Comparison

Workout Data vs FerroVox

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

Head to head
About

Workout Data

Features
Read full description

Workout Data is an app that allows you to view time in heart rate zones, total distance and total time for your workouts that sync with the Apple Workout and Health Apps. You can select to view this data by month, week or day and filter by specific activity types and date ranges.

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

Workout Data4 screens
FerroVox4 screens

Verdict

The call

The clearest difference is in-app purchases: Workout Data at none against FerroVox's 1. Workout Data also leads on device support (3 vs 1). FerroVox's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads and iOS requirement 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. Workout Data asks for nothing beyond the download.

UpkeepUpdate frequency

Workout Data ships an update every 3 months, FerroVox every 3 weeks. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

Scorecard3 real differences · 6 level
Workout Data versus FerroVox: the parameters behind the verdict, then further details
ParameterWorkout DataFerroVox
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Paid
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size8 MB9 MB
Age rating4+4+
DeveloperPiryon Enterprises LLCThomas Hoffman

In-app purchases

None

Workout Data

No in-app purchases

1 purchases

FerroVox

One-time1
  • Unlock FerroVox$14.99

Questions

Is Workout Data free?
Workout Data is free to download, with no in-app purchases.
Is FerroVox free?
FerroVox is free to download, with in-app purchases available.
Do Workout Data or FerroVox have ads?
Neither Workout Data nor FerroVox shows ads.
Which is updated more often, Workout Data or FerroVox?
Workout Data ships an update every 3 months, and FerroVox every 3 weeks. Most recently, Workout Data was updated on October 11, 2026 and FerroVox on September 30, 2026.

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