Comparison

Rentbrella vs Nano Key

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

Head to head
About

Rentbrella

Rent an umbrella from convenient stations to protect yourself from unexpected rain or sun. Simply find a station on the map, rent an umbrella via the app, and return it to any other station.

Highlights
  • Find nearby umbrella stations
  • Rent umbrellas via QR code
  • Durable, reinforced umbrellas
  • Return umbrellas to any station
  • Hydrophobic fabric technology
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

Nano Key

Features
Read full description

Acesse os locais e ambientes protegidos pela Acess-e com dispositivos RedSquare via bluetooth com as chaves virtuais recebidas pelo app. O acesso aos ambientes são monitorados pela empresa, promovendo maior segurança.

Screenshots

Rentbrella4 screens
Nano Key4 screens

Verdict

The call

The clearest difference is iOS requirement: Rentbrella at 12.0 against Nano Key's 14.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 22, 2026 and May 16, 2026 respectively.

Scorecard1 real difference · 9 level
Rentbrella versus Nano Key: the parameters behind the verdict, then further details
ParameterRentbrellaNano Key
PriceFreeFree
Rating4.4 (56 ratings) — better
Positive reviews48.0% of reviews
Number of ratings56 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better14.0
Further details — not scored
Size59 MB61 MB
Age rating4+4+
DeveloperRentbrella S.A.Promont Solucoes Ltda

In-app purchases

None

Rentbrella

No in-app purchases

None

Nano Key

No in-app purchases

Questions

Is Rentbrella free?
Rentbrella is free to download, with no in-app purchases.
Is Nano Key free?
Nano Key is free to download, with no in-app purchases.
Do Rentbrella or Nano Key have ads?
Neither Rentbrella nor Nano Key shows ads.
Which is updated more often, Rentbrella or Nano Key?
Rentbrella ships an update every 2 months, and Nano Key every 2 months. Most recently, Rentbrella was updated on September 22, 2026 and Nano Key on May 16, 2026.

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