Sorry I missed this. As far as I am aware, there should be descriptive text that explains but I'll have that checked by the devs, each should include:
AmpliTube 4 Bundle:
This bundle includes all the new features in AmplITube 4:
- Looper
- Dual Mic Positioning
- 16 New Microphones
and
AmpliTube Essentials Bundle:
- Bass Amp
- British Copper 30 TB
- Clean Amp
- Crunch Amp
- Metal Amp
- Electric Flanger
- Phazer
- Swell
- Chorus
- Envelope Filter
- Flanger
- Fuzz
- Octave
- Overdrive
- Wah
(5 amps, 10 FX)