# BlueLoop vs Sugarmate by Tandem

The clearest difference is rating: Sugarmate by Tandem at 4.7 against BlueLoop's 4.0. Sugarmate by Tandem also leads on ratings volume (15K vs 24). BlueLoop's advantage is update cadence (every 9 days vs every 6 weeks) and review sentiment (65% vs 51%). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sugarmate by Tandem holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Sugarmate by Tandem has 15K ratings behind it against 24, so its average is the more settled of the two. Written reviews complicate that: 65% of BlueLoop's written reviews are positive against 51% of Sugarmate by Tandem's, so the app with the better star average is not the one people write more warmly about.

BlueLoop ships an update every 9 days, Sugarmate by Tandem every 6 weeks. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | BlueLoop | Sugarmate by Tandem |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (24 ratings)](https://appshunter.io/ios/app/blueloop/id457845904/reviews) | **[4.7 (15K ratings)](https://appshunter.io/ios/app/sugarmate-by-tandem/id1111093108/reviews)** |
| Number of ratings | 24 | **15K** |
| Positive reviews | **64.7% of reviews** | 51.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 22 MB | 51 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Children's Hospital of Wisconsin, Inc.](https://appshunter.io/developer/649653481) | [Tandem Diabetes Care, Inc.](https://appshunter.io/developer/955568376) |

## What reviewers say

### BlueLoop

[App page](https://appshunter.io/ios/app/blueloop/id457845904)

This app facilitates real-time logging and sharing of diabetes information between children, caregivers, and healthcare providers. It offers an insulin calculator for consistent dosing and detailed reports for clinicians, providing peace of mind and improving care coordination.

**Highlights:** Real-time diabetes data logging, Share information via email/text, Online clinician portal, Insulin calculator, Dosing consistency, Clinical outcome reports

**Features:** macOS Compatibility

**In-app purchases:** none


### Sugarmate by Tandem

[App page](https://appshunter.io/ios/app/sugarmate-by-tandem/id1111093108)

This app helps individuals manage diabetes by providing tools to maximize continuous glucose monitor (CGM) data. It offers enhanced visualizations, a digital diary for logging trends, and customizable alerts. Data can also be shared with loved ones.

**Highlights:** Enhanced CGM data visualization, Digital diary for logging trends, Customizable tools for alerts, Data sharing with loved ones

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Comprehensive diabetes management
- 📊 Detailed data analysis and reporting
- 📞 Urgent low blood sugar alerts and phone calls
- 🔗 Seamless integration with Dexcom and Apple Watch
- 👍 User-friendly and intuitive interface

**What reviewers complain about**

- 🐛 Frequent app crashes and glitches
- 🔁 Inconsistent data sync and update issues
- 🕰️ Slow response times and lags
- 🔒 Concerns about data privacy and security
- 🌐 Limited functionality for non-US users

**Reported bugs**

- Inability to change time ranges for data insights
- Inconsistent display of carb and insulin data
- Unexpected app logout and login issues
- Unreliable Apple Watch connectivity and syncing

**Requested features**

- Customizable high blood sugar alerts
- Ability to add custom foods and medications
- More flexible graph and data visualization options
- Enhanced Apple Watch app and complications
- Support for additional CGM devices (Libre, etc.)


## Frequently asked questions

### Is BlueLoop free?

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

### Is Sugarmate by Tandem free?

Sugarmate by Tandem is free to download, with no in-app purchases.

### Which has better reviews, BlueLoop or Sugarmate by Tandem?

Sugarmate by Tandem is rated higher. BlueLoop averages 4.0 out of 5 from 24 ratings, while Sugarmate by Tandem averages 4.7 from 15K ratings.

### Do BlueLoop or Sugarmate by Tandem have ads?

Neither BlueLoop nor Sugarmate by Tandem shows ads.

### Which is updated more often, BlueLoop or Sugarmate by Tandem?

BlueLoop ships an update every 9 days, and Sugarmate by Tandem every 6 weeks. Most recently, BlueLoop was updated on November 1, 2026 and Sugarmate by Tandem on November 8, 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.*