When comparing Google Sheets vs Google Wallet, the Slant community recommends Google Wallet for most people. In the question“What are the best Material Design apps?” Google Wallet is ranked 25th while Google Sheets is ranked 66th. The most important reason people chose Google Wallet is:
Google has a partnership with Bancorp Bank that issues a Virtual Card to Google Wallet users that works as an intermediary between customer's card and merchant. It gives more choice in terms of compatible cards and works as a card fraud mitigation technique.
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Pros
Pro Scalable, customized organization
Infinite row/columns and all the separate tabs to play with. Trips can be organized with as many attributes and calculations as you see fit.
Pro Good for budgeting
Since it is a spreadsheet, very easy to calculate budget, and any secondary calculations as well (e.g. cost/day, cost/location, etc.)
Pro Easy to share
Google Sheets are always accessible on the cloud, and easy to control permissions to share with relevant parties.
Pro Easy to export
Physically (printing) and otherwise (converting to excel, attaching to emails).
Pro Cross-platform
Can be accessed from any device via the browser, or Google's iOS and Android apps.
Pro Best choice of supported cards through Google's Virtual Card system
Google has a partnership with Bancorp Bank that issues a Virtual Card to Google Wallet users that works as an intermediary between customer's card and merchant. It gives more choice in terms of compatible cards and works as a card fraud mitigation technique.
Pro Has a robust fraud protection system
All verified unauthorized transactions reported within 120 days of the transaction are completely refunded.
Pro No credit card information is stored on the phone
In case a phone is lost or stolen no access to actual credit card information can be gained.
Pro 4-digit PIN provides added security through secondary authentication
4-digit PIN that has to be entered before any transaction can take place adds secondary authentication and makes sure that nothing gets bought by accident.
Cons
Con Not optimized for travel
Unlike travel-specific websites, Sheets won't be able to tell if one link is a flight, and another is a hotel reservation, nor will it be able to know which cells correspond to what leg of the trip.
Con Zero foundation
While there are sample layouts (see Travel planner), it's likely that each person's trip planning needs will be unique enough that it's better to start from scratch. Of course, once you use Sheets for one trip, it'll be easier and faster to set it up for future trips.