Here are the solutions to all the levels of Word Spark Apple.

Word Spark Apple Level 1 – Quids, Squid
Word Spark Apple Level 2 – Refix, Fixer

Word Spark Apple Level 3 – Clade, Decal, Laced
Word Spark Apple Level 4 – Paise, Sepia
Word Spark Apple Level 5 – Prims, Prism
Word Spark Apple Level 6 – Filer, Flier, Lifter, Rifle
Word Spark Apple Level 7 – Pursy, Syrup
Word Spark Apple Level 8 – Purls, Slurp
Word Spark Apple Level 9 – Onion
Word Spark Apple Level 10 – Pawns, Spawn
Word Spark Apple Level 11 – Paths, Staph
Word Spark Apple Level 12 – Atoms, Moats, Stoma
Word Spark Apple Level 13 – Rival, Viral
Word Spark Apple Level 14 – Ratty, Tarty
Word Spark Apple Level 15 – Haets, Hates, Haste, Heats
Word Spark Apple Level 16 – Rusty, Yurts

Word Spark Apple Level 17 – Rotch, Torch
Word Spark Apple Level 18 – Arses, Rases, Sears
Word Spark Apple Level 19 – Heirs, Hires, Shier, Shire
Word Spark Apple Level 20 – Issue