# OLLA Brew Lab: Coffee Roast — Curves, pour over & cupping

> Curves, pour over & cupping (iPhone/iPad app by HU JIANHUA.)

- Source: https://appshunter.io/ios/app/olla-brew-lab-coffee-roast/id6773327451 (this page in markdown: same URL + `.md`)
- Developer: [HU JIANHUA](https://appshunter.io/developer/6773327453)
- Category: Food & Drink, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 135 MB
- Languages: Japanese, Chinese (Simplified, China), American English
- Released: 2026-06-24
- Data updated: 2026-08-25
- User reviews in markdown: https://appshunter.io/ios/app/olla-brew-lab-coffee-roast/id6773327451/reviews.md

## What is OLLA Brew Lab?

OLLA is a specialty coffee companion built around bean cards, brew logs, cupping sheets, and a roast workbench — with a structured coffee reference woven through all of it.

Every bag of beans has its own timeline. OLLA turns each one into a record you can return to, compare, and learn from.

ROAST TO CUP — CURVES IN YOUR POCKET
Import roast curves from Artisan (JSON, .alog, CSV), Giesen, ROEST, IKAWA, Loring, Kaleido, or any generic CSV — nine formats, detected from the file itself. Log a roast live with large buttons for charge, turning point, yellowing, first crack, and drop; development ratio appears in real time after first crack. Replay any curve, compare three batches, follow a reference roast, and carry the beans through to the cup.

SCAN A BAG, GET A BEAN CARD
Photograph the label and OLLA reads origin, variety, process, and roast date on device, then matches them against the built-in reference. Review every field before it is saved. Nothing is uploaded.

BEAN CARDS — YOUR COFFEE RECORDS
One card per bag: variety, process, origin, altitude, estate, roast level, roast date, purchase details, and your own notes. Resting and drinking windows count down on their own, so you know when a bag is at its best.

COFFEE CODEX — THE KNOWLEDGE BEHIND YOUR BEANS
Explore structured, cross-linked entries covering origins, varieties, processing, roasting, equipment, brewing, and sensory evaluation. Reference cards carry flavour radars, lineage charts, processing flows, roast curves, and grading systems — every figure sourced, and left blank where no reliable source exists.

BREW LOGS AND CUPPING SHEETS
Record grind, water temperature, ratio, TDS, extraction yield, timing, and sensory impressions. Score cuppings on the SCA form. Everything links back to the bean it came from.

COFFEE JOURNAL — A REPORT THAT GROWS WITH YOU
The journal turns your records into a personal analytical report: brew rhythm heatmaps, flavor DNA, an origins map, a golden-cup chart, a bean ledger, and milestones. Every figure is derived on device from your own records.

TEN TOOLS AROUND THE CORE
Brew timer with step recipes, recipe library, ratio calculator, extraction-yield calculator, espresso lab, brewing-water recipes, cupping score sheet, grind guide, roast reader, and a flavor wheel.

WIDGETS, REMINDERS, AND SYNC
Home Screen and Lock Screen widgets show the drinking window of a pinned bean, today's ledger, and recent additions. Local reminders tell you when a bag is entering or leaving its peak. iCloud keeps everything in step across your devices.

TRILINGUAL
Use OLLA in English, Simplified Chinese, and Japanese, switchable inside the app.

PRIVATE BY DESIGN
No sign-up required. No tracking, no ads, no analytics. Bean cards, brews, cuppings, notes, and preferences stay on your device and in your own iCloud. Camera and photo access is requested only when you scan a label, and recognition runs entirely on device.

OLLA is a quiet, practical coffee handbook — a place to keep what you have tasted, and to understand it better.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/


## Version history (last 5 releases)

### 1.2.0 — 2026-08-17

• Interface redesign: removed the top navigation bar and introduced large titles across all four main screens
• Home redesigned: weekly cup count, change from last week, 7-day trend, and four key stats now visible at a glance
• Label Scan: scan a coffee bag to instantly read its details together with related Codex information — without creating a bean card
• Global Search: search Codex entries together with your own bean cards, brews, and cupping records in one place
• Fixed cross-links between Chinese and Japanese Codex entries, repaired 31 unresponsive selection fields, and improved performance for long lists

### 1.1.9 — 2026-08-10

The complete home-roasting workbench has landed — one continuous record from green bean to cup.

• Roast workbench: big-button event punching while you roast (charge, yellow, first crack, drop), with the development ratio running live after first crack; field mode goes full-screen for blind punching; Live Activities put the timer on your lock screen and Dynamic Island
• Nine import formats: Artisan (JSON, ALOG, CSV), Giesen, IKAWA, Loring, ROEST, Kaleido and generic CSV; play, speed-shift or scrub any curve with live bean-temp and rate-of-rise readouts
• Compare roasts: overlay two batches channel by channel and choose which channel to read; when a batch lacks that channel it says so rather than drawing a false line
• Roaster catalog: official spec sheets for 35 machines, one tap to set yours up
• Green library and stock: charges draw down green lots, brews draw down roasted cards; finish a roast and mint its bean card in one tap, with cuppings and brews linking back to the batch — and the whole chain exports as a one-bean dossier PDF
• Curve sync via iCloud (Pro): pick up your curves on another device. On by default; long-press any roast in the library to keep it local
• Landscape: the curve viewer, compare and Roast to Cup all rotate to full-width
• A/B brew bench: two parameter sets on the same bean side by side with differences highlighted; the brew timer is rebuilt around cumulative pour weight, with a ruler laying out every pour's target and moment
• New LAB section in the dictionary: long-form dossiers in a category of their own — ALO Coffee, Gesha and the Hong Kong Layer, each a dozen chapters with data figures and commissioned plates, in Chinese, English and Japanese
• Dictionary and tools recalibrated: the flavor wheel returns to SCA's official 85 descriptors; cupping intensity anchors and grinder conversions follow the official figures; the brewer and paper catalog was verified and expanded to 47 brewers and 72 papers
• Export suite: curve sheet PDF, curve PNG, compare exports and a stock report, all in the cupping report's lab style. Cupping reports can carry your shop name and signature (Pro); new lock-screen widgets (Pro)
• On-device AI (requires an Apple Intelligence device; not available in some regions): post-roast summaries, coffee Q&A, taste profile and a brew advisor, all running on your phone. Siri and Shortcuts supported
• OLLA Pro: log as many of your own roasts as you like; importing curves is free up to three, and anything imported stays viewable and comparable forever; iCloud sync is Pro

### 1.1.7 — 2026-07-12

What’s New in Version 1.1.7
This update further strengthens OLLA’s professional workflow for coffee records, reference, and brewing analysis.

• Rebuilt the coffee variety database based on the World Coffee Research catalog, adding agronomic data such as yield, disease resistance, and bean characteristics, along with more coffee varieties and named Robusta lines.
• Improved variety selection: commonly used specialty coffee varieties now appear in a dedicated Popular section when creating bean cards, cupping entries, or brew records, while the full catalog remains available.
• Added a new brewing water formulation tool supporting two-water blending, mineral additions to distilled water, and recipes calculated from SCA water targets. A searchable database of approximately 80 bottled waters is included.
• Added a flavor map and extraction balance chart to visualize water hardness and alkalinity, along with acidity, sweetness, bitterness, and temperature balance. The display also adapts to the roast level of the selected bean card.
• Unified flavor recording with the new Sample Bench color band across brew records, cupping entries, forms, detail pages, share images, and cupping reports.
• Fully optimized major screens for iPad with centered, width-limited layouts while preserving the existing iPhone experience.
• Improved name display in the codex by prioritizing original-language or English names instead of transliterations.
• Improved card expansion animations and fixed background transitions, screen jumps, link flickering, and other stability issues.

### 1.1.6 — 2026-07-06

Two releases in one update: a full recording suite, and a label scanner that fills bean cards for you.

• Scan a bean label: photograph a coffee bag and OLLA reads origin, variety, process, roast, date, altitude, and weight into a new bean card. Recognition runs on your device; the photo is never uploaded. Keep the bag photo as the card cover
• Cupping records: an SCA-style ten-item sheet with dry and break steps, a SPECIALTY stamp at 80 points, and A4 PDF export
• Coffee Journal: your records become a personal analytical report — brew rhythm, flavor DNA, origins map, golden-cup chart, bean ledger, and milestones
• iCloud sync and Sign in with Apple: bean cards, brews, and cuppings follow you across your devices through your own private iCloud; deletions now propagate correctly too
• Coffee Archive: beans, brews, and cuppings in one searchable record hub
• Image sharing: turn any brew, bean, or cupping into a lab-sheet style image for social
• Golden-cup note: brews landing in the golden range get a gold marker with measured values
• Multi-variety blends, custom process entry, and multi-currency prices
• A unified type system, refined buttons and spacing, and a subtle paper-grain texture
• Much faster startup on older devices, plus a frosted-glass dark theme

### 1.1.4 — 2026-07-02

A major upgrade to the in-app coffee dictionary (Codex) — all 8 categories are now fully visual, with more honest data and easier browsing.

• All 8 categories made visual: Origins, Varieties, Processing, Roasting, Estates, Equipment, Brewing and Tasting — parameters, flavor, workflow and lineage at a glance instead of walls of text
• Roasting now has a real temperature–time curve: drying / Maillard / development phases with yellowing, first-crack and second-crack markers
• A 5-dimension processing fingerprint: mucilage retention / fermentation environment & time / drying / final moisture — see how washed, natural, honey and anaerobic really differ
• Cards for Brewing, Equipment and Tasting: brew ratios, water temperature, pour timing, gear specs and scoring systems, clearly laid out
• Variety genealogy trees: ancestors → variety → descendants, with tappable nodes
• More honest flavor radars: fixed many origins and estates that were showing a maxed-out radar, re-rated to their real cup
• A large Japanese-content completion, plus new origin, variety and notable-estate entries
• Various fact and naming corrections, and a fix for the version-history sheet that couldn't scroll

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-25.*