Comparison

GymBook vs FerroVox

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

Head to head
About

GymBook

Log workouts, track body measurements, and visualize your fitness progress over time. This app focuses on monitoring your efforts and celebrating achievements to keep you motivated and consistent.

Highlights
  • Weekly workout tracking (weights, reps, sets)
  • Body measurements and progress photos
  • Progress visualization with charts and lists
  • Data stays on device for privacy
  • Simple, distraction-free interface
Features
Read full description

GymBook is a simple workout tracker for people who already know how they want to train. If you already have a training program, know your exercises, and want a clean way to track progress, GymBook is built for you. Most fitness apps are overloaded with features you do not need. GymBook keeps things simple and focused: - Log your workouts quickly - Track weights, reps, and sets - Follow your own training program - Monitor body measurements over time - See your progress clearly GymBook is made for lifters who do not want unnecessary exercise videos, confusing AI-generated plans, or bloated interfaces. Use GymBook to: - Build and organize your workout program - Track exercise performance - Record training data without distractions - Monitor strength progress over time - Log body measurements in one place - Stay consistent with a clean, functional experience Whether your goal is building muscle, getting stronger, or simply training consistently, GymBook helps you stay focused on what matters. Simple. Functional. Useful.

About

FerroVox

Log your workouts using your voice with this private, on-device tracker. Customize your gym, track every machine variation, and visualize your training with a muscle group heat map. Includes a plate math calculator and Apple Watch integration for hands-free logging.

Highlights
  • Voice logging
  • Custom gyms
  • Muscle group heat map
  • Plate math calculator
  • Apple Watch companion
  • Data export
Features
Read full description

Last set hit you like a stun grenade? • Voice Logging. Offline, on-device, private. Member of multiple gyms with different equipment? • Custom Gyms with your specific bars, racks, and machines. Different machines and variations getting lumped together? • Track every machine and variation separately. Each variation has significant differences. Ensure progressive overload. Not sure what to add or cut from your split? • Muscle Group Heat Map. See what's overworked and what's neglected. Need to know what weight to load next? • Quick set history on every exercise. Don't like doing math in public? • Plate Math Calculator. Tells you what to grab. Want a hands-free lift tracker? • Apple Watch companion. Voice or quick-tap from your wrist. We cover the basics too: • Workout routines • Drop set logging • Timed exercise logging (planks, dead hangs, stretches) • Share gyms with other lifters • iCloud backup, 100% private to you • "Big Three" tracking (Squat, Bench, Deadlift) • Consistency heat map with opacity tied to volume lifted that day • Data export so you can share with your trainer or analyze on your own • Estimated 1RM with progression charts • Personal record detection • Rest timer with configurable defaults • Dynamic Island integration during workouts • 80+ built-in exercises with fuzzy matching • Manual entry with gym-aware exercise picker • Light and dark mode • Left-handed mode • Home screen widget One price. $14.99. No subscriptions, no monthly fees. You keep it forever.

Screenshots

GymBook4 screens
FerroVox4 screens

Verdict

The call

The clearest difference is in-app purchases: GymBook at none against FerroVox's 1. On price, update cadence, ads 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. FerroVox sells 1 one-off in-app purchase. GymBook asks for nothing beyond the download.

UpkeepUpdate frequency

GymBook ships an update every 2 weeks, FerroVox every 3 weeks. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

Scorecard2 real differences · 8 level
GymBook versus FerroVox: the parameters behind the verdict, then further details
ParameterGymBookFerroVox
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings—2 — better
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterPaid
DevicesiPhone, iPad — betteriPhone
Requires iOS17.617.0 — better
Further details — not scored
Size4 MB9 MB
Age rating4+4+
DeveloperMetehan CANPOLATThomas Hoffman

Customer experience

GymBook

Written reviews10 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

FerroVox

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

In-app purchases

None

GymBook

No in-app purchases

1 purchases

FerroVox

One-time1
  • Unlock FerroVox$14.99

Questions

Is GymBook free?
GymBook is free to download, with no in-app purchases.
Is FerroVox free?
FerroVox is free to download, with in-app purchases available.
Do GymBook or FerroVox have ads?
Neither GymBook nor FerroVox shows ads.
Which is updated more often, GymBook or FerroVox?
GymBook ships an update every 2 weeks, and FerroVox every 3 weeks. Most recently, GymBook was updated on October 5, 2026 and FerroVox on September 30, 2026.

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