Gyro Ball is learned by 30 species by level and 114 by machine

Effect, in PokéAPI's words

“Power raises when the user has lower Speed, up to a maximum of 150.”

Who learns it

114 species in all, 7 of 12 games shown

Scarlet and Violet: 74 species

Species	Method	Level
Wigglytuff	Level up, Machine	1
Typhlosion	Level up, Machine	1
Magearna	Level up, Machine	1
Hitmontop	Level up, Machine	8
Magnemite	Level up, Machine	16
Magneton	Level up, Machine	16
Bronzor	Level up, Machine	16
Bronzong	Level up, Machine	16
Magnezone	Level up, Machine	16
Varoom	Level up, Machine	17
Revavroom	Level up, Machine	17
Jigglypuff	Level up, Machine	32
Sandshrew	Level up, Machine	36
Pineco	Level up, Machine	42
Sandslash	Level up, Machine	46
Voltorb	Level up, Machine	46
Forretress	Level up, Machine	46
Electrode	Level up, Machine	54
Scream Tail	Level up, Machine	77
Terapagos	Level up, Machine	90
Squirtle	Machine
Wartortle	Machine
Blastoise	Machine
Geodude	Machine
Graveler	Machine
Golem	Machine
Koffing	Machine
Weezing	Machine
Mew	Machine
Dunsparce	Machine
Qwilfish	Machine
Magcargo	Machine
Donphan	Machine
Sableye	Machine
Torkoal	Machine
Glalie	Machine
Metang	Machine
Metagross	Machine
Rayquaza	Machine
Drifloon	Machine
Drifblim	Machine
Tepig	Machine
Pignite	Machine
Emboar	Machine
Solosis	Machine
Duosion	Machine
Reuniclus	Machine
Golett	Machine
Golurk	Machine
Quilladin	Machine
Chesnaught	Machine
Carbink	Machine
Bergmite	Machine
Avalugg	Machine
Diancie	Machine
Volcanion	Machine
Passimian	Machine
Minior	Machine
Solgaleo	Machine
Necrozma	Machine
Skwovet	Machine
Greedent	Machine
Rolycoly	Machine
Carkol	Machine
Coalossal	Machine
Appletun	Machine
Perrserker	Machine
Duraludon	Machine
Overqwil	Machine
Dudunsparce	Machine
Iron Treads	Machine
Dipplin	Machine
Archaludon	Machine
Hydrapple	Machine

Brilliant Diamond and Shining Pearl: 49 species

Species	Method	Level
Wigglytuff	Level up, Machine	1
Typhlosion	Level up, Machine	1
Hitmontop	Level up, Machine	8
Magnemite	Level up, Machine	16
Magneton	Level up, Machine	16
Bronzor	Level up, Machine	16
Bronzong	Level up, Machine	16
Magnezone	Level up, Machine	16
Jigglypuff	Level up, Machine	32
Sandshrew	Level up, Machine	36
Pineco	Level up, Machine	42
Sandslash	Level up, Machine	46
Voltorb	Level up, Machine	46
Forretress	Level up, Machine	46
Electrode	Level up, Machine	54
Squirtle	Machine
Wartortle	Machine
Blastoise	Machine
Geodude	Machine
Graveler	Machine
Golem	Machine
Onix	Machine
Koffing	Machine
Weezing	Machine
Staryu	Machine
Starmie	Machine
Omanyte	Machine
Omastar	Machine
Mew	Machine
Dunsparce	Machine
Steelix	Machine
Qwilfish	Machine
Shuckle	Machine
Magcargo	Machine
Donphan	Machine
Miltank	Machine
Sableye	Machine
Torkoal	Machine
Lunatone	Machine
Solrock	Machine
Baltoy	Machine
Claydol	Machine
Glalie	Machine
Metang	Machine
Metagross	Machine
Rayquaza	Machine
Drifloon	Machine
Drifblim	Machine
Lickilicky	Machine

Sword and Shield: 87 species

Species	Method	Level
Wigglytuff	Level up, Machine	1
Magearna	Level up, Machine	1
Hitmontop	Level up, Machine	8
Magnemite	Level up, Machine	16
Magneton	Level up, Machine	16
Bronzor	Level up, Machine	16
Bronzong	Level up, Machine	16
Magnezone	Level up, Machine	16
Dhelmise	Level up, Machine	20
Jigglypuff	Level up, Machine	32
Sandshrew	Level up, Machine	36
Ferroseed	Level up, Machine	45
Sandslash	Level up, Machine	46
Ferrothorn	Level up, Machine	49
Squirtle	Machine
Wartortle	Machine
Blastoise	Machine
Onix	Machine
Koffing	Machine
Weezing	Machine
Staryu	Machine
Starmie	Machine
Omanyte	Machine
Omastar	Machine
Mew	Machine
Dunsparce	Machine
Steelix	Machine
Qwilfish	Machine
Shuckle	Machine
Miltank	Machine
Sableye	Machine
Torkoal	Machine
Lunatone	Machine
Solrock	Machine
Baltoy	Machine
Claydol	Machine
Glalie	Machine
Metang	Machine
Metagross	Machine
Rayquaza	Machine
Drifloon	Machine
Drifblim	Machine
Lickilicky	Machine
Munna	Machine
Musharna	Machine
Woobat	Machine
Swoobat	Machine
Venipede	Machine
Whirlipede	Machine
Scolipede	Machine
Darumaka	Machine
Darmanitan	Machine
Solosis	Machine
Duosion	Machine
Reuniclus	Machine
Golett	Machine
Golurk	Machine
Honedge	Machine
Doublade	Machine
Aegislash	Machine
Spritzee	Machine
Aromatisse	Machine
Carbink	Machine
Pumpkaboo	Machine
Gourgeist	Machine
Bergmite	Machine
Avalugg	Machine
Diancie	Machine
Volcanion	Machine
Passimian	Machine
Togedemaru	Machine
Solgaleo	Machine
Buzzwole	Machine
Celesteela	Machine
Guzzlord	Machine
Necrozma	Machine
Stakataka	Machine
Meltan	Machine
Melmetal	Machine
Skwovet	Machine
Greedent	Machine
Rolycoly	Machine
Carkol	Machine
Coalossal	Machine
Appletun	Machine
Perrserker	Machine
Duraludon	Machine

Ultra Sun and Ultra Moon: 93 species

Species	Method	Level
Typhlosion	Level up, Machine	1
Dhelmise	Level up, Machine	14
Onix	Level up, Machine	20
Steelix	Level up, Machine	20
Ferroseed	Level up, Machine	21
Ferrothorn	Level up, Machine	21
Staryu	Level up, Machine	24
Koffing	Level up, Machine	29
Weezing	Level up, Machine	29
Sandshrew	Level up, Machine	34
Jigglypuff	Level up, Machine	35
Bronzor	Level up, Machine	35
Bronzong	Level up, Machine	36
Sandslash	Level up, Machine	38
Miltank	Level up, Machine	41
Pineco	Level up, Machine	42
Hitmontop	Level up, Machine	42
Voltorb	Level up, Machine	46
Forretress	Level up, Machine	46
Magnemite	Level up, Machine	47
Electrode	Level up, Machine	54
Magneton	Level up, Machine	59
Magnezone	Level up, Machine	59
Lickilicky	Level up, Machine	61
Squirtle	Machine
Wartortle	Machine
Blastoise	Machine
Wigglytuff	Machine
Geodude	Machine
Graveler	Machine
Golem	Machine
Starmie	Machine
Omanyte	Machine
Omastar	Machine
Mew	Machine
Dunsparce	Machine
Qwilfish	Machine
Shuckle	Machine
Magcargo	Machine
Donphan	Machine
Torkoal	Machine
Lunatone	Machine
Solrock	Machine
Baltoy	Machine
Claydol	Machine
Glalie	Machine
Metang	Machine
Metagross	Machine
Rayquaza	Machine
Drifloon	Machine
Drifblim	Machine
Tepig	Machine
Pignite	Machine
Emboar	Machine
Munna	Machine
Musharna	Machine
Woobat	Machine
Swoobat	Machine
Venipede	Machine
Whirlipede	Machine
Scolipede	Machine
Darumaka	Machine
Darmanitan	Machine
Solosis	Machine
Duosion	Machine
Reuniclus	Machine
Golett	Machine
Golurk	Machine
Chespin	Machine
Quilladin	Machine
Chesnaught	Machine
Honedge	Machine
Doublade	Machine
Aegislash	Machine
Spritzee	Machine
Aromatisse	Machine
Carbink	Machine
Pumpkaboo	Machine
Gourgeist	Machine
Bergmite	Machine
Avalugg	Machine
Diancie	Machine
Volcanion	Machine
Passimian	Machine
Minior	Machine
Togedemaru	Machine
Solgaleo	Machine
Buzzwole	Machine
Celesteela	Machine
Guzzlord	Machine
Necrozma	Machine
Magearna	Machine
Stakataka	Machine

Sun and Moon: 92 species

Species	Method	Level
Typhlosion	Level up, Machine	1
Dhelmise	Level up, Machine	14
Onix	Level up, Machine	20
Steelix	Level up, Machine	20
Ferroseed	Level up, Machine	21
Ferrothorn	Level up, Machine	21
Staryu	Level up, Machine	24
Koffing	Level up, Machine	29
Weezing	Level up, Machine	29
Sandshrew	Level up, Machine	34
Jigglypuff	Level up, Machine	35
Bronzor	Level up, Machine	35
Bronzong	Level up, Machine	36
Sandslash	Level up, Machine	38
Miltank	Level up, Machine	41
Pineco	Level up, Machine	42
Hitmontop	Level up, Machine	42
Voltorb	Level up, Machine	46
Forretress	Level up, Machine	46
Magnemite	Level up, Machine	47
Electrode	Level up, Machine	54
Magneton	Level up, Machine	59
Magnezone	Level up, Machine	59
Lickilicky	Level up, Machine	61
Squirtle	Machine
Wartortle	Machine
Blastoise	Machine
Wigglytuff	Machine
Geodude	Machine
Graveler	Machine
Golem	Machine
Starmie	Machine
Omanyte	Machine
Omastar	Machine
Mew	Machine
Dunsparce	Machine
Qwilfish	Machine
Shuckle	Machine
Magcargo	Machine
Donphan	Machine
Torkoal	Machine
Lunatone	Machine
Solrock	Machine
Baltoy	Machine
Claydol	Machine
Glalie	Machine
Metang	Machine
Metagross	Machine
Rayquaza	Machine
Drifloon	Machine
Drifblim	Machine
Tepig	Machine
Pignite	Machine
Emboar	Machine
Munna	Machine
Musharna	Machine
Woobat	Machine
Swoobat	Machine
Venipede	Machine
Whirlipede	Machine
Scolipede	Machine
Darumaka	Machine
Darmanitan	Machine
Solosis	Machine
Duosion	Machine
Reuniclus	Machine
Golett	Machine
Golurk	Machine
Chespin	Machine
Quilladin	Machine
Chesnaught	Machine
Honedge	Machine
Doublade	Machine
Aegislash	Machine
Spritzee	Machine
Aromatisse	Machine
Carbink	Machine
Pumpkaboo	Machine
Gourgeist	Machine
Bergmite	Machine
Avalugg	Machine
Diancie	Machine
Volcanion	Machine
Passimian	Machine
Minior	Machine
Togedemaru	Machine
Solgaleo	Machine
Buzzwole	Machine
Celesteela	Machine
Guzzlord	Machine
Necrozma	Machine
Magearna	Machine

Omega Ruby and Alpha Sapphire: 82 species

Species	Method	Level
Typhlosion	Level up, Machine	1
Onix	Level up, Machine	20
Steelix	Level up, Machine	20
Ferroseed	Level up, Machine	21
Ferrothorn	Level up, Machine	21
Staryu	Level up, Machine	24
Koffing	Level up, Machine	29
Sandshrew	Level up, Machine	34
Bronzor	Level up, Machine	35
Bronzong	Level up, Machine	36
Sandslash	Level up, Machine	38
Jigglypuff	Level up, Machine	40
Miltank	Level up, Machine	41
Pineco	Level up, Machine	42
Hitmontop	Level up, Machine	42
Voltorb	Level up, Machine	46
Magnemite	Level up, Machine	47
Forretress	Level up, Machine	50
Electrode	Level up, Machine	54
Magneton	Level up, Machine	59
Magnezone	Level up, Machine	59
Lickilicky	Level up, Machine	61
Squirtle	Machine
Wartortle	Machine
Blastoise	Machine
Wigglytuff	Machine
Geodude	Machine
Graveler	Machine
Golem	Machine
Weezing	Machine
Starmie	Machine
Omanyte	Machine
Omastar	Machine
Mew	Machine
Dunsparce	Machine
Qwilfish	Machine
Shuckle	Machine
Magcargo	Machine
Donphan	Machine
Torkoal	Machine
Lunatone	Machine
Solrock	Machine
Baltoy	Machine
Claydol	Machine
Glalie	Machine
Metang	Machine
Metagross	Machine
Rayquaza	Machine
Drifloon	Machine
Drifblim	Machine
Tepig	Machine
Pignite	Machine
Emboar	Machine
Munna	Machine
Musharna	Machine
Woobat	Machine
Swoobat	Machine
Venipede	Machine
Whirlipede	Machine
Scolipede	Machine
Darumaka	Machine
Darmanitan	Machine
Solosis	Machine
Duosion	Machine
Reuniclus	Machine
Golett	Machine
Golurk	Machine
Chespin	Machine
Quilladin	Machine
Chesnaught	Machine
Honedge	Machine
Doublade	Machine
Aegislash	Machine
Spritzee	Machine
Aromatisse	Machine
Carbink	Machine
Pumpkaboo	Machine
Gourgeist	Machine
Bergmite	Machine
Avalugg	Machine
Diancie	Machine
Volcanion	Machine

X and Y: 82 species

Species	Method	Level
Typhlosion	Level up, Machine	1
Onix	Level up, Machine	20
Steelix	Level up, Machine	20
Ferroseed	Level up, Machine	21
Ferrothorn	Level up, Machine	21
Koffing	Level up, Machine	29
Staryu	Level up, Machine	30
Sandshrew	Level up, Machine	34
Sandslash	Level up, Machine	34
Bronzor	Level up, Machine	35
Bronzong	Level up, Machine	36
Jigglypuff	Level up, Machine	37
Miltank	Level up, Machine	41
Pineco	Level up, Machine	42
Hitmontop	Level up, Machine	42
Voltorb	Level up, Machine	43
Forretress	Level up, Machine	50
Electrode	Level up, Machine	51
Magnemite	Level up, Machine	53
Lickilicky	Level up, Machine	61
Magneton	Level up, Machine	67
Magnezone	Level up, Machine	67
Squirtle	Machine
Wartortle	Machine
Blastoise	Machine
Wigglytuff	Machine
Geodude	Machine
Graveler	Machine
Golem	Machine
Weezing	Machine
Starmie	Machine
Omanyte	Machine
Omastar	Machine
Mew	Machine
Dunsparce	Machine
Qwilfish	Machine
Shuckle	Machine
Magcargo	Machine
Donphan	Machine
Torkoal	Machine
Lunatone	Machine
Solrock	Machine
Baltoy	Machine
Claydol	Machine
Glalie	Machine
Metang	Machine
Metagross	Machine
Rayquaza	Machine
Drifloon	Machine
Drifblim	Machine
Tepig	Machine
Pignite	Machine
Emboar	Machine
Munna	Machine
Musharna	Machine
Woobat	Machine
Swoobat	Machine
Venipede	Machine
Whirlipede	Machine
Scolipede	Machine
Darumaka	Machine
Darmanitan	Machine
Solosis	Machine
Duosion	Machine
Reuniclus	Machine
Golett	Machine
Golurk	Machine
Chespin	Machine
Quilladin	Machine
Chesnaught	Machine
Honedge	Machine
Doublade	Machine
Aegislash	Machine
Spritzee	Machine
Aromatisse	Machine
Carbink	Machine
Pumpkaboo	Machine
Gourgeist	Machine
Bergmite	Machine
Avalugg	Machine
Diancie	Machine
Volcanion	Machine