Comparison

Lingo by Abbott vs Cold Sore Tracker

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

Head to head
About

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 new eating patterns, and track progress towards healthier habits.

Highlights
  • 24/7 glucose tracking
  • Personalized nutrition insights
  • Metabolism understanding
  • Habit change support
  • Glucose graph visualization
  • Lingo Count daily metric
  • Food & activity logging
Read full description

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.

About

Cold Sore Tracker

This app helps individuals manage recurring cold sores by tracking outbreaks, symptoms, triggers, and medications. It provides insights into patterns, duration, and frequency of outbreaks, aiding in proactive management. All data is stored privately on your device.

Highlights
  • Log outbreak progression
  • Record symptoms and triggers
  • Track medication use
  • Analyze outbreak duration and frequency
  • Identify common triggers
  • Visualize outbreak history
  • Export data for healthcare providers
Features
Read full description

Take Control of Your Cold Sore Management. Cold Sore Tracker is a comprehensive app for anyone who experiences recurring cold sores. It helps you understand your outbreak patterns, identify your personal triggers, and take proactive steps toward better management,, all completely free. With Cold Sore Tracker, you can: Log every outbreak from the first tingle to complete healing Record severity, location, symptoms, triggers and medication Track each stage of an outbreak as it progresses See how long your outbreaks typically last, and how often they occur Identify your most common triggers — stress, fatigue, sun exposure and more Spot seasonal patterns and see which times of year affect you most View a severity heatmap of your entire history at a glance Get a sense of when your next outbreak may be likely, based on your history Keep all your data private, stored securely on your own device and iCloud Export your data to share with a doctor or healthcare provider Understand your patterns. Cold Sore Tracker presents your history in clear, easy-to-read cards and charts, turning months of outbreaks into insights you can actually use. No paywall, just a genuine understanding of your own cold sore patterns. Take control of your cold sore management today, with Cold Sore Tracker.

Screenshots

Lingo by Abbott4 screens
Cold Sore Tracker4 screens

Verdict

The call

The clearest difference is review sentiment: Cold Sore Tracker at 100% against Lingo by Abbott's 44%. Cold Sore Tracker also leads on rating (5.0 vs 4.5) and update cadence (every 5 days vs every 2 months). Lingo by Abbott's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price 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. Cold Sore Tracker sells 1 one-off in-app purchase. Lingo by Abbott asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Cold Sore Tracker holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Lingo by Abbott has 7.9K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 44% of Lingo by Abbott's written reviews are positive against 100% of Cold Sore Tracker's.

UpkeepUpdate frequency

Lingo by Abbott ships an update every 2 months, Cold Sore Tracker every 5 days. The most recent releases landed on October 16, 2026 and September 30, 2026 respectively.

Scorecard9 real differences · 2 level
Lingo by Abbott versus Cold Sore Tracker: the parameters behind the verdict, then further details
ParameterLingo by AbbottCold Sore Tracker
PriceFreeFree
Rating4.5 (7.9K ratings)5.0 (1 ratings) — better
Positive reviews44.1% of reviews100.0% of reviews — better
Number of ratings7.9K — better1
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank#168 — better—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better18.0
Further details — not scored
Size194 MB6 MB
Age rating17+4+
DeveloperAbbottRichard Swaine

Customer experience

Lingo by Abbott

All ratings7,894 ratings
Positive86.6%
Neutral5.8%
Negative7.6%
Written reviews1,576 reviews
Positive44.1%
Neutral17.3%
Negative38.6%

Cold Sore Tracker

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

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

Cold Sore Tracker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Lingo by Abbott

No in-app purchases

1 purchases

Cold Sore Tracker

One-time1
  • Remove Ads$1.99

Questions

Is Lingo by Abbott free?
Lingo by Abbott is free to download, with no in-app purchases.
Is Cold Sore Tracker free?
Cold Sore Tracker is free to download, with in-app purchases available.
Which has better reviews, Lingo by Abbott or Cold Sore Tracker?
Cold Sore Tracker is rated higher. Lingo by Abbott averages 4.5 out of 5 from 7.9K ratings, while Cold Sore Tracker averages 5.0 from 1 ratings.
Do Lingo by Abbott or Cold Sore Tracker have ads?
Cold Sore Tracker shows ads; Lingo by Abbott does not.
Which is updated more often, Lingo by Abbott or Cold Sore Tracker?
Lingo by Abbott ships an update every 2 months, and Cold Sore Tracker every 5 days. Most recently, Lingo by Abbott was updated on October 16, 2026 and Cold Sore Tracker on September 30, 2026.

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