# nightguard vs AiDEX mg/dL

The clearest difference is review sentiment: nightguard at 70% against AiDEX mg/dL's 20%. nightguard also leads on rating (4.5 vs 2.6) and ratings volume (889 vs 8). AiDEX mg/dL'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 mg/dL asks for nothing beyond the download.

nightguard holds the better App Store score, 4.5 against 2.6. That said, the two scores are not equally well evidenced: nightguard has 889 ratings behind it against 8, 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 20% of AiDEX mg/dL's.

nightguard ships an update monthly, AiDEX mg/dL every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | nightguard | AiDEX mg/dL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (889 ratings)](https://appshunter.io/ios/app/nightguard/id1116430352/reviews)** | [2.6 (8 ratings)](https://appshunter.io/ios/app/aidex-mgdl/id1597431206/reviews) |
| Number of ratings | **889** | 8 |
| Positive reviews | **70.1% of reviews** | 20.0% 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 mg/dL

[App page](https://appshunter.io/ios/app/aidex-mgdl/id1597431206)

Monitor your glucose levels wirelessly with this app, which pairs with a continuous glucose monitoring system. View real-time readings, trends, and historical data. Track food, insulin, and exercise to gain insights into your glucose patterns.

**Highlights:** Real-time glucose monitoring, 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 mg/dL free?

AiDEX mg/dL is free to download, with no in-app purchases.

### Which has better reviews, nightguard or AiDEX mg/dL?

nightguard is rated higher. nightguard averages 4.5 out of 5 from 889 ratings, while AiDEX mg/dL averages 2.6 from 8 ratings.

### Do nightguard or AiDEX mg/dL have ads?

Neither nightguard nor AiDEX mg/dL shows ads.

### Which is updated more often, nightguard or AiDEX mg/dL?

nightguard ships an update monthly, and AiDEX mg/dL every 2 months. Most recently, nightguard was updated on October 26, 2026 and AiDEX mg/dL on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*