# Rachio vs cjClock

The clearest difference is price: Rachio at Free against cjClock's $0.99. Rachio also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (16.0 vs 18.0). cjClock's advantage is in-app purchases (none vs 5) and ads (none vs shown). On device support there is nothing between them.

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

Rachio ships an update every 3 weeks, cjClock every 2 months. The most recent releases landed on September 27, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Rachio | cjClock |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.9 (157K ratings)](https://appshunter.io/ios/app/rachio/id864325098/reviews)** | — |
| Number of ratings | **157K** | — |
| Positive reviews | 57.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 162 MB | 6 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RACHIO, INC.](https://appshunter.io/developer/864325101) | [T. Frank Lawlis](https://appshunter.io/developer/517473701) |

## What reviewers say

### Rachio

[App page](https://appshunter.io/ios/app/rachio/id864325098)

This app allows you to control your sprinkler system remotely, creating custom watering schedules. It helps save water and money by optimizing irrigation based on weather and yard needs. Access your system from anywhere for convenient lawn care.

**Highlights:** Automated watering schedules, Remote sprinkler control, Water and money saving, Weather-based adjustments, Smart home integration, Mobile app access

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tempest Integration | $29.99 | one-time |
| AirLink Integration | $29.99 | one-time |
| Heat Wave Boost | $29.99 | one-time |
| Wire Status | $29.99 | one-time |
| Valve & Heat Monitoring Bundle | $49.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Convenient remote control
- 🌱 Saves water and money
- 🌳 Helps maintain healthy lawn and plants

**What reviewers complain about**

- 🐛 Connectivity issues
- 💸 Aggressive upselling
- 🤔 Confusing user interface
- 🌧️ Inaccurate weather-based scheduling

**Reported bugs**

- Zones running at unexpected times
- Schedules not working as programmed
- App crashing during setup and use
- Syncing issues between app and controller

**Requested features**

- Ability to skip multiple upcoming watering cycles
- Customizable notifications for low battery and offline status
- Better integration with smart home platforms like HomeKit
- More granular control over watering schedules and durations


### cjClock

[App page](https://appshunter.io/ios/app/cjclock/id6469407134)

**In-app purchases:** none


## Frequently asked questions

### Is Rachio free?

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

### Is cjClock free?

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

### Do Rachio or cjClock have ads?

Rachio shows ads; cjClock does not.

### Which is updated more often, Rachio or cjClock?

Rachio ships an update every 3 weeks, and cjClock every 2 months. Most recently, Rachio was updated on September 27, 2026 and cjClock on September 15, 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.*