LastSeen is a utility app in the productivity category that helps you track when your contacts were last online. I found this app while browsing Google Play and decided to download it because I was curious about who was active. The app works on Android and you can install it for free. It does not ask you to register an account right away, which I liked. It shows a simple list of your contacts and their last seen times from apps like WhatsApp and Messenger. It has been around for a few years and has over 100,000 installs on Google Play. I did notice some ads when using it, but they are not too annoying. There are no in app purchases that I have seen, so the full features are available after download.

When you open the app, you just grant permission to read your notifications. After that, it quietly runs in the background and updates the last seen info. I use it every day to check when my friends were last online without opening the chat apps. A simple tip is to keep the app open in the background for real time updates. You can also sort contacts by name or recent activity. For beginners, just install it and let it run. It does not need any complicated setup. The app also shows a timeline of activity, which helps you see patterns. I like that it does not drain the battery much. Just make sure to allow notification access, or it won't work.

Compared to similar apps like TrueLastSeen or LastSeen Tracker, I prefer LastSeen because it is simpler. TrueLastSeen has more features but also more ads and a cluttered interface. LastSeen feels cleaner and faster. Another app called WhoViewed also exists on Google Play, but it asks for too many permissions. LastSeen only needs notification access, which feels safer. I have tried a few others, but this one is the most reliable for tracking last seen times. It updates quickly and does not crash. For a free app on Google Play, it does the job well. I would recommend it to anyone who wants to stay updated without opening multiple apps.

• 📱 The main function of LastSeen is to monitor and display the last seen time of your contacts from messaging apps. It works by reading your notifications so you do not have to check each app manually. Compared to TrueLastSeen, LastSeen does this more smoothly and with less lag.
• 📱 Another key feature is the activity timeline, which shows when a contact was online over the past few hours or days. This helps you see patterns. Similar apps like WhoViewed offer a timeline too, but LastSeen keeps it simpler and easier to read.
• 📱 You can also sort your contact list by name or by recent activity. This makes it easy to see who was just online. Other apps like LastSeen Tracker have sorting options as well, but LastSeen is faster when you open it.
• 📱 The app runs quietly in the background and updates automatically. You do not need to keep opening it. This is a big plus over similar apps that sometimes stop updating if you do not interact with them. LastSeen feels more reliable for daily use.

• 👍 The app updates very quickly after a contact comes online. I noticed this right after I downloaded it. Other apps I tried on Google Play often had delays, but LastSeen shows changes almost instantly.
• 👍 The interface is clean and not cluttered. You see only the info you need. Apps like TrueLastSeen have too many buttons and menus, which can be confusing for new users.
• 👍 It uses very little battery. I was worried when I installed it, but after using it for days, my phone battery did not drain faster. Similar apps often consume more power in the background.

• 👎 The app could improve by adding a dark mode. Many similar apps on Google Play have this feature, but LastSeen only offers a light theme, which can be harsh at night.
• 👎 Sometimes the app does not refresh if you clear your notifications. Other apps handle this better. It would be helpful if LastSeen had a manual refresh button for such cases.