Is Omastar good in Pokemon GO?

Yes. Omastar is C-tier for Max Battle attacker and has 1 other ranked role.

Is Omastar a good raid attacker?

Omastar ranks #83 of 294 rock attackers with 11.1 DPS. That is outside the top 15, so it is not a raid priority.

Can Omastar be shiny in Pokemon GO?

Yes. Shiny Omastar is available from evolution, photobomb, raid, research, wild. A shiny is worth keeping for the collection no matter its IVs.

Is Shadow Omastar worth keeping?

Shadow Omastar hits 20% harder and takes 20% more damage. It has no ranked role of its own, so treat it like a normal copy.

#139 · Generation 1

Omastar

rock water

Max CP (L40 / L50): 2,786 / 3,150
Raid catch CP (L20 / L25): 1,592 / 1,990
Research CP (L15): 1,194
Buddy distance: 5 km
2nd charged move: 75,000 dust · 75 candy

Shiny
Shadow
Tradable
Mega
Dynamax

Situational

Omastar has a niche: C-tier Max Battle attacker, C-tier Max Battle tank. Keep one with the right IVs and transfer the rest.

Battle roles

C
Max Battle attackerdynamax#3 Rock · 205 per Max Move
Dynamax Omastar ranks #3 of 11 Rock-type Max attackers: 205 damage per Max Rockfall at level 40 (fast move Rock Throw, needs an Elite TM). Only a copy caught in a Max Battle can use it.
C
Max Battle tankdynamax#49 of 157 tanks
C-tier Max Battle tank (#49 of 157 by Defence × HP): it takes the boss's hits and shields the party with Max Guard.
–
Great Leagueshadow#920 of 1154 · score 61.3
Ranked #920 of 1154; not competitive in Great League.
–
Ultra Leagueshadow#660 of 851 · score 65.2
Ranked #660 of 851; not competitive in Ultra League.
–
Master Leagueshadow#363 of 409 · score 45.2
Ranked #363 of 409; not competitive in Master League.

Collection value

Can Dynamax: only copies caught in Max Battles can Dynamax, so keep at least one Max copy.
Shadow version exists: Shadows hit 20% harder and are worth a raid slot even with low IVs.

Tiers: S = meta-defining, A = strong, B = playable, C = niche. PvP from PvPoke overall rankings; raids from computed DPS/TDO within each attacking type; Max Battles from GO Hub tier lists.

Base stats

Attack207

Defense201

Stamina172

Base stats. Bars are scaled to the strongest Pokemon in the game.

Weak to

grass×2.56
electric×1.6
fighting×1.6
ground×1.6

Resists

fire×0.391
flying×0.625
ice×0.625
normal×0.625
poison×0.625

Evolution line

Omanyte
→50 candyOmastar

Check your Pokemon's IVs

Ranks all 4,096 spreads for each league

Loading IV checker…

PvP rankings (GO Battle League)

League	Tier	Rank	Score	Recommended moves	Typical build
Great League	–	#922 / 1154	60.9	Mud Shot · Rock Slide · Hydro Pump	L20 · 5/14/11
Great LeagueShadow	–	#920 / 1154	61.3	Mud Shot · Rock Slide · Hydro Pump	L20 · 5/14/11
Ultra League	–	#694 / 851	63.5	Mud Shot · Rock Slide · Rock Blast	L36 · 4/15/15
Ultra LeagueShadow	–	#660 / 851	65.2	Mud Shot · Rock Slide · Rock Blast	L36 · 4/15/15
Master League	–	#384 / 409	42.4	Mud Shot · Rock Slide · Rock Blast	L50 · 15/15/15
Master LeagueShadow	–	#363 / 409	45.2	Mud Shot · Rock Slide · Rock Blast	L50 · 15/15/15
Ultra Premier	–	#538 / 689	67.2	Mud Shot · Rock Slide · Rock Blast
Ultra PremierShadow	–	#508 / 689	68.9	Mud Shot · Rock Slide · Rock Blast
Master Premier	–	#222 / 274	53.5	Mud Shot · Rock Slide · Rock Blast	L50 · 15/15/15
Master PremierShadow	–	#238 / 274	51.2	Mud Shot · Rock Slide · Rock Blast	L50 · 15/15/15

Source: PvPoke overall rankings. Score is relative to the league meta (100 = best). Typical build is the IV spread PvPoke assumes.

Max Battles (Dynamax & Gigantamax)

Omastar can Dynamax. Only copies caught in Max Battles (or from Max research) can enter Power Spot battles.

Max Moves

groundMax Quakefrom Mud Shot250 / 300 / 350 power
waterMax Geyserfrom Water Gun250 / 300 / 350 power
rockMax Rockfallfrom Rock Throw250 / 300 / 350 power
Max Guard+20 / +40 / +60 HP shield
Max Spiritheals 8 / 12 / 16% HP

Max Battle roles

AttackerC Dynamax
Tank (Max Guard)C Dynamax

Max Move power is per level 1 / 2 / 3; levels are unlocked with Max Particles and Candy. Tiers are computed from level-3 Max Move damage, Defence × HP and HP at level 40; thresholds on the guide page.

Raid attacker rankings

Attacking type	Tier	Rank	DPS	TDO	Best moves
rockShadow	–	#50 / 294	13.0	204	Rock Throw · Rock SlideElite TM
waterShadow	–	#59 / 283	12.6	197	Rock Throw · Hydro PumpElite TM
water	–	#82 / 283	10.8	202	Rock Throw · Hydro PumpElite TM
rock	–	#83 / 294	11.1	207	Rock Throw · Rock SlideElite TM

Level 40, 15/15/15, neutral target. DPS = damage per second, TDO = total damage output before fainting. Rank is among every Pokemon using that attacking type.

Moves

Fast move	Type	Raid power	Energy	Duration	DPS	PvP power	PvP energy	Speed
Mud Shot	ground	4	+6	0.5s	8.0	3	+9	2 turns
Water GunSTAB	water	5	+5	0.5s	10.0	3	+3	1 turn
Rock ThrowElite TMSTAB	rock	13	+8	1.0s	13.0	8	+5	2 turns

Charged move	Type	Raid power	Energy	Duration	Dmg/energy	PvP power	PvP energy	Effects
Ancient PowerSTAB	rock	70	-33	3.5s	2.12	60	-45	10% chance: +1 own Atk, +1 own Def
Hydro PumpSTAB	water	135	-100	3.5s	1.35	130	-75
Rock BlastSTAB	rock	50	-33	2.0s	1.52	50	-40
Rock SlideElite TMSTAB	rock	75	-50	2.5s	1.50	75	-45

Questions people ask

Is Omastar good in Pokemon GO?: Yes. Omastar is C-tier for Max Battle attacker and has 1 other ranked role.
Should I keep or transfer Omastar?: Omastar has a niche: C-tier Max Battle attacker, C-tier Max Battle tank. Keep one with the right IVs and transfer the rest.
Is Omastar a good raid attacker?: Omastar ranks #83 of 294 rock attackers with 11.1 DPS. That is outside the top 15, so it is not a raid priority.
Can Omastar be shiny in Pokemon GO?: Yes. Shiny Omastar is available from evolution, photobomb, raid, research, wild. A shiny is worth keeping for the collection no matter its IVs.
Is Shadow Omastar worth keeping?: Shadow Omastar hits 20% harder and takes 20% more damage. It has no ranked role of its own, so treat it like a normal copy.

PoGo Dex is free and gets fresh data every week. If it saved you from a bad transfer, you can buy me a coffee.

Donate on Ko-fi

Verdict: Situational