Compare two packs

Pick two packs to see what they share, what is unique to each, and which mods they ship at different versions. Libraries are left out: they don't change how a pack plays.

In both: 301
Only in FTB Skies 2: 62
Only in FTB Skies 2: Aero: 101
Same mod, different version: 17

The two packs at a glance

	FTB Skies 2	FTB Skies 2: Aero
Minecraft version	1.21.1	1.21.1
Mod loader	NeoForge	NeoForge
Mods	432	477
Quests	2,194	1,595
Guides	364	399
Newest release	1.24.0 · Oct 12, 2026	1.13.0 · Sep 28, 2026

Comparing FTB Skies 2 1.24.0 with FTB Skies 2: Aero 1.13.0.

Only in FTB Skies 2

Only in FTB Skies 2: Aero

In both

Mods both FTB Skies 2 and FTB Skies 2: Aero ship. They can still behave differently, because each pack sets its own recipes and configs.

Same mod, different version

A different version can mean different recipes, machines or balance. The guides say what each pack changed.

Mod	FTB Skies 2	FTB Skies 2: Aero
	2.3.0	2.2.0
	2.11.0	2.10.1
	0.7.10.3	0.7.10.1
	1.21.1-1.4.3	1.21.1-1.4.2
	3.9.14	3.9.12
	2101.1.37	2101.1.36
	1.8.12-snapshot+mc1.21.1-local	1.8.14-beta.1+mc1.21.1
	1.20.7	1.20.3
	3.3.0	3.2.1
	7.22	7.21
	3.4.0	3.3.1
	0.10.7.6	0.12.8
	3.26.6	3.26.3
	1.5.2	1.5.1
	1.6.0	1.5.91
	2.0.42	2.0.41
	1.1.1	1.0.18+c