When comparing Marketcloud vs Couchbase, the Slant community recommends Couchbase for most people. In the question“What are the best iOS BaaS (Backend as a Service) providers?” Couchbase is ranked 2nd while Marketcloud is ranked 5th. The most important reason people chose Couchbase is:
Couchbase and Couchbase Mobile are open source and released under the Apache License.
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Pros
Pro E-commerce oriented
It's e-commerce oriented, so if you need to build an e-commerce mobile app you don't have to re-define common resources such as Categories Brands Products and Carts.
Pro Can be modified to be used not only for e-commerce
While it's true that it's built for creating e-commerce apps, every resource can be extended with metadata in order to use it for many use cases.
Pro Cross-platform
Can be used for mobile app as well as web applications.
Pro Open source
Couchbase and Couchbase Mobile are open source and released under the Apache License.
Pro Easy to implement N1QL queries
Pro Ability to run ad-hoc SQL like queries on realtime big data
Couchbase N1QL allows native SQL processing over JSON data with high performance indexing for low latency queries at scale.
Pro Easy sync protocol to mobile devices
The minimal code needed to pull data down to a device
Pro Available on Windows, Linux & macOS
Pro Ability to make predefined fast queries
With Couchbase you can make "Views" of data, which are practically predefined queries which are fetched with an O(1) algorithm.
Cons
Con No free plan
There is no free plan available. Pricing starts at 19€/Month.
Con Vendor lock-in
Con No model mapper for Android
Couchbase does not have a model mapper for Android built-in and out of the box, instead you will have to write your own from scratch.
Con Not Compatible with couchdb
Since version 2 the sync-protocol is no longer compatible with couchdb. This makes couchbase nearly worthless
