# ThinkLawn vs Ultra PassWatch

The clearest difference is in-app purchases: Ultra PassWatch at none against ThinkLawn's 3. ThinkLawn's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, update cadence and ads there is nothing between them.

Both are free to download. ThinkLawn sells 3 in-app purchases, starting at $3.99 per 7 days. Ultra PassWatch asks for nothing beyond the download.

ThinkLawn ships an update fortnightly, Ultra PassWatch monthly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ThinkLawn | Ultra PassWatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/thinklawn/id6749239289/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Freemium | — |
| Size | 96 MB | 38 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [Thinklawn LLC](https://appshunter.io/developer/1870587352) | [AnchorFree Inc.](https://appshunter.io/developer/309076084) |

## What reviewers say

### ThinkLawn

[App page](https://appshunter.io/ios/app/thinklawn/id6749239289)

This AI-powered companion simplifies lawn care by analyzing soil data, weather, and seasonal timing to create personalized action plans. It offers recommendations for grass types, soil test interpretations, and product guidance, ensuring a healthier yard with smart reminders.

**Highlights:** AI Lawn Advisor, Soil Test Integration, Custom Fertilizer Plans, Smart Reminders, Product Guidance, Educational Insights

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ThinkLawn Premium Weekly | $3.99 | per 7 days |
| ThinkLawn Premium – 6 Months | $14.99 | per 6 months |
| ThinkLawn Premium Yearly | $19.99 | per year |


### Ultra PassWatch

[App page](https://appshunter.io/ios/app/ultra-passwatch/id6760571927)

**In-app purchases:** none


## Frequently asked questions

### Is ThinkLawn free?

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

### Is Ultra PassWatch free?

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

### Do ThinkLawn or Ultra PassWatch have ads?

Neither ThinkLawn nor Ultra PassWatch shows ads.

### Which is updated more often, ThinkLawn or Ultra PassWatch?

ThinkLawn ships an update fortnightly, and Ultra PassWatch monthly. Most recently, ThinkLawn was updated on November 5, 2026 and Ultra PassWatch on October 31, 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.*