With Converter App, you can convert 3GPP files into many other formats:
3GPP to MP4 | 3GPP to MP3 | 3GPP to M4A | 3GPP to WAV | 3GPP to MKV | 3GPP to WEBM | 3GPP to AVI | 3GPP to FLAC
→ All 3GPP Converters
If you want to keep working with your final MOV, try:
MOV to MP4 | MOV to MP3 | MOV to GIF | MOV to JPG | MOV to WEBM | MOV to SRT | MOV to DOCX | MOV to TXT
→ All MOV Converters