# Lingo by Abbott vs Stelo by Dexcom

The clearest difference is rating: Lingo by Abbott at 4.5 against Stelo by Dexcom's 2.5. Lingo by Abbott also leads on review sentiment (43% vs 18%) and ratings volume (6K vs 567). On price, update cadence, ads and in-app purchases there is nothing between them.

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 2.5. That said, the two scores are not equally well evidenced: Lingo by Abbott has 6K ratings behind it against 567, so its average is the more settled of the two. Written reviews point the same way: 43% of Lingo by Abbott's written reviews are positive against 18% of Stelo by Dexcom's.

Lingo by Abbott ships an update every 2 months, Stelo by Dexcom every 6 weeks. Both last shipped on September 24, 2026.

## The numbers

| Metric | Lingo by Abbott | Stelo by Dexcom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (6K ratings)](https://appshunter.io/ios/app/lingo-by-abbott/id1670445335/reviews)** | [2.5 (567 ratings)](https://appshunter.io/ios/app/stelo-by-dexcom/id6475610406/reviews) |
| Number of ratings | **6K** | 567 |
| Positive reviews | **43.5% of reviews** | 18.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Best chart rank | #154 | **#133** |
| Size | 194 MB | 311 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 17+ | 17+ |
| Developer | [Abbott](https://appshunter.io/developer/402314324) | [Dexcom](https://appshunter.io/developer/457035738) |

## What reviewers say

### Lingo by Abbott

[App page](https://appshunter.io/ios/app/lingo-by-abbott/id1670445335)

**Currently charting:** #154 Top Free · Health & Fitness (US App Store)

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Real-time glucose tracking
- 📊 Helpful data insights
- 🌟 Easy setup and use
- 🔍 Valuable for metabolic health
- 💪 Motivates lifestyle changes

**What reviewers complain about**

- 🐛 Frequent app crashes and freezes
- 🔋 High battery consumption
- 🔍 Limited data export and integration
- 🤔 Confusing 'Lingo Count' metric
- ⏱️ Delayed glucose readings

**Reported bugs**

- Sensor connectivity issues
- Inaccurate glucose readings
- Data sync problems and data loss
- Inconsistent app performance after updates

**Requested features**

- Apple Health integration
- Apple Watch app and complications
- More detailed data analysis and visualization
- Customizable glucose level alerts
- Improved food logging and tracking


### Stelo by Dexcom

[App page](https://appshunter.io/ios/app/stelo-by-dexcom/id6475610406)

**Currently charting:** #133 Top Free · Health & Fitness (US App Store)

Easily track your glucose levels 24/7 without fingersticks or a prescription. Gain personalized insights to understand how diet and exercise impact your health. This app empowers you to build healthier habits and take control of your well-being.

**Highlights:** 24/7 glucose tracking, No fingersticks required, Personalized health insights, Diet and exercise personalization, Form healthy habits, No prescription needed

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy sensor setup
- 👍 Intuitive app interface
- 🔍 Helpful for understanding glucose trends
- 💡 Integrates with Apple Health

**What reviewers complain about**

- 🐛 Sensor accuracy issues
- 🔍 Limited data history and analysis
- 🤖 Lack of human customer support
- 🔍 Inability to calibrate sensor
- 🔍 Inconsistent Apple Watch integration

**Reported bugs**

- Sensor session ending prematurely
- Inconsistent data syncing with Apple Health
- App freezing and crashing issues

**Requested features**

- Ability to view and export historical glucose data
- Option to customize glucose target ranges
- Integration with more fitness/nutrition apps
- Improved Apple Watch support with complications
- Enhanced meal and activity tracking features


## Frequently asked questions

### Is Lingo by Abbott free?

Lingo by Abbott is free to download, with no in-app purchases.

### Is Stelo by Dexcom free?

Stelo by Dexcom is free to download, with no in-app purchases.

### Which has better reviews, Lingo by Abbott or Stelo by Dexcom?

Lingo by Abbott is rated higher. Lingo by Abbott averages 4.5 out of 5 from 6K ratings, while Stelo by Dexcom averages 2.5 from 567 ratings.

### Do Lingo by Abbott or Stelo by Dexcom have ads?

Neither Lingo by Abbott nor Stelo by Dexcom shows ads.

### Which is updated more often, Lingo by Abbott or Stelo by Dexcom?

Lingo by Abbott ships an update every 2 months, and Stelo by Dexcom every 6 weeks. Most recently, Lingo by Abbott was updated on September 24, 2026 and Stelo by Dexcom on September 24, 2026.

### Which is more popular, Lingo by Abbott or Stelo by Dexcom?

Lingo by Abbott currently peaks at #154 in the App Store charts, and Stelo by Dexcom at #133. Chart position reflects recent download velocity rather than total install base.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*