# U vs Rain Bird 2.0

The clearest difference is rating: U at 3.0 against Rain Bird 2.0's 1.9. U also leads on review sentiment (50% vs 12%) and iOS requirement (10.0 vs 16.0). Rain Bird 2.0's advantage is ratings volume (609 vs 1) and update cadence (every 3 weeks vs every 2 months). 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.

U holds the better App Store score, 3.0 against 1.9. That said, the two scores are not equally well evidenced: Rain Bird 2.0 has 609 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 50% of U's written reviews are positive against 12% of Rain Bird 2.0's.

U ships an update every 2 months, Rain Bird 2.0 every 3 weeks. The most recent releases landed on June 1, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | U | Rain Bird 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/u-sync/id1485733488/reviews)** | [1.9 (609 ratings)](https://appshunter.io/ios/app/rain-bird-20/id6472510505/reviews) |
| Number of ratings | 1 | **609** |
| Positive reviews | **50.0% of reviews** | 12.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 49 MB | 98 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Universal Lighting System](https://appshunter.io/developer/1485568087) | [Rain Bird Corporation](https://appshunter.io/developer/958281909) |

## What reviewers say

### U

[App page](https://appshunter.io/ios/app/u-sync/id1485733488)

Control your smart lighting system with this app. Set custom schedules for different zones, turn lights on/off manually, and name your zones for easy management. It's a convenient interface for Universal Lighting Systems' Zone Control transformers.

**Highlights:** Set zone schedules, Manual zone control, Name custom zones, Individual zone timing, System on/off control

**Features:** macOS Compatibility

**In-app purchases:** none


### Rain Bird 2.0

[App page](https://appshunter.io/ios/app/rain-bird-20/id6472510505)

Control your sprinklers remotely with this app. Set custom watering schedules, automate weather adjustments, and monitor your system's performance from your mobile device. Save water and money with smart irrigation.

**Highlights:** Remote sprinkler control, Custom watering schedules, Weather-based adjustments, Device mapping, Custom site photos, Improved connection speed

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and reliable connection
- 🌟 Improved user interface
- 📊 Weather forecasting and adjustment features
- 🔒 Secure cloud-based control

**What reviewers complain about**

- 🐛 Connectivity issues and disconnections
- 🤔 Confusing setup and registration process
- 🤷‍♀️ Lack of feature parity with previous app version
- 🕰️ Excessive weather adjustments

**Reported bugs**

- Inability to log in or reset credentials
- Zones renamed or disappearing
- Unexpected program start times
- Firmware update issues

**Requested features**

- History of system and station runtimes
- Ability to independently control/schedule programs
- Integration with smart home platforms
- Improved weather data accuracy and customization


## Frequently asked questions

### Is U free?

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

### Is Rain Bird 2.0 free?

Rain Bird 2.0 is free to download, with no in-app purchases.

### Which has better reviews, U or Rain Bird 2.0?

U is rated higher. U averages 3.0 out of 5 from 1 ratings, while Rain Bird 2.0 averages 1.9 from 609 ratings.

### Do U or Rain Bird 2.0 have ads?

Neither U nor Rain Bird 2.0 shows ads.

### Which is updated more often, U or Rain Bird 2.0?

U ships an update every 2 months, and Rain Bird 2.0 every 3 weeks. Most recently, U was updated on June 1, 2026 and Rain Bird 2.0 on September 23, 2026.

---

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