1) spectral analysis of satellite bands (tvh sadly does't offer this)
2) tuning to multi-stream and T2MI streams
3) much more lightweight than tvh
4) scanning frequencies and satellites transponder bands by blind tuning
5) IQ constellation samples
6) FBC support
and there are few more other interesting things , tvh is popular much more oriented to consumer , neumodvb it's a bit next level dvb app and have the possibility to attract more nerds , exotic feeds hunters and so on.