Comparison

Metric Lift Strength Training vs Timebirds

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

Head to head
About

Metric Lift Strength Training

This app uses your phone's camera to track barbell velocity and analyze lifting technique, offering insights previously only available with expensive hardware. It logs workouts comprehensively, monitors fatigue, and helps maximize strength gains while preventing injuries.

Highlights
  • Smart velocity tracking using phone camera
  • Advanced video analysis with bar path traces
  • Comprehensive workout logging
  • Performance insights and progression monitoring
  • Automated rest timer
  • No additional hardware required
Features
Read full description

Level up your training with Metric, the most advanced workout tracking app that combines traditional logging with revolutionary velocity-based training - no expensive hardware required. TRUSTED BY LIFTERS WORLDWIDE 1.5 million sets tracked | 100,000 downloads | Lifters and coaches in over 140 countries WHAT USERS ARE SAYING "Super simple to download and just start using. Great for getting clients and athletes to engage with their training in new ways. Can't believe this hasn't been done sooner!" - rugoody "Amazing to not have to pay thousands for a unit or even attach anything to a bar. Just click record on your camera and I can track my athletes Bar Velocity so easily." - Giannire "For not needing to buy any equipment this is a great tool. The vbt trackers go from 400 and up so for this to do what it does with nothing is amazing." - NoelpereziPhone6P "The app is brilliant. Superb for checking/tracking form and progression at the same time. I took an annual sub out after 5 days" - far.landscape Whether you're a powerlifter preparing for a meet, training to improve your athleticism on the field, or simply looking to get stronger and build muscle in the gym, Metric transforms how you train and coach. Gain insights that were previously only available to professional athletes, maximize your strength gains, and prevent injuries through proper technique and load management. Train with complete confidence as Metric's data shows your fatigue levels, recovery rates, and progression trends in real-time- helping you make smarter decisions about when to push harder and when tor regulate and recover. While traditional velocity tracking requires expensive and cumbersome external devices, strings or wearables, Metric delivers the same precise, validated measurements using just the camera on your iPhone or iPad, making actionable lifting insights accessible to everyone. CORE FEATURES SMART VELOCITY TRACKING - Track bar speed on 60+ exercises with validated accuracy - Receive audio cues when you hit specific velocity targets - Monitor fatigue through velocity loss during sets - Calculate estimated 1RM based on scientific velocity profiles - No additional hardware needed - just your phone - Record a quick set or incorporate velocity tracking into your workout flow ADVANCED VIDEO ANALYSIS - Record or import HD lifting videos - Generate detailed bar path traces for every rep - Review technique frame-by-frame - Share videos and analysis with coaches - Export videos to your camera roll COMPREHENSIVE WORKOUT LOGGING - Build, save and log your entire workout - Build and share templates to plan in advance - Access 150+ pre-loaded exercises - Create custom exercises - Track sets, reps, weight, and RPE - Automated rest timer PERFORMANCE INSIGHTS - Monitor strength progression - Track power output trends - Analyze ROM consistency - View velocity trends over time - Track estimated 1RM - load-velocity and load-power profiling - Real-time RPE charts and RPE-1RM estimations PERFECT FOR - Powerlifters, Strongman, and Olympic lifters - CrossFit and functional training - Bodybuilders and hypertrophy training - Strength and conditioning coaches - Performance-focused athletes - Personal trainers and online coaches - Any lifter wanting data-driven results GETTING STARTED IS SIMPLE & FREE 1. Select your exercise 2. Position your phone to capture your lift from the side 3. Record your set 4. Get instant velocity and technique analysis 5. Track single sets or complete entire workouts FREE, PRO, & COACH OPTIONS Record sets and workouts for free. Upgrade to Pro for advanced analytics, template builder, real-time feedback, and in-app video storage. Pro Coach plans also available for logging athlete workouts Join thousands of lifters using Metric to train smarter and maximize their gains. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Timebirds

Control and customize your Timebirds timers with this app. Save favorite settings, sync multiple timers, and receive over-the-air updates for the latest features. Future integration with third-party apps is planned.

Highlights
  • Control Timebirds products
  • Customize settings
  • Save favorite workout settings
  • Sync multiple timers
  • Independent timer operation
  • Over-the-air updates
Features
Read full description

Pair your Timebirds products to your device and connects to Timebirds's new ecosystem which provides a number of benefits: (1) The flexibility to control your Timebirds unit with either the Timerbirds app or the user-friendly Timebirds remote. (2) Customize multiple settings to tailor your unit to your specific needs. (3) Save and easily recall your favorite workout settings. (4) Synch multiple timers to start and run at the same time. (5) Make a remote control linked specifically to one timer, enabling independent operation of each timer even when they are in the same space. Receive over-the-air updates to keep your timer up to date with the latest functionality and innovations. (6) Connect your unit to third-party apps (coming soon). Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://timebirds.com/policies/privacy-policy

Screenshots

Metric Lift Strength Training4 screens
Timebirds4 screens

Verdict

The call

The clearest difference is rating: Timebirds at 5.0 against Metric Lift Strength Training's 4.0. Timebirds also leads on monetization model (free vs free with in-app purchases). Metric Lift Strength Training's advantage is ratings volume (45 vs 1) and update cadence (every 9 days vs every 3 weeks). On price, review sentiment, ads and in-app purchases 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. Metric Lift Strength Training sells 10 in-app purchases, starting at $10.99 per month and Timebirds sells 1 in-app purchase, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Timebirds holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Metric Lift Strength Training has 45 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 53% of Metric Lift Strength Training's written reviews are positive against 50% of Timebirds's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Metric Lift Strength Training ships an update every 9 days, Timebirds every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
Metric Lift Strength Training versus Timebirds: the parameters behind the verdict, then further details
ParameterMetric Lift Strength TrainingTimebirds
PriceFreeFree
Rating4.0 (45 ratings)5.0 (1 ratings) — better
Positive reviews53.1% of reviews — better50.0% of reviews
Number of ratings45 — better1
Update frequencyEvery 9 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPad
Requires iOS18.1 — better18.6
Further details — not scored
Size181 MB21 MB
Age rating4+4+
DeveloperCore Advantage Pty LtdTimebirds Australia Pty Ltd

Customer experience

Metric Lift Strength Training

All ratings45 ratings
Positive68.9%
Neutral11.1%
Negative20.0%
Written reviews98 reviews
Positive53.1%
Neutral11.2%
Negative35.7%

Timebirds

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

10 purchases

Metric Lift Strength Training

Subscriptions10
  • Pro - Monthly$10.991 Month
  • Pro - Monthly (Legacy)$12.991 Month
  • Metric Pro - Monthly (Legacy)$12.991 Month
Show 7 more
  • Pro Family - Monthly$18.991 Month
  • Pro Coach +5 - Monthly$19.991 Month
  • Pro Coach +20 - Monthly$34.991 Month
  • Pro - Annual7 Days trial$79.991 Year
  • Metric Pro (Legacy)14 Days trial$79.991 Year
  • Metric Pro - Annual (Legacy)$94.991 Year
  • Pro Coach +5 - Annual$119.991 Year
1 purchases

Timebirds

Subscriptions1
  • Timebirds Pro7 Days trial$6.991 Month

Questions

Is Metric Lift Strength Training free?
Metric Lift Strength Training is free to download, with in-app purchases available.
Is Timebirds free?
Timebirds is free to download, with in-app purchases available.
Which has better reviews, Metric Lift Strength Training or Timebirds?
Timebirds is rated higher. Metric Lift Strength Training averages 4.0 out of 5 from 45 ratings, while Timebirds averages 5.0 from 1 ratings.
Do Metric Lift Strength Training or Timebirds have ads?
Neither Metric Lift Strength Training nor Timebirds shows ads.
Which is updated more often, Metric Lift Strength Training or Timebirds?
Metric Lift Strength Training ships an update every 9 days, and Timebirds every 3 weeks. Most recently, Metric Lift Strength Training was updated on November 3, 2026 and Timebirds on November 4, 2026.

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