When comparing Snapchat vs Disa, the Slant community recommends Disa for most people. In the question“What are the best messaging apps for Android?” Disa is ranked 16th while Snapchat is ranked 33rd.
Ranked in these QuestionsQuestion Ranking
Pro Allows sharing photos, videos and texts that self-destruct
All Snapchat communications disappear after they've been viewed. It creates more interesting conversation when you don't have to worry about consequences as much. Additionally you can doodle on photos.
Pro Includes news
Snapchat includes a Discover page (accessed by two swipes from the right side) where curated list of news and entertainment outlets can put up news from their sites.
Pro Does not get in the way of what it's designed to do
Snapchat is first and foremost a way to share photos so the first thing that the app presents the user with is the camera enabled and ready to take photos. Once photos or videos are taken, it's possible to caption them or draw on them.
Pro Does what it's supposed to do, without bloatware
Pro Open source plugin API
Everyone can develop their own plug-ins.
Pro Easy to use
Disa is very easy to use and has an open source API, so many new services will be added soon.
Pro Customizable notifications
Ability to set different notification sound/vibration/led based on the plugin.
Pro Unified conversations
Ability to merge conversations from the same contact on different services.
Pro Friendly developers and generally good G+ community
Fast, decent replies to questions, even if they've been asked before.
Pro Many requested features
The developer team does actually listen to the community and adds requested features.
Pro Pushbullet support
Disa works great with Pushbullet, allowing you to answer from your PC.
Pro Many languages
Help and support in many languages.
Pro Disa takes privacy much more serious
Currently, the Disa team knows less about you than the website you're currently visiting.
Pro Great material design
With color-changing design with custom colors for each service.
Con Security concerns
In 2013, Snapchat was hacked. As a result phone numbers and usernames of 4.6 million users were published online. That happened after concerns were raised by a security firm weeks before that Snapchat dismissed. Other security concerns were pointed out to Snapchat throughout 2014 including ways that the service could be used for DDOS attacks and how their anti-robot measures can be circumvented.
Snapchat has since implemented two-factor authentication.
Con Non-intuitive UI
The UI space is well used but you'll likely miss a few messages until you understand of the UI works; it's not like the average mobile apps.
Con Does not support Google SMS
Con doesn't support MOST messaging apps
Con Disa doesn't follow the Google Design Guidelines
Hamburger Menu/Navigation Drawer (Side Menu):
Maybe a Launch screen?:
Con Closed source
Disa is closed source, so the development speed is capped of their team, no external developer can help or add features that are not on the route of the team.
Con Doesn't support WhatsApp at the moment
Con Smaller development team leading somewhat slow implementation of requested features
Though the main development (framework, etc) is moving along fine, things like quick reply and sending multiple images at once should've been in quicker.