1. AirBrush

   • Key Features:
     • Skin smoothing
     • Blemish and acne removal
     • Teeth whitening
     • Eye brightening
     • Makeup tools
   • Pros: Intuitive interface specifically designed for beauty and portrait retouching.
   • Cons: Some features require in-app purchases.

2. Facetune2

   • Key Features:
     • Detailed skin retouching (smoothing, sculpting)
     • Teeth whitening and eye enhancement
     • Reshaping tools
     • Makeup application
   • Pros: Comprehensive suite for facial enhancements with professional-quality results.
   • Cons: Advanced features require a subscription.

3. Snapseed

   • Key Features:
     • Healing tool for blemish removal
     • Selective adjustments
     • Portrait enhancement tools (such as Glamour Glow)
     • Detail and structure adjustments
   • Pros: Free with powerful, precise editing capabilities; good for overall photo enhancement.
   • Cons: Slight learning curve for mastering all features.

4. Adobe Lightroom

   • Key Features:
     • Advanced color grading and correction
     • Detail enhancement (sharpness, noise reduction)
     • Presets for portraits
     • Spot removal and healing brush
   • Pros: Professional-grade editing tools with cloud integration.
   • Cons: Some features are behind a subscription; complex for beginners.

5. BeautyPlus

   • Key Features:
     • Skin smoothing
     • Blemish and wrinkle removal
     • Makeup effects
     • Facial feature adjustments
   • Pros: Easy to use with a focus on beauty enhancements and fun filters.
   • Cons: Ads in the free version; additional features require in-app purchases.

Summary

• AirBrush and Facetune2 are excellent for detailed beauty retouching and makeup effects.
• Snapseed provides powerful, precise tools for general photo and portrait retouching.
• Adobe Lightroom excels in professional-level color and detail enhancement.
• BeautyPlus offers user-friendly beauty enhancements and fun filters.

Choosing the best app depends on whether you need advanced beauty-specific tools, professional editing capabilities, or a user-friendly experience.