# LARQ vs RKIN

The clearest difference is review sentiment: LARQ at 54% against RKIN's 0%. LARQ also leads on update cadence (monthly vs every 9 months). RKIN's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

LARQ ships an update monthly, RKIN every 9 months. The most recent releases landed on October 23, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | LARQ | RKIN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (617 ratings)](https://appshunter.io/ios/app/larq/id1571049201/reviews)** | — |
| Number of ratings | **617** | — |
| Positive reviews | **53.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 9 months |
| Monetization | Free | Free |
| Size | 158 MB | 190 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [LARQ](https://appshunter.io/developer/1540588014) | [Hotworks](https://appshunter.io/developer/1188728106) |

## 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


### RKIN

[App page](https://appshunter.io/ios/app/rkin/id6740370274)

Monitor your home's water and air quality in real-time. The app offers seamless device setup, timely filter replacement reminders, and customizable settings for personalized environmental control. Gain insights with detailed usage reports to ensure a healthy living space.

**Highlights:** Real-time water and air quality monitoring, Seamless device setup, Filter replacement reminders, Customizable appliance settings, Detailed usage reports, Personalized environmental control

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LARQ free?

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

### Is RKIN free?

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

### Do LARQ or RKIN have ads?

Neither LARQ nor RKIN shows ads.

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

LARQ ships an update monthly, and RKIN every 9 months. Most recently, LARQ was updated on October 23, 2026 and RKIN on October 6, 2026.

---

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