# nightguard vs Diabetes

nightguard and Diabetes both sit at 4.5 stars, but that hides the real split: 70% of nightguard's written reviews are positive against 33% of Diabetes's. nightguard also leads on ads (none vs shown) and update cadence (monthly vs every 2 months). Diabetes's advantage is iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. nightguard sells 2 in-app purchases, starting at $1.99 per month and Diabetes sells 8 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for nightguard against 4.5 for Diabetes. Both are backed by a comparable volume of ratings — 892 and 990 respectively. Written reviews are what separate them: 70% of nightguard's written reviews are positive against 33% of Diabetes's.

nightguard ships an update monthly, Diabetes every 2 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | nightguard | Diabetes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (892 ratings)](https://appshunter.io/ios/app/nightguard/id1116430352/reviews) | **[4.5 (990 ratings)](https://appshunter.io/ios/app/diabetesm/id1196733537/reviews)** |
| Number of ratings | 892 | **990** |
| Positive reviews | **70.1% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 13 MB | 68 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 17+ |
| Developer | [SPORTMEO](https://appshunter.io/developer/1769651057) | [Sirma Medical Systems JSC](https://appshunter.io/developer/1196733536) |

## What reviewers say

### nightguard

[App page](https://appshunter.io/ios/app/nightguard/id1116430352)

Monitor blood glucose levels from your Nightscout backend. Receive alerts for out-of-range values, track historical data with overlay charts, and tune basal rates with statistics. Optionally sync data to Apple HealthKit.

**Highlights:** Blood glucose value display, Customizable glucose range alerts, Alert snoozing and reactivation, Rapid rise/fall alerts, Historical overlay charts, Basal rate tuning statistics, HealthKit data sync

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nightguard Pro | $1.99 | per month |
| Nightguard Max Subscription | $3.99 | per month |

**What reviewers like**

- 🚀 Great app for monitoring glucose levels
- 👍 Helpful for managing diabetes
- 🤖 Integrates well with Apple Watch
- 📊 Provides useful data visualization

**What reviewers complain about**

- 🐛 Alarms/notifications not working properly
- 🔄 Inconsistent data sync/refresh issues
- 📱 Apple Watch app crashing/not functioning
- 🔢 Issues with unit conversions (mg/dL vs mmol/L)

**Reported bugs**

- Readings stuck or not updating
- Nightscout URL not recognized
- Glucose data not syncing to Apple Health
- Sudden disappearance of Apple Watch app

**Requested features**

- Add ability to view/scan graph data points
- Improve Apple Watch complication and widget
- Allow custom high/low alert thresholds
- Provide more detailed user manual/documentation


### Diabetes

[App page](https://appshunter.io/ios/app/diabetesm/id1196733537)

This app helps users manage diabetes by tracking blood glucose, food intake, and exercise. It provides detailed reports, charts, and statistics, and can analyze data from various glucometers and insulin pumps. An Apple Watch app and Health app integration are also available.

**Highlights:** Blood glucose tracking, Nutrition database, Exercise logging, Detailed reports and charts, Data import from glucometers/insulin pumps, Apple Watch app, Apple Health integration

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Promotion) | $2.99 | per month |
| Premium | $4.99 | per month |
| Premium (Promotion) | $8.49 | per 3 months |
| Premium | $13.99 | per 3 months |
| Premium (Promotion) | $14.99 | per 6 months |
| Premium | $24.99 | per 6 months |
| Premium (Promotion) | $29.99 | per year |
| Premium | $49.99 | per year |

**What reviewers like**

- 🚀 Helpful for managing diabetes
- 🔒 Tracks insulin, glucose, and more
- 👍 Useful reporting and analytics

**What reviewers complain about**

- 🐛 Frequent crashes and glitches
- 🔌 Bluetooth connectivity issues
- 💸 Expensive premium subscription
- 🤖 Poor user interface and navigation
- 🔍 Lacking in food database and search functionality

**Reported bugs**

- Entries disappearing from logbook
- Insulin sensitivity settings not working correctly
- Unable to import data from FreeStyle Libre
- Sync issues with Apple Health

**Requested features**

- Add support for Dexcom and other CGM devices
- Improve bolus calculator and insulin on board tracking
- Allow customization of color schemes and font sizes
- Integrate with Apple Health and other health platforms


## Frequently asked questions

### Is nightguard free?

nightguard is free to download, with in-app purchases available.

### Is Diabetes free?

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

### Which has better reviews, nightguard or Diabetes?

Diabetes is rated higher. nightguard averages 4.5 out of 5 from 892 ratings, while Diabetes averages 4.5 from 990 ratings.

### Do nightguard or Diabetes have ads?

Diabetes shows ads; nightguard does not.

### Which is updated more often, nightguard or Diabetes?

nightguard ships an update monthly, and Diabetes every 2 months. Most recently, nightguard was updated on November 2, 2026 and Diabetes on November 2, 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.*