Made tier lists for years on TierMaker and a couple of clones. They all have the same problem on a phone: dragging 90+ portrait cards into S/A/B/C with a thumb is miserable. I’d start one, get to “A tier” with 40 cards still in the queue, and quit.
So I built one that flips it. Two idols at a time, tap the one you bias, an ELO algorithm reads your picks and builds the tier list in the background. ~30 matchups for a clean S→F across a group. No dragging unless you want to override a placement at the end.
99 idols across 15 groups so far: BLACKPINK, BTS, NewJeans, TWICE, Stray Kids, ENHYPEN, IVE, aespa, LE SSERAFIM, SEVENTEEN, ATEEZ, RIIZE, TXT, ILLIT, TWS.
Free covers any single group. Pro ($4.99 one-time, no sub) unlocks all-time bias across every group, by-generation, by-gender, and extra share-card themes (Y2K Chrome, Glitter, Neon). Photos are all Wikimedia Commons. iOS only, no account, all data is on-device.
https://apps.apple.com/us/app/id6767983902
Would love feedback, especially on missing idols/groups or anything that feels off in the matchup pacing.
submitted by /u/esilacynohtna
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