# nightguard vs AiDEX mmol/L

The clearest difference is review sentiment: nightguard at 70% against AiDEX mmol/L's 33%. nightguard also leads on rating (4.5 vs 4.0) and ratings volume (892 vs 2). AiDEX mmol/L's advantage is in-app purchases (none vs 2) and iOS requirement (11.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. nightguard sells 2 in-app purchases, starting at $1.99 per month. AiDEX mmol/L asks for nothing beyond the download.

nightguard holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: nightguard has 892 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 70% of nightguard's written reviews are positive against 33% of AiDEX mmol/L's.

nightguard ships an update monthly, AiDEX mmol/L every 2 months. The most recent releases landed on October 29, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | nightguard | AiDEX mmol/L |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (892 ratings)](https://appshunter.io/ios/app/nightguard/id1116430352/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/aidex-mmoll/id1597431014/reviews) |
| Number of ratings | **892** | 2 |
| Positive reviews | **70.1% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 13 MB | 112 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [SPORTMEO](https://appshunter.io/developer/1769651057) | [Micro Tech Medical (Hangzhou) Co., LTD.](https://appshunter.io/developer/1255039281) |

## 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


### AiDEX mmol/L

[App page](https://appshunter.io/ios/app/aidex-mmoll/id1597431014)

Monitor your glucose levels directly from your phone with this app, compatible with a continuous glucose monitoring system. Track readings, view trends, and log activities like food and exercise to better manage your health. Connect with healthcare professionals for comprehensive care.

**Highlights:** Continuous glucose monitoring, Real-time glucose readings, Trend arrow and history view, Log food, insulin, and exercise, Ambulatory Glucose Profile reports, Connect with healthcare professionals

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is nightguard free?

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

### Is AiDEX mmol/L free?

AiDEX mmol/L is free to download, with no in-app purchases.

### Which has better reviews, nightguard or AiDEX mmol/L?

nightguard is rated higher. nightguard averages 4.5 out of 5 from 892 ratings, while AiDEX mmol/L averages 4.0 from 2 ratings.

### Do nightguard or AiDEX mmol/L have ads?

Neither nightguard nor AiDEX mmol/L shows ads.

### Which is updated more often, nightguard or AiDEX mmol/L?

nightguard ships an update monthly, and AiDEX mmol/L every 2 months. Most recently, nightguard was updated on October 29, 2026 and AiDEX mmol/L on October 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.*