# Nightscout X vs iOB

The clearest difference is price: Nightscout X at Free against iOB's $0.99. Nightscout X also leads on rating (4.3 vs 3.6) and update cadence (every 2 weeks vs every 2 months). iOB's advantage is in-app purchases (none vs 5) and review sentiment (77% vs 63%). On ratings volume, ads and device support there is nothing between them.

Nightscout X is free to download; iOB costs $0.99 up front. Nightscout X sells 5 one-off in-app purchases. iOB asks for nothing beyond the download.

Nightscout X holds the better App Store score, 4.3 against 3.6. Both are backed by a comparable volume of ratings — 12 and 10 respectively. Written reviews complicate that: 63% of Nightscout X's written reviews are positive against 77% of iOB's, so the app with the better star average is not the one people write more warmly about.

Nightscout X ships an update every 2 weeks, iOB every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Nightscout X | iOB |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.3 (12 ratings)](https://appshunter.io/ios/app/nightscout-x/id1333154219/reviews)** | [3.6 (10 ratings)](https://appshunter.io/ios/app/iob/id1517121513/reviews) |
| Number of ratings | **12** | 10 |
| Positive reviews | 62.5% of reviews | **76.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | **Free** | Paid |
| Size | 16 MB | 10 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Daniel Fernandez Garcia](https://appshunter.io/developer/888656225) | [BrightScreenTV](https://appshunter.io/developer/403838583) |

## What reviewers say

### Nightscout X

[App page](https://appshunter.io/ios/app/nightscout-x/id1333154219)

This app provides a mobile interface to view your Nightscout web page, displaying glucose levels from your CGM device. It offers features like lock screen widgets and settings to prevent screen locking or rotation, optimized for iPhone X but compatible with all iPhones and iPads.

**Highlights:** View Nightscout web page, iPhone X optimized, iPad compatible, Lock screen widget, Prevent screen locking, Lock screen rotation

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Contribution - Expresso | $0.99 | one-time |
| Contribution - Macchiato | $1.99 | one-time |
| Contribution - Cappuccino | $3.99 | one-time |
| Contribution - Latte | $5.99 | one-time |
| Contribution - Mocha | $8.99 | one-time |


### iOB

[App page](https://appshunter.io/ios/app/iob/id1517121513)

This app helps manage insulin doses by tracking long-acting and short-acting injections. Schedule reminders for injections and their expiration, and generate reports on average doses. It aids in understanding insulin on-board to avoid over-dosing.

**Highlights:** Track basal and bolus insulin doses, Schedule injection reminders, Set dose expiration notifications, Save entries to iPhone calendar, Generate average dose reports, Calculate insulin on-board

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

**In-app purchases:** none


## Frequently asked questions

### Is Nightscout X free?

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

### Is iOB free?

iOB costs $0.99, with no in-app purchases.

### Which has better reviews, Nightscout X or iOB?

Nightscout X is rated higher. Nightscout X averages 4.3 out of 5 from 12 ratings, while iOB averages 3.6 from 10 ratings.

### Do Nightscout X or iOB have ads?

Neither Nightscout X nor iOB shows ads.

### Which is updated more often, Nightscout X or iOB?

Nightscout X ships an update every 2 weeks, and iOB every 2 months. Most recently, Nightscout X was updated on November 2, 2026 and iOB on November 3, 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.*