# LARQ vs OTKAX

The clearest difference is rating: LARQ at 4.3 against OTKAX's 2.3. LARQ also leads on ratings volume (599 vs 3). OTKAX's advantage is iOS requirement (12.0 vs 17.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

LARQ holds the better App Store score, 4.3 against 2.3. That said, the two scores are not equally well evidenced: LARQ has 599 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 54% of LARQ's written reviews are positive against 50% of OTKAX's.

LARQ ships an update monthly, OTKAX every 3 weeks. The most recent releases landed on September 22, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | LARQ | OTKAX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (599 ratings)](https://appshunter.io/ios/app/larq/id1571049201/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/otkax/id1671817443/reviews) |
| Number of ratings | **599** | 3 |
| Positive reviews | **54.5% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 158 MB | 20 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LARQ](https://appshunter.io/developer/1540588014) | [水金 陈](https://appshunter.io/developer/1634599571) |

## What reviewers say

### LARQ

[App page](https://appshunter.io/ios/app/larq/id1571049201)

Manage your smart water pitcher and track your hydration. Monitor filter life, view water consumption data, and remotely control purification features. Receive important software updates to enhance your experience.

**Highlights:** Track filter life, Monitor water consumption, Activate purification remotely, Customize pitcher settings, Receive software updates

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Great water bottle
- 👍 Excellent water filtration
- 🔋 Long battery life
- 💡 Useful app features
- 🔒 Reliable self-cleaning

**What reviewers complain about**

- 🐛 Inconsistent water tracking
- 🔋 Battery drain issues
- 🔒 Connectivity problems
- 💡 Lack of widgets and Apple Watch support

**Reported bugs**

- App fails to register water consumption
- Frequent disconnections between bottle and app
- Filter life indicator not working properly

**Requested features**

- Add widgets for home screen and Apple Watch
- Improve water intake tracking accuracy
- Provide more customization options
- Implement push notifications for hydration reminders


### OTKAX

[App page](https://appshunter.io/ios/app/otkax/id1671817443)

This app connects to your device via Bluetooth to control and test equipment. It also includes a feature to remind users to stay hydrated throughout the day.

**Highlights:** Bluetooth device connection, Equipment control, Equipment testing, Water intake reminders

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LARQ free?

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

### Is OTKAX free?

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

### Which has better reviews, LARQ or OTKAX?

LARQ is rated higher. LARQ averages 4.3 out of 5 from 599 ratings, while OTKAX averages 2.3 from 3 ratings.

### Do LARQ or OTKAX have ads?

Neither LARQ nor OTKAX shows ads.

### Which is updated more often, LARQ or OTKAX?

LARQ ships an update monthly, and OTKAX every 3 weeks. Most recently, LARQ was updated on September 22, 2026 and OTKAX on June 1, 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.*