Gym Time vs SigmaLifting
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gym Time
Easily log your gym sessions and monitor your progress. This app offers flexible tracking, automatic exercise pre-filling, and visual progress comparisons to keep you motivated. It includes a max rep calculator and a clean Material Design interface.
- Workout logging
- Progress comparison
- Automatic exercise pre-fill
- Max rep calculator
- Material Design
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Gym Time allows you to easily keep track of all your workouts. Highly flexible to the way you workout. At a glance compare an exercise to the last time to see your progress and stay motivated! • Workout summaries • New exercises auto pre-fill from your last exercise • At a glance progress • Max rep calculator • Time calculator. Hours, minutes, seconds • Material Design
SigmaLifting
This app streamlines powerlifting program design by eliminating spreadsheet reliance. It allows for quick setup of percentage-based prescriptions, RPE targets, and deloads, with features for reusable templates and instant updates. Train offline with all data stored locally.
- Percentage-based weight programming
- RPE target tracking
- Automatic deload calculations
- Reusable training templates
- Offline functionality
- Export to spreadsheet/JSON
- Variable logging options
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STOP FIGHTING SPREADSHEETS. START TRAINING. SigmaLifting is a purpose-built programming app for powerlifting. It helps you set up percentage-based prescriptions, RPE targets, backoff sets, fatigue drops, and deloads in minutes—without the fragility of formulas or the hassle of spreadsheet upkeep. PROGRAM ONCE, RUN FOREVER Build reusable templates and run them again anytime with clean, cycle-by-cycle tracking. REAL PROGRAMMING LOGIC, NO SPREADSHEET WORKAROUNDS Percentages, 1RM anchoring, backoff sets, fatigue drops, and straightforward deloads are built in. No cell references, hidden formulas, or broken links. INSTANT UPDATES Adjust a 1RM, change a percentage, or refine your plan and see your prescriptions update immediately. 100% OFFLINE. NO ACCOUNT REQUIRED. Your data stays on your device. No cloud, no login. EXPORT AND SHARE WITH CONFIDENCE And yes, you can export everything as clear, readable spreadsheets (XLSX) or JSON anytime—and import them back. Share programs with training partners and keep results identical across devices. KEY FEATURES • Blocks & periodization — structure multi-week training phases • Set groups — program identical sets efficiently • Percentage-based weights — link prescriptions to squat, bench, or deadlift 1RM • 1RM anchoring — tie accessories to main lift maxes • Backoff sets — auto-calculate from prior set performance • Fatigue drops — reduce load when RPE exceeds your threshold • Simple deloads — final week auto-calculates from the previous week • Variable logging — track weight, reps, RPE, or your preferred combination • Auto-suggested weights — recommendations based on 1RM, reps, and target RPE DESIGNED FOR MOBILE Spreadsheets weren't made for phones. SigmaLifting is. You get the same programming depth with a fast, clean interface that fits how you actually train. WHO IT'S FOR Powerlifters, strength athletes, and coaches who build plans with percentages, RPE, or both. If you’ve ever maintained a training block in Sheets and wished it felt simpler and more reliable, SigmaLifting is built for you.
Screenshots
Verdict
The clearest difference is ratings volume: Gym Time at 6 against SigmaLifting's 2. On price, rating, review sentiment and update cadence 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Gym Time against 5.0 for SigmaLifting. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Gym Time ships an update every 3 months, SigmaLifting every 2 months. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.
| Parameter | Gym Time | SigmaLifting |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) | 5.0 (2 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 6 — better | 2 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 32 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Omar Wheatley | Sigmalifting LLC |
Customer experience
Gym Time
SigmaLifting
In-app purchases
Gym Time
No in-app purchases
SigmaLifting
No in-app purchases









