Comparison

PostFinance App vs UBS & UBS key4

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

Head to head
About

PostFinance App

Manage your banking, investments, and payments securely from your mobile device. Track spending, pay bills, and access investment products with ease. Offers features like QR-bill scanning, mobile payments, and digital voucher purchases.

Highlights
  • Account balance and transaction tracking
  • QR-bill scanning and eBill payments
  • Send money to mobile numbers
  • Investment product management
  • Digital voucher and prepaid credit purchases
  • Card limit adjustments and blocking
  • Push notifications for transactions
Features
Read full description

Keep your finances under control at all times with the PostFinance App Carry out your banking transactions easily and securely whether you’re at home or on the go. With the PostFinance App, you can keep track of your accounts, payments and investments. Access is quick and easy with Face ID or Touch ID. All you need to know about your account at a glance • Check your account balance, keep track of income and expenditure, and analyse what you spend your money on. • Scan or upload QR-bills, pay eBills directly in the app and send money easily to mobile numbers. • Documents can also be displayed and shared easily as PDFs. • Apple Pay and PostFinance Pay are available for convenient payment. Settings and support directly in the app • Adjust card limits, block or unblock your cards or order a replacement. • Set up push notifications for credits, debits or eBill. • You can also change your address or reset your password directly in the app. • If you have any questions, the PostFinance chatbot will be happy to help you at any time. Investing and retirement planning made easy • Track stock market prices, access your custody account and manage your investment products from digital asset management to fund self-service and e-trading. Digital vouchers and prepaid credit • Buy or gift vouchers for iTunes, PaysafeCard and many other providers or top up prepaid credit for your mobile phone. Security is top priority Your data is optimally protected using modern encryption methods. For even greater security, we recommend keep-ing the operating system and all apps up to date. The app can be set up so that you can log out quickly by shaking your smartphone. More information: https://www.postfinance.ch/en/support/security/e-finance-security.html General information on security • Keeping your data secure is our top priority. A multi-stage encryption and identification process ensures that only you have access to your accounts. • Apple Store must be preinstalled on your device. Manual installation of the Store and installation of the Post-Finance App via this channel or downloading the PostFinance App via a third-party provider are not permitted. • PostFinance observes the provisions of Swiss data protection legislation when collecting and processing personal data. In all areas of its online product range, comprehensive technical tools and organizational measures are used to protect against unauthorized access, manipulations and data loss. • If you lose your mobile phone and/or your SIM card or if there is reason to suspect misuse, please contact our Customer Center immediately on +41 58 448 14 14. Important information For regulatory reasons, the app does not support onboarding or sign-up to new products and services for people who are not domiciled in Switzerland. For customers living abroad, the app acts as a login mechanism for their existing relationship with PostFinance. More information: postfinance.ch/app

About

UBS & UBS key4

Access your UBS banking services on the go with this mobile app. It offers digital banking for private clients and business account setup for Swiss residents. Enjoy advanced security features to protect your transactions.

Highlights
  • Digital private banking
  • Business account setup
  • State-of-the-art security
  • Real-time notifications
  • AI transaction monitoring
Features
Read full description

This is the UBS Mobile Banking App for all our UBS clients (excl. the United States and Australia) who can benefit from these digital services. Please note, that the available functionalities of our app may vary depending on your domicile. If you live in Switzerland, you can open a private or business account directly via the app. Do you meet the requirements to use our Mobile Banking App? •  You are client of a UBS Group company and benefit from UBS’s corresponding digital services. How secure is our Mobile Banking App? In short, UBS Mobile Banking provides state-of-the-art security. How? Our security concept protects you fourfold. We uniquely identify you with the Access App or Access Card. By defining security settings and activating real-time notifications, you can increase security even more. Furthermore, we use artificial intelligence to check certain transactions for irregularities. And we help you use the internet safely – see our security recommendations on ubs.com/security. Further information: UBS Switzerland AG and other non-US subsidiaries of UBS Group AG have made the UBS Mobile Banking App ("App") available exclusively to existing clients that benefit from these services with the exception of US and Australian clients. The fact that the App can be downloaded from the US or Australia and/or any other country’s App Store does not constitute a solicitation, offer or recommendation to enter into a transaction, nor is it to be understood as a solicitation or offer for a client relationship between the person downloading the App and UBS Switzerland AG or other non-US subsidiaries of UBS Group AG.

Screenshots

PostFinance App4 screens
UBS & UBS key44 screens

Verdict

The call

The clearest difference is rating: UBS & UBS key4 at 4.7 against PostFinance App's 4.3. UBS & UBS key4 also leads on ratings volume (2.2K vs 10) and update cadence (every 3 weeks vs every 6 weeks). PostFinance App's advantage is iOS requirement (16.4 vs 18.0). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

UBS & UBS key4 holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: UBS & UBS key4 has 2.2K ratings behind it against 10, so its average is the more settled of the two.

UpkeepUpdate frequency

PostFinance App ships an update every 6 weeks, UBS & UBS key4 every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
PostFinance App versus UBS & UBS key4: the parameters behind the verdict, then further details
ParameterPostFinance AppUBS & UBS key4
PriceFreeFree
Rating4.3 (10 ratings)4.7 (2.2K ratings) — better
Positive reviews—50.0% of reviews
Number of ratings102.2K — better
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad — better
Requires iOS16.4 — better18.0
Further details — not scored
Size549 MB610 MB
Age rating4+4+
DeveloperDie Schweizerische PostUBS AG

Customer experience

PostFinance App

All ratings7 ratings
Positive71.4%
Neutral14.3%
Negative14.3%

UBS & UBS key4

All ratings2,234 ratings
Positive94.4%
Neutral2.1%
Negative3.4%
Written reviews210 reviews
Positive50.0%
Neutral6.7%
Negative43.3%

Bugs and requests

PostFinance App

Not enough reviews yet to summarise bugs or requests.

UBS & UBS key4

Reported bugs

5 issues
  • Frequent connectivity issues and app crashes
  • eBill payment issues causing duplicate payments
  • Accounts not showing up as expected based on settings
  • Scan and pay functionality not working
  • Login and authentication problems

Requested features

6 requests
  • Ability to manage personal and business accounts in the same app
  • Larger default font size for better accessibility
  • Landscape mode support on iPad
  • Ability to copy and paste in relevant fields
  • More advanced charting and analytics for investments
Show 1 more
  • Reinstate QR code scanning for bill payments

In-app purchases

None

PostFinance App

No in-app purchases

None

UBS & UBS key4

No in-app purchases

Questions

Is PostFinance App free?
PostFinance App is free to download, with no in-app purchases.
Is UBS & UBS key4 free?
UBS & UBS key4 is free to download, with no in-app purchases.
Which has better reviews, PostFinance App or UBS & UBS key4?
UBS & UBS key4 is rated higher. PostFinance App averages 4.3 out of 5 from 10 ratings, while UBS & UBS key4 averages 4.7 from 2.2K ratings.
Do PostFinance App or UBS & UBS key4 have ads?
Neither PostFinance App nor UBS & UBS key4 shows ads.
Which is updated more often, PostFinance App or UBS & UBS key4?
PostFinance App ships an update every 6 weeks, and UBS & UBS key4 every 3 weeks. Most recently, PostFinance App was updated on October 23, 2026 and UBS & UBS key4 on October 24, 2026.

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