# Where this came from The research, the calibration rounds, and what was rejected. > Part of the [Konjo design language](konjo-design-language.md). The laws in the spine apply here unless this chapter contradicts them. 46 apps, 315 App Store screenshots, read image by image. Full notes and citations in the [calibration record](2026-08-22-design-calibration.md); the curated screens live in [reference/](reference/) with attribution in [reference/SOURCES.md](reference/SOURCES.md). | Reference | What we take | What we reject | |---|---|---| | **Nike Run Club** | The hero ratio — a stat bigger than the page title; loudness spent once; secondary stats packed left, value on top | Full-bleed photography as the default hero | | **Things 3** (4.82 / 27.8k) | Two type sizes per screen; grouping by 12pt of space instead of dividers; colour only in a single glyph | Its quietness — Konjo is deliberately louder | | **Apple Health** | Tonal cards with no shadow; inset hairlines; icons as the only colour | Category-coloured headings — Konjo has one accent | | **WHOOP / Oura** | Number-to-label ratio ~4.5:1; airy data layouts; uppercase micro-labels inside cards | Dark-first; gradients and glow as atmosphere | | **Linear** (4.83 / 2k) | Monochrome text with colour only in small icons; zero dividers in the inbox | Desktop density on a phone — **and its label casing**. An earlier version of this row credited Linear for "sentence-case section labels with no letterspacing", which is the exact practice [L5](konjo-design-language.md) forbids: `eyebrow` is the uppercase register and it is the only one. | | **Strava** | The activity-row anatomy; a map as a slim 90pt strip rather than a square | Orange-on-everything | | **Partiful** (4.95 / 233k — highest-rated in the study) | Social proof as overlapped avatars + a plain count; user-authored titles left alone | Iridescent gradients, floating circular RSVP | | **Superhuman** (4.61 / 3.6k) | A flat colour wash to dim background content instead of a scrim + shadow | Photographic backdrops | | **Attio** (G2 4.7) | The table reference for Studio: field-type icons in column headers, ~46pt rows, section labels outside the card group | Card shadows | | **Duolingo** | The streak-and-badge mechanic | Its entire tone, its mascot, and every loss-aversion mechanic | | **Mindbody / Zen Planner / Gymdesk / Spark / MyStudio** | Nothing | Everything — see [anti-patterns](../../.claude/skills/design/references/anti-patterns.md) | ---