Comparison

nSuns 5/3/1 vs Reptor

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

Head to head
About

nSuns 5/3/1

This app is a dedicated companion for the nSuns 5/3/1 strength training program. It allows users to log lifts, track progress, and automatically calculates weight progression based on training max and AMRAP results. Customizable features and progress charts help users optimize their workouts.

Highlights
  • Log lifts and track progress
  • Automatic weight progression
  • AMRAP-driven programming
  • Customizable accessory exercises
  • Rest timer with Apple Watch support
  • Progress charts for main lifts
  • iCloud sync
Features
Read full description

The dedicated tracking companion for the nSuns 5/3/1 strength program. Log your lifts, track your progress, and let the app handle the math. Your Training Max and AMRAP results drive automatic weight progression — no spreadsheets needed. FEATURES • 4-day, 5-day, 6-day Squat and 6-day Deadlift templates • Automatic weight and rep programming based on your Training Max • AMRAP-driven progression — lift more, the app adjusts automatically • Customizable accessory exercises for each day • Rest timer with Apple Watch support • Progress charts for each main lift • iCloud sync — workouts and history across all your devices • Metric and imperial units APPLE WATCH A companion watch app keeps your rest timer and current set on your wrist. ABOUT THE PROGRAM The nSuns 5/3/1 LP program was created by reddit user /u/nSuns. For details: reddit.com/r/nSuns ABOUT THIS APP Built by a lifter, for lifters. Free to download — no paywalled core features. If you find it useful, a rating in the App Store means a lot. Contact: reddit.com/u/jonnybeegod

About

Reptor

Log workouts with pre-built strength programs and an interactive anatomy map that visualizes muscle engagement. Features automatic weight progression, rest timers, and PR tracking. Works offline and syncs with Apple Health.

Highlights
  • Pre-built strength programs
  • Interactive anatomy map
  • Automatic weight progression
  • Workout logging
  • Personal record tracking
  • Offline functionality
  • Apple Health sync
Features
Read full description

Make every session count. Reptor brings fast workout logging, structured strength programs, and clear progress tracking together in one app. LOG EVERY REP Record weights, reps, warm-ups, and rest times. Carry forward previous weights and warm-up sets, repeat a workout from history, and see notes from your last session. Log supersets, drop sets, AMRAP, effort ratings, and timed sets. FOLLOW A PLAN Browse free strength programs for different goals, schedules, and equipment. Follow one active program on Free, or multiple programs with Pro. Build your own programs and saved workouts, or import and export programs in plain text with ReptoLang — available on Free. TRAIN WITH ADAPTIVE COACHING — PRO Build a hypertrophy or powerlifting plan around your experience, schedule, equipment, and priorities. Optional workout feedback helps adapt upcoming training. Review explanations and choose whether to accept supported adjustments. Coaching is a Pro feature. SEE YOUR PROGRESS Review your complete workout history and calendar for free. Track personal records and exercise trends, explore muscle training volume, and log dated bodyweight, body fat, and body measurements. Collect achievement medals as you reach training milestones. Some advanced analytics require Pro. MAKE ROOM FOR MOBILITY Browse stretches, build routines, use hold timers, and add stretching between lifting sets. Stretching history stays separate from strength tracking. YOUR TRAINING, YOUR DATA Log workouts locally on your device. Use available import, export, and backup tools to keep your data with you. Optional iCloud sync connects supported Apple devices. Apple Health integration and Apple Watch logging help fit training into your day. Cloud features and purchases require connectivity. START FREE Reptor is free to download, with optional Pro subscriptions for adaptive coaching and additional features. See current prices and any eligible trial in the app before subscribing. Light and dark themes. Pounds or kilograms. Built-in plate and one-rep-max calculators. Practice tutorials and searchable Help when you need a hand. Privacy Policy: https://reptorlog.com/privacy Terms of Use: https://reptorlog.com/terms

Screenshots

nSuns 5/3/14 screens
Reptor4 screens

Verdict

The call

The clearest difference is ratings volume: nSuns 5/3/1 at 4.9K against Reptor's 1. On price, rating, update cadence 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. nSuns 5/3/1 sells 6 one-off in-app purchases and Reptor sells 6 in-app purchases, starting at $4.99 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 — 4.9 for nSuns 5/3/1 against 5.0 for Reptor. That said, the two scores are not equally well evidenced: nSuns 5/3/1 has 4.9K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
nSuns 5/3/1 versus Reptor: the parameters behind the verdict, then further details
ParameternSuns 5/3/1Reptor
PriceFreeFree
Rating4.9 (4.9K ratings)5.0 (1 ratings) — better
Positive reviews96.7% of reviews—
Number of ratings4.9K — better1
Update frequencyEvery 9 daysEvery 9 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, Apple WatchiPhone, Apple Watch
Requires iOS17.016.4 — better
Further details — not scored
Size8 MB71 MB
Age rating9+12+
DeveloperJonas ReichertKalon Cheong

Customer experience

nSuns 5/3/1

All ratings4,902 ratings
Positive98.7%
Neutral0.8%
Negative0.6%
Written reviews242 reviews
Positive96.7%
Neutral0.8%
Negative2.5%

Reptor

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

nSuns 5/3/1

Reported bugs

3 issues
  • Workout template not updating correctly
  • Timer issues or disappearing on app switch
  • Inconsistencies with training max updates

Requested features

5 requests
  • Ability to customize workout days
  • Option to add and track custom accessory exercises
  • Carry over accessory exercises to next cycle
  • Plate calculator or weight breakdown feature
  • Notes section for each workout

Reptor

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

nSuns 5/3/1

One-time6
  • Beer$0.99
  • Coffee$1.99
  • Protein Brownie$2.99
Show 3 more
  • Protein Shake$3.99
  • Gym Weekly Fee$4.99
  • Supporter$8.99
6 purchases

Reptor

Subscriptions4
  • Pro Monthly$4.991 Month
  • Reptor Pro Monthly7 Days trial$4.991 Month
  • Pro Annual$29.991 Year
Show 1 more
  • Reptor Pro Yearly7 Days trial$29.991 Year
One-time2
  • Pro Lifetime$59.99
  • Reptor Pro Lifetime$59.99

Questions

Is nSuns 5/3/1 free?
nSuns 5/3/1 is free to download, with in-app purchases available.
Is Reptor free?
Reptor is free to download, with in-app purchases available.
Which has better reviews, nSuns 5/3/1 or Reptor?
Reptor is rated higher. nSuns 5/3/1 averages 4.9 out of 5 from 4.9K ratings, while Reptor averages 5.0 from 1 ratings.
Do nSuns 5/3/1 or Reptor have ads?
Neither nSuns 5/3/1 nor Reptor shows ads.
Which is updated more often, nSuns 5/3/1 or Reptor?
nSuns 5/3/1 ships an update every 9 days, and Reptor every 9 days. Most recently, nSuns 5/3/1 was updated on October 22, 2026 and Reptor on October 25, 2026.

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