Serb vs Next One's On Me
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Serb
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Serb is a cutting-edge unmanned traffic management (UTM) solution designed to optimize the safe and efficient integration of unmanned aerial vehicles (UAVs) into the airspace which is Civil Aviation Authority (CAA) authorized app designed specifically for Oman. With robust features like real-time traffic monitoring, route optimization, airspace compliance checks, and weather tracking, our app ensures your UAV operations are safe, smooth, and fully compliant with regulations. Whether you're a UAV operator, air traffic controller, or logistics provider, Serb offers an intuitive platform for seamless management of airspace and drone traffic.
Next One's On Me
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Taking turns paying for coffee, lunch, or drinks? Next One's On Me keeps it simple and fair. How it works: 1. Open the app in any iMessage conversation 2. Tap "I got this one" when you pay 3. Everyone sees who's up next That's it. No accounts, no syncing, no complicated setup. Just a simple rotation that keeps everyone honest. Perfect for: - Daily coffee runs with coworkers - Lunch buddies who take turns - Splitting rounds at happy hour - Any friends who share expenses The rotation lives right in your iMessage conversation, so everyone stays in the loop. When someone new taps the message and claims a round, they're automatically added. Fair turns. No awkward conversations. No one "forgets" it's their turn.
Screenshots
Verdict
The clearest difference is update cadence: Serb at every 3 weeks against Next One's On Me's every 6 months. Serb also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.6). On price, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Serb ships an update every 3 weeks, Next One's On Me every 6 months. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.
| Parameter | Serb | Next One's On Me |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks โ better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone |
| Requires iOS | 15.1 โ better | 18.6 |
| Further details โ not scored | ||
| Size | 87 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | serb | Big Numbers, Inc. |
In-app purchases
Serb
No in-app purchases
Next One's On Me
No in-app purchases









