# FLwatch vs LibreArm

The clearest difference is in-app purchases: LibreArm at none against FLwatch's 4. FLwatch's advantage is update cadence (every 5 days vs every 2 weeks). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. FLwatch sells 4 one-off in-app purchases. LibreArm asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for FLwatch against 4.8 for LibreArm. Both are backed by a comparable volume of ratings — 38 and 48 respectively. Written reviews are what separate them: 84% of FLwatch's written reviews are positive against 88% of LibreArm's.

FLwatch ships an update every 5 days, LibreArm every 2 weeks. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | FLwatch | LibreArm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (38 ratings)](https://appshunter.io/ios/app/flwatch-glucose-sensor-graph/id6670172928/reviews) | **[4.8 (48 ratings)](https://appshunter.io/ios/app/librearm/id6752661389/reviews)** |
| Number of ratings | 38 | **48** |
| Positive reviews | 84.1% of reviews | **87.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 20 MB | 1 MB |
| Requires iOS | **18.0** | 18.5 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Philipp Poeml](https://appshunter.io/developer/1541497053) | [PAUL ANDREW TAYLOR](https://appshunter.io/developer/1840428821) |

## What reviewers say

### FLwatch

[App page](https://appshunter.io/ios/app/flwatch-glucose-sensor-graph/id6670172928)

Visualize blood glucose readings from compatible sensors on your iPhone and Apple Watch. Track insulin doses, view insulin-on-board and activity graphs, and integrate data with Apple Health for comprehensive diabetes management.

**Highlights:** Blood glucose graph on iPhone and Apple Watch, Insulin on Board (IOB) calculation, Insulin activity graph, iOS Home Screen and Lock Screen widgets, Live Activities for quick glucose updates, CarPlay support, Export to Apple Health

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Some good coffee beans | $4.99 | one-time |
| Some more good coffee beans | $9.99 | one-time |
| Many good quality coffee beans | $24.99 | one-time |
| Lots good quality coffee beans | $49.99 | one-time |


### LibreArm

[App page](https://appshunter.io/ios/app/librearm/id6752661389)

This app allows you to track your blood pressure readings from a compatible monitor directly to your iPhone. It prioritizes privacy by keeping all your data offline and locally stored, with optional integration into Apple Health. Enjoy a simple, ad-free experience without accounts or subscriptions.

**Highlights:** Connects to QardioArm via Bluetooth, Saves readings to Apple Health, Offline data storage, Simple, clean interface, Open-source project

**In-app purchases:** none


## Frequently asked questions

### Is FLwatch free?

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

### Is LibreArm free?

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

### Which has better reviews, FLwatch or LibreArm?

LibreArm is rated higher. FLwatch averages 4.7 out of 5 from 38 ratings, while LibreArm averages 4.8 from 48 ratings.

### Do FLwatch or LibreArm have ads?

Neither FLwatch nor LibreArm shows ads.

### Which is updated more often, FLwatch or LibreArm?

FLwatch ships an update every 5 days, and LibreArm every 2 weeks. Most recently, FLwatch was updated on October 15, 2026 and LibreArm on October 12, 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.*