: Official apps from the Google Play Store undergo security scans. A modified APK like "GOM-Player-AdFree-164" is distributed through unofficial channels, meaning the person who removed the ads could have easily inserted a malicious payload (spyware or keyloggers).
: Encouraging users to pay for a "Pro" version. GOM-Player-AdFree-164apk
From an economic perspective, the proliferation of ad-free mods creates a "parasitic" relationship with developers. If the most engaged users bypass the monetization layer, the incentive to maintain the software diminishes. However, the counter-argument suggests that if developers made their "Pro" versions more accessible or their "Free" versions less intrusive, the demand for these "underground" APKs would evaporate. Conclusion : Official apps from the Google Play Store