Comparison

Rentbrella vs Polywatch

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Rentbrella

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
Read full description

Rentbrella is here to make your life easier and keep the city always within your reach. Unexpected rains and UV rays can't be an obstacle in your days, not anymore. Next time the weather gets in your way, go to the nearest Rentbrella station and start sharing. Our umbrellas are designed to endure the most intense of rains with their reinforced fibreglass structure and hydrophobic fabric technology. How to start using Rentbrella: 1. Create an account and register a credit card 2. Use the map to find the closest Rentbrella station 3. Tap "I want an umbrella" and scan the station's QR Code 4. Use the station keyboard to type in the code generated on the app 5. Withdraw the umbrella and enjoy the city 6. Return it in any other Rentbrella station using the app What's the use of owning an umbrella if we're always without it when it rains? For this reason and many others, we believe that through sharing we can achieve a more efficient, conscious and innovative world. — Can we help? If you want to know more about Rentbrella, visit us at rentbrella.com and if you have any questions, check our 'Help' tab inside the app, we'll get you sorted.

About

Polywatch

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
Read full description

Polywatch — Your Polymarket Portfolio Companion Stay on top of your prediction market trades without ever opening a browser. Polywatch gives you a clean, instant view of your Polymarket positions, profit & loss, and leaderboard ranking — right on your iPhone. [DISCLAIMER: Polywatch is a community build tool for Polymarket community. The app is not affiliated with Polymarket.] PORTFOLIO AT A GLANCE Add multiple wallet addresses and see all your active positions in one place. Track current prices, share counts, and unrealized P&L for every market you're in. Pull to refresh or let the app update automatically in the background. LEADERBOARD RANKINGS See where you stand among Polymarket's top traders. View your rank by Profit/Loss or Volume, filter by category (Politics, Sports, Crypto, and more), and toggle between daily, weekly, monthly, or all-time windows. Tap any trader to see their full stats and wallet address. HOME SCREEN WIDGETS Glance at your P&L or leaderboard rank without opening the app. Polywatch includes a full suite of widgets: • Small, medium, and accessory widget sizes • Configurable time period and category • Lock Screen and StandBy support • Updates automatically throughout the day MULTI-ACCOUNT SUPPORT Managing multiple wallets? Add as many Polymarket addresses as you need and switch between them instantly — both in the app and in widgets. BUILT FOR SPEED Polywatch talks directly to the Polymarket data API. No account login required — just paste your wallet address and go. Your data stays on your device. KEY FEATURES • Real-time position tracking with price and P&L • Leaderboard ranking by PnL or Volume • Filter leaderboard by category and time period • Top 25 traders list with detailed profiles • Home Screen, Lock Screen, and StandBy widgets • Multi-account wallet management • Pull-to-refresh and auto-refresh • Dark mode support • No login required — fully privacy-respecting POLYWATCH PRO Unlock the full experience with Polywatch Pro: • Home Screen, Lock Screen, and StandBy widgets • Refresh intervals as fast as every 5 seconds • Priority support Polywatch Pro is available as an auto-renewable subscription: • Monthly: $4.99/month • Annual: $49.99/year Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless cancelled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscription in your Apple ID account settings after purchase. Polywatch is an independent app and is not affiliated with Polymarket. Polywatch supports Polymarket International only. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://polywatch.rgbk.club/privacy

Screenshots

Rentbrella4 screens
Polywatch4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard5 real differences · 5 level
Rentbrella versus Polywatch: the parameters behind the verdict, then further details
ParameterRentbrellaPolywatch
PriceFreeFree
Rating4.4 (56 ratings) — better2.0 (2 ratings)
Positive reviews45.6% of reviews—
Number of ratings56 — better2
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size82 MB21 MB
Age rating+44+
DeveloperRentbrella S.A.Boon Kit Gan

Customer experience

Rentbrella

All ratings56 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews79 reviews
Positive45.6%
Neutral3.8%
Negative50.6%

Polywatch

All ratings2 ratings
Positive0.0%
Neutral50.0%
Negative50.0%

In-app purchases

None

Rentbrella

No in-app purchases

2 purchases

Polywatch

Subscriptions2
  • Polywatch Pro Monthly$4.991 Month
  • Polywatch Pro Annual$29.991 Year

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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