Voice Builder vs Ella

--RANKED IN TOP 100 MUSIC APPS WORLDWIDE!*-- Voice Builder™ is a breakthrough iOS application for bringing power, resonance, range, flexibility, and endurance to the singing or speaking voice. It is the only application of its kind to be based on The Catona Voice Building System™, the revolutionary vocal exercise program for developing the muscles of the human voice. The Catona Voice Building System is the brainchild of renowned voice builder Gary Catona, who has trained many of today’s most successful singers and entertainers, including: - Whitney Houston - Andrea Bocelli - Babyface - Sade - Seal - Usher - Shakira - Lenny Kravitz - Tony Bennett - Lionel Ritchie - And many others KEY FEATURES: - Neutral Tone Technology™: Instead of vocalizing to a pre-recorded human voice (and its imperfections), you instead vocalize to a tone that is always in perfect pitch. 
- Voice-building exercises play automatically with a simple touch of a button. 
 - Volume & pitch guides provide an effective visual aid in performing voice-building exercises in the correct pitch and volume.
 - Over 20 voice-building sessions for both male and female singers and speakers. A setup wizard makes choosing the right voice-building session quick & easy. 
- Gary Catona guides you every step of the way with audio commands and numerous video demonstrations. 
 - A short video tutorial gets you up to speed quickly on both The Catona Voice Building System and the Voice Builder application. Long considered a well-guarded secret in the entertainment industry, Voice Builder now makes the Catona Voice Building System available to the world by means of an elegant, innovative, and intuitive application which is a pleasure to use, whether it be at home or on-the-go. To learn more about Gary Catona and The Catona Voice Building System, visit www.garycatona.com. *on 7/25/12

Ella is a sight-singing ear-training app that helps you improve your musical ear with fun and engaging exercises. It uses the microphone to detect your pitch and provide accurate evaluation and feedback. The tuner’s pitch detection helps you to adjust your singing. Features: - Wide variety of exercises - On-screen tuner in every exercise - Intonation and interval evaluation - Detailed graph of your singing pitch - Practice mode lets you listen before playing - Play mode that tests your skills - High-score tracking for each exercise - Leaderboard for each exercise collection Ella gives you a detailed analysis of your performance on intonation and intervals and lets you further visualize it through graphs. The intonation score is based on how accurately you sang the pitch of each note. The interval score is based on how accurately you sang each interval. Ella teaches sight-singing and music-reading with a cutting-edge experience that includes a wide variety of exercises. Follow the learning path to navigate musical concepts from beginner to advanced. Use practice mode to nail your singing performance. Use play mode to achieve your personal best and appear on the global leaderboards and to compete with friends.