# Stelo by Dexcom vs BLU Coach

The clearest difference is chart position: Stelo by Dexcom at #125 against BLU Coach's unranked. BLU Coach's advantage is device support (4 vs 2) and iOS requirement (15.5 vs 18.6). 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.

Stelo by Dexcom ships an update every 6 weeks, BLU Coach every 5 weeks. The most recent releases landed on September 25, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Stelo by Dexcom | BLU Coach |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (567 ratings)](https://appshunter.io/ios/app/stelo-by-dexcom/id6475610406/reviews)** | — |
| Number of ratings | **567** | — |
| Positive reviews | 18.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free | — |
| Best chart rank | **#125** | — |
| Size | 311 MB | 159 MB |
| Requires iOS | 18.6 | **15.5** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [Dexcom](https://appshunter.io/developer/457035738) | [THRIVEWELL MEDICAL, LLC](https://appshunter.io/developer/1812477755) |

## What reviewers say

### Stelo by Dexcom

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

**Currently charting:** #125 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


### BLU Coach

[App page](https://appshunter.io/ios/app/blu-coach/id6746503431)

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Stelo by Dexcom free?

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

### Is BLU Coach free?

BLU Coach is free to download, with no in-app purchases.

### Do Stelo by Dexcom or BLU Coach have ads?

Neither Stelo by Dexcom nor BLU Coach shows ads.

### Which is updated more often, Stelo by Dexcom or BLU Coach?

Stelo by Dexcom ships an update every 6 weeks, and BLU Coach every 5 weeks. Most recently, Stelo by Dexcom was updated on September 25, 2026 and BLU Coach on September 19, 2026.

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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.*