# OtO Lawn vs SparqSync

The clearest difference is update cadence: OtO Lawn at every 11 days against SparqSync's every 3 months. SparqSync's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

OtO Lawn ships an update every 11 days, SparqSync every 3 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OtO Lawn | SparqSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.3K ratings)](https://appshunter.io/ios/app/oto-lawn/id1516540094/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 81.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 months |
| Monetization | Free | — |
| Size | 64 MB | 55 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OtO Incorporated](https://appshunter.io/developer/1534761567) | [Sparq Systems Inc](https://appshunter.io/developer/1801998157) |

## What reviewers say

### OtO Lawn

[App page](https://appshunter.io/ios/app/oto-lawn/id1516540094)

This app is essential for setting up and calibrating smart lawn watering devices. It allows users to define watering zones on their property for optimal lawn care.

**Highlights:** Device setup, Lawn calibration, Watering zone definition, Property mapping

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

**In-app purchases:** none


### SparqSync

[App page](https://appshunter.io/ios/app/sparqsync/id6745278632)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OtO Lawn free?

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

### Is SparqSync free?

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

### Do OtO Lawn or SparqSync have ads?

Neither OtO Lawn nor SparqSync shows ads.

### Which is updated more often, OtO Lawn or SparqSync?

OtO Lawn ships an update every 11 days, and SparqSync every 3 months. Most recently, OtO Lawn was updated on October 29, 2026 and SparqSync on October 25, 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.*