updated more often, Simple Workout Tracker or Gainflow?
Simple Workout Tracker ships an update every 6 days, and Gainflow every 2 weeks. Most recently, Simple Workout Tracker was updated on November 4, 2026 and Gainflow on November 5, 2026.

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