Apps like Christella VoiceUp

Here are some great alternatives to Christella VoiceUp by Speechtools Ltd :
PRYDE Voice and Speech Therapy
PRYDE Voice and Speech Therapy
★3.8
Trans Voice Studio
Trans Voice Studio
★4.0
Vocal Image: AI Voice Coach
Vocal Image: AI Voice Coach
★3.2
Voice Tools
Voice Tools
★4.5
Voiser Voiceover Transcription
Voiser Voiceover Transcription
★4.0
Activate Your Voice
Activate Your Voice
★4.7
HelpMeTalk
HelpMeTalk
★3.6
AI Voice: Text to Speech TTS
AI Voice: Text to Speech TTS
★4.2
Vocal Shift Voice Change
Vocal Shift Voice Change
★4.9
Singing Lessons, Sing
Singing Lessons, Sing
★4.3
Voice Changer By Sound Effects
Voice Changer By Sound Effects
★4.3
Voice Changer, Text To Speech
Voice Changer, Text To Speech
★4.5
My Voice Text To Speech (TTS)
My Voice Text To Speech (TTS)
★3.7
AI Voice Editor by Vozo
AI Voice Editor by Vozo
★4.8
AI Voice Changer Sound Effects
AI Voice Changer Sound Effects
★3.9
Singing Lessons: Learn to Sing
Singing Lessons: Learn to Sing
★3.7