TrackFit vs Lingo by Abbott
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TrackFit
This app connects to Bluetooth body fat scales to track various health metrics like weight, BMI, and muscle mass. It syncs your fitness data to Apple HealthKit for comprehensive health monitoring.
- Bluetooth 4.0 scale connection
- Track weight, BMI, muscle, water, protein, visceral fat, bone mass
- View physical health indicators
- Integrates with HealthKit
- Syncs fitness results to Apple Health
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TrackFit connects your iOS device to a Bluetooth-enabled body fat scale via Bluetooth 4.0, allowing you to view physical health indicators (eg, weight, BMI, muscle, water, protein, visceral fat, bone mass, etc.) through the app. TrackFit integrates HealthKit to sync your fitness results to the Apple HealthKit app. Before using this feature, you will be prompted to authorize and support iPhone 4S and above.
Lingo by Abbott
This system tracks your glucose 24/7 to provide real-time insights into your body's response to food and activities. It helps you understand your metabolism, learn personalized eating habits, and monitor progress towards your health goals.
- Real-time glucose tracking
- Personalized food insights
- Metabolism understanding
- Habit building challenges
- Daily glucose exposure score
- Food and activity logging
- Progress reporting
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What, when, and how you eat has a big impact on your body. It’s all connected. And it’s influenced by your personal glucose patterns. See for yourself in real time, with Lingo — a science-backed system designed to power healthy habit change. Glucose is a powerful signal reflecting your body’s unique response to food. The Lingo Biosensor and App tracks your glucose 24/7, translating the data into insights you can use to optimize your nutrition, build new habits, and improve your metabolic health. Know your body in a new way. Rooted in decades of research and made by Abbott — a global leader in continuous glucose monitoring (CGM) technology‡ — the Lingo Biosensor streams glucose data directly to your phone, so you can see the impact of what, when, and how you eat. The Lingo app offers personal insights about which foods work for your body. Armed with data and insights, you can make diet and lifestyle choices that support your health goals. Fad diets don’t work. Science does. - UNDERSTAND YOUR METABOLISM: See your personal glucose response to different foods and activities. - LEARN NEW WAYS OF EATING: Discover which foods work for you and what to prioritize. Every person is different. Insights from Lingo help you know your body in a new way. - SEE YOUR PROGRESS: See the impact of your new habits add up over time. Lingo provides daily, weekly, and monthly snapshots to keep you on track. A closer look at the features and benefits: - Glucose graph — See your glucose graph update throughout the day based on continuous readings from your biosensor. - Lingo Count — This is your glucose exposure translated into one dynamic daily number. It’s simple. It’s actionable. It’s your target to stay within each day. - Food & activity logging — Log meals in seconds by taking or uploading a photo, or search from a large food database. Every meal you log now includes a nutrition breakdown — like protein, carbs, and fat — alongside your glucose data. Sync with Apple Health® to auto-log activity and see your glucose data†† in Apple Health. - Personal insights — Weekly progress reports come with personal recommendations based on the meals and activity you log and how they impact your glucose. - Put your habits to the test — Test new habits with science-backed challenges. Find what fits your lifestyle and start to build your healthiest routines. - Export glucose data — Download your glucose data to easily share it with your healthcare provider. ‡ Data on file, Abbott Diabetes Care, Inc. Based on the number of users worldwide for the FreeStyle Libre portfolio compared to the number of users for other leading personal use sensor-based glucose monitoring systems. †† Lingo does not measure or send blood glucose data to any health apps. Lingo sends glucose data measured via interstitial fluid to health apps. The Lingo Glucose System is for users 18 years and older not on insulin. It is NOT intended for diagnosis of diseases, including diabetes. Individual responses may vary. © 2026 Abbott. All rights reserved. The biosensor shape and appearance, Lingo, and related brand marks are marks and/or designs of the Abbott group of companies in various territories. Other marks are the property of their respective owners. The product images are representative only.
Screenshots
Verdict
The clearest difference is rating: Lingo by Abbott at 4.5 against TrackFit's 2.4. Lingo by Abbott also leads on ratings volume (8.4K vs 96) and review sentiment (44% vs 26%). TrackFit's advantage is iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and monetization model 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.
Lingo by Abbott holds the better App Store score, 4.5 against 2.4. That said, the two scores are not equally well evidenced: Lingo by Abbott has 8.4K ratings behind it against 96, so its average is the more settled of the two. Written reviews point the same way: 26% of TrackFit's written reviews are positive against 44% of Lingo by Abbott's.
TrackFit ships an update every 5 months, Lingo by Abbott every 2 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.
| Parameter | TrackFit | Lingo by Abbott |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (96 ratings) | 4.5 (8.4K ratings) — better |
| Positive reviews | 25.6% of reviews | 44.2% of reviews — better |
| Number of ratings | 96 | 8.4K — better |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | — | #151 — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 31 MB | 191 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenzhen Elink Things Co., Ltd | Abbott |
Customer experience
TrackFit
Lingo by Abbott
User reviews
TrackFit
From 96 App Store ratingsWhat we love
- 👍 Works with old scales
- 👍 Simple interface
- 👍 Syncs to Apple Health
- 👍 Free to use
- 👍 Good for basic weight tracking
Room to improve
- 🐛 Sync issues with scales
- 🐛 Inaccurate body composition metrics
- 🐛 Bluetooth connection problems
- 🐛 Password reset issues
- 🐛 App no longer updated
Lingo by Abbott
From 8.4K App Store ratingsWhat we love
- 🚀 Real-time glucose tracking
- 📊 Helpful data insights
- 🌟 Easy setup and use
- 🔍 Valuable for metabolic health
- 💪 Motivates lifestyle changes
Room to improve
- 🐛 Frequent app crashes and freezes
- 🔋 High battery consumption
- 🔍 Limited data export and integration
- 🤔 Confusing 'Lingo Count' metric
- ⏱️ Delayed glucose readings
Bugs and requests
TrackFit
Reported bugs
18 issues- Bluetooth not recognized
- App says Bluetooth is off when it's on
- Cannot connect to scale
- App not syncing with Fitbit
- App not syncing with Apple Health
Show 13 moreShow fewer
- App not saving data
- App not displaying weight
- App not recording all stats
- App showing incorrect metrics (age, fat percentage)
- App crashing or shutting down
- App not remembering login/password
- App not allowing password reset
- App not detecting scale
- App showing wrong server info
- App not updating with new weigh-ins
- App not calculating values
- Profile pictures deleting themselves
- App showing incorrect weight units (lbs vs kg)
Requested features
6 requests- Add a notes section for daily tracking
- Bring back the old app version
- Fix the protein metric calculation
- Allow users to change date
- Improve password recovery process
Show 1 moreShow fewer
- Ensure consistent unit of measurement
Lingo by Abbott
Reported bugs
4 issues- Sensor connectivity issues
- Inaccurate glucose readings
- Data sync problems and data loss
- Inconsistent app performance after updates
Requested features
5 requests- Apple Health integration
- Apple Watch app and complications
- More detailed data analysis and visualization
- Customizable glucose level alerts
- Improved food logging and tracking
In-app purchases
TrackFit
No in-app purchases
Lingo by Abbott
No in-app purchases









