| 1. |
It was developed by Redis labs and initially released on May 10, 2009. |
It was developed by MongoDB Inc. and initially released on 11 February, 2009. |
| 2. |
Redis is written in ANSI and C languages. |
MongoDB is written in C++, Go, JavaScript and Python languages. |
| 3. |
The primary database model for Redis is Key-Value Store. |
The primary database model for MongoDB is Document Store. |
| 4. |
Redis supported data types are strings, hashes, lists, sets and sorted sets, bit arrays, hyperloglogs and geospatial indexes. Hence, have partial predefined data types. |
MongoDB supported data types are string, integer, double, decimal, boolean, date, object_id, geospatial. Hence, have predefined data types. |
| 5. |
Redis supports secondary indexes with RediSearch module only. |
MongoDB supports secondary indexes without any restrictions. |
| 6. |
The Server-side scripting in Redis is through Lua. |
The Server-side scripting in MongoDB is through JavaScript. |
| 7. |
Redis supports both Master-Slave Replication and Master-Master Replication. |
MongoDB supports only Master-Slave Replication. |
| 8. |
Redis does not support Map Reduce method. |
MongoDB supports Map Reduce method. |
| 9. |
Server operating systems for Redis are BDS, Linux, OS X and Windows. |
Server operating systems for MongoDB are Solaris, Linux, OS X and Windows. |
| 10. |
Some companies like Twinkl Educational Publishing, Merrill Corporation, ASOS.com Limited, Owler, Inc., etc use Redis. |
Some companies like Adobe, Amadeus, Lyft, ViaVarejo, Craftbase, etc use MongoDB. |