# Rentbrella vs Polywatch

The clearest difference is rating: Rentbrella at 4.4 against Polywatch's 2.0. Rentbrella also leads on in-app purchases (none vs 2) and ratings volume (56 vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Polywatch sells 2 in-app purchases, starting at $4.99 per month. Rentbrella asks for nothing beyond the download.

Rentbrella holds the better App Store score, 4.4 against 2.0. That said, the two scores are not equally well evidenced: Rentbrella has 56 ratings behind it against 2, so its average is the more settled of the two.

Rentbrella ships an update every 2 months, Polywatch monthly. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Rentbrella | Polywatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (56 ratings)](https://appshunter.io/ios/app/rentbrella/id1222096690/reviews)** | [2.0 (2 ratings)](https://appshunter.io/ios/app/polywatch-polymarket-tracker/id6759100377/reviews) |
| Number of ratings | **56** | 2 |
| Positive reviews | 45.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Freemium |
| Size | 82 MB | 21 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Rentbrella S.A.](https://appshunter.io/developer/1222096689) | [Boon Kit Gan](https://appshunter.io/developer/1575915104) |

## What reviewers say

### Rentbrella

[App page](https://appshunter.io/ios/app/rentbrella/id1222096690)

Rentbrella provides on-demand umbrella rentals through a network of stations. Easily find, rent, and return umbrellas via the app to stay protected from rain and sun.

**Highlights:** Find nearest umbrella stations, Rent umbrellas via QR code, Return umbrellas at any station, Durable, reinforced umbrella design, Account and credit card registration

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### Polywatch

[App page](https://appshunter.io/ios/app/polywatch-polymarket-tracker/id6759100377)

Track your prediction market trades and portfolio performance without needing a browser. View active positions, profit and loss, and leaderboard rankings instantly on your iPhone. Offers home screen widgets for quick glances and multi-account support.

**Highlights:** Real-time position tracking, Profit & Loss calculation, Leaderboard rankings, Home Screen widgets, Multi-account support, No login required

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Polywatch Pro Monthly | $4.99 | per month |
| Polywatch Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is Rentbrella free?

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

### Is Polywatch free?

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

### Which has better reviews, Rentbrella or Polywatch?

Rentbrella is rated higher. Rentbrella averages 4.4 out of 5 from 56 ratings, while Polywatch averages 2.0 from 2 ratings.

### Do Rentbrella or Polywatch have ads?

Neither Rentbrella nor Polywatch shows ads.

### Which is updated more often, Rentbrella or Polywatch?

Rentbrella ships an update every 2 months, and Polywatch monthly. Most recently, Rentbrella was updated on November 9, 2026 and Polywatch 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.*