# Glucose Buddy Diabetes Tracker vs CHARM

The clearest difference is in-app purchases: CHARM at none against Glucose Buddy Diabetes Tracker's 10. CHARM also leads on ads (none vs shown) and iOS requirement (15.1 vs 18.0). Glucose Buddy Diabetes Tracker's advantage is update cadence (monthly vs every 10 months) and chart position (#97 vs unranked). On price and device support there is nothing between them.

Both are free to download. Glucose Buddy Diabetes Tracker sells 9 in-app purchases, starting at $14.99 per month. CHARM asks for nothing beyond the download.

Glucose Buddy Diabetes Tracker ships an update monthly, CHARM every 10 months. The most recent releases landed on November 5, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Glucose Buddy Diabetes Tracker | CHARM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (25K ratings)](https://appshunter.io/ios/app/glucose-buddy-diabetes-tracker/id294754639/reviews)** | — |
| Number of ratings | **25K** | — |
| Positive reviews | 75.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 10 months |
| Monetization | Freemium | — |
| Best chart rank | **#97** | — |
| Size | 132 MB | 34 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Azumio Inc.](https://appshunter.io/developer/439290207) | [University Health Network](https://appshunter.io/developer/361257574) |

## What reviewers say

### Glucose Buddy Diabetes Tracker

[App page](https://appshunter.io/ios/app/glucose-buddy-diabetes-tracker/id294754639)

**Currently charting:** #97 Top Grossing · Medical (US App Store)

This app helps individuals manage their diabetes by tracking blood sugar, medication, and carb intake. It offers educational content, meal planning assistance, and data export for healthcare providers. Premium features provide advanced analytics and integrations.

**Highlights:** Track blood sugar, medication, and A1C, Log weight and carb intake, Extensive food database for meal logging, 12-week diabetes education plan, Meal IQ for better food choices, Export data to PDF and CSV reports, Integrates with Dexcom and Apple Health

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $14.99 | per month |
| Premium | $14.99 | per month |
| Premium | $39.99 | per year |
| Premium | $39.99 | per year |
| Premium | $39.99 | per year |
| Premium | $49.99 | per year |
| Premium | $59.99 | per year |
| Premium | $59.99 | per year |
| Multi-Device Cross-Sync (bidirectional) 1Y add-on | $12.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful for managing diabetes
- 📊 Useful tracking and reporting features
- 💪 Improved health outcomes

**What reviewers complain about**

- 🐛 Bugs and glitches after updates
- 💰 Expensive premium subscription
- 📈 Inaccurate A1C estimates
- 🤖 Overly aggressive upselling and ads

**Reported bugs**

- App crashes and freezes
- Syncing issues with Dexcom and other devices
- Incorrect time stamps on logged data
- Inability to edit or delete logged entries

**Requested features**

- More customization options for logging data
- Integration with other health apps and devices
- Better support for weekly/monthly medication schedules
- Improved food database and nutrition tracking


### CHARM

[App page](https://appshunter.io/ios/app/charm-copd/id6672761257)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Glucose Buddy Diabetes Tracker free?

Glucose Buddy Diabetes Tracker is free to download, with in-app purchases available.

### Is CHARM free?

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

### Do Glucose Buddy Diabetes Tracker or CHARM have ads?

Glucose Buddy Diabetes Tracker shows ads; CHARM does not.

### Which is updated more often, Glucose Buddy Diabetes Tracker or CHARM?

Glucose Buddy Diabetes Tracker ships an update monthly, and CHARM every 10 months. Most recently, Glucose Buddy Diabetes Tracker was updated on November 5, 2026 and CHARM on October 27, 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.*