When comparing Dropbox vs Quip, the Slant community recommends Quip for most people. In the question“What is the best cross-platform note-taking app?” Quip is ranked 19th while Dropbox is ranked 38th. The most important reason people chose Quip is:
Quip allows for offline editing of documents which then sync upon connection to Wi-Fi. This way users can continuing working while not connected to a data signal, but they can still back up their work when they do finally get one.
Specs
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Pros
Pro Easy to use
You can use Dropbox via website, by installing a desktop client that creates a folder that you simply drag and drop files into, or with their mobile app. Everything synchronizes across all devices used and cloud storage. And Dropbox offers easy methods of sharing whatever is within it.
Pro Cross-platform desktop and mobile
Dropbox is available on iOS, Android, BlackBerry, Windows, OS X and Linux. By having a client for so many OS's pretty much anyone is covered no matter what kind of device or OS they are using.
Pro Allows sharing a folder
Using a desktop client: right click on the folder you want to share and select Dropbox > Share This Folder, then enter the e-mail addressees of people you want to share the folder with.
Pro Smart updates to big files
If a small portion of the file is changed it sends/receives only the differences (not the whole file), which is fast and bandwidth-efficient.
Pro Allows sharing a single file via link
Whether using desktop client or web interface, simply right click on the file you want to share and select Dropbox > Share link, then send the link to the people you want to share the file with. The recipient does not require a Dropbox account.
Pro Up to 18GB of free storage space
Dropbox personal accounts start out free, with 2GB of space, but users can get extra space by recommending the site to friends, or taking part in events like "Dropquest", where users can win extra space by solving puzzles.

Pro Linux support
Dropbox offers native Linux support, integrates with Nautilus file manager.
Pro Reliable
Pro Desktop client has no file size limit
As long as you have enough storage available, you can upload files of any size using Dropbox desktop client.
Pro Folders can be downloaded compressed to save bandwidth
To save bandwidth and download speed you can choose to compress a folder into a zip archive for download.
Pro Adjustable bandwidth use
To not slow down the network or save traffic you can limit the upload and download speeds of Dropbox.
Pro Lots of addons and integrations
There are official and third-party Dropbox add-ons that extend the functionality of the service and add ease of use of existing features.
Additionally, Dropbox can be integrated with existing applications to bring its functionality to other apps.
Pro 30-day version control
Dropbox keeps deleted and earlier versions of files for a month.
Pro Instant disaster recovery
Your files always synced online means instant disaster recovery. When your hard drive becomes unbootable, pick up another laptop and just carry on with your life from where you last saved.
Pro Available free storage can be increased with referrals
You get extra free space for you and your friend if they sign up.
Pro Fast sync speed
Pro Offline editing
Quip allows for offline editing of documents which then sync upon connection to Wi-Fi. This way users can continuing working while not connected to a data signal, but they can still back up their work when they do finally get one.
Pro Amazing mobile interface
Unlike other mobile apps, Quip has really innovated the text editor on mobile, making for a good Evernote alternative. It has a great interface for formatting text that stays out of your road so to maximize how much room you have to type.
Pro Private document sharing
Files can be shared with others via a URL. The owner of the shared document can set it to be in read-only mode or they can allow anyone to edit it. Collaborators don't need to have a Quip account to participate. This feature makes for a great Evernote alternative, for those looking for a different app that has this similar function.
Pro Highly compatible
Quip can export documents to several formats, including .DOC, .PDF, .HTML, as well as a couple of others. This allows for compatibility with a wide selection of other apps.
Cons
Con Too little free space
There is just too little of free space available comparing to the competition.

Con Not secure
They don't apply end-to-end encryption, files are visible to admins, governments, etc..
Con No privacy
Extensive collecting and distribution of user data to commercial third parties.
Con Consumes a lot of CPU resources when syncing many files
Con All-or-nothing (non-selective) upload
Uploading generated contents (cache, compiled code, etc.) is prone to conflicts, wastes bandwidth and free space.
Con Low bandwidth
Con Dropbox keeps deleting features, chasing customers away
For instance, all photo albums got deleted. It used to be very easy to share a couple og photos, now it's PAINFUL and must be done file by file.
Con Nocive development model
Takes a lot of decisions that usually damage community, from deleting features to making impossible to use with other filesystems than ext4 because they decided without a plausible reason (they said it was about xattrs, but all modern linux filesystems supports xattrs, so it's bs.)(they remove this later, but it's too late).
Con Problems when synching between Linux and Windows devices (unconfirmed)
This summer I lost thousands of files due to this problem on older projects which subsequently needed revising and had to be rebuilt as tons of the source was gone.
Con Restricted only to 3 devices for FREE accounts
Recently dropbox decreased the number of linked devices to 3, so you can't have more than 3 linked devices. This is problematic if you use Dropbox to sync between your computers.
Con Can unintentionally delete your files if you reinstall your OS without closing Dropbox
If you reinstall the operation system for your PC and you do not close Dropbox, it will delete all files.
Con New version has performance issues
…on my old phone. Yes I know my phone is at fault but the old version wasn't annoyingly slow in the Spreadsheet component.
Con Not really free with stringent controls on trial
The trial is content limited which means if you start using it quite a bit they'll pick the perfect moment to swoop in and start charging you. It's better for them because it means they can look at your account and pick the best time to ask you to pay (hey we notice you're using Quip lots and have a new project you just started how about you pay now or you lose everything).
Con Limited formatting on spreadsheets
Within spreadsheet cells, you can't do things like, for example, taking part of the text and aligning it to the center or to the left. Furthermore, in the mobile app, you can't jump to the next line to keep writing inside the same cell.
Con Can't rename files
You can't really rename documents per se in Quip. What you do is put the first line of the document as its title, so that it is displayed on the main list of documents on the app. The program suggests to combine it with a HL (Large Heading) format.
