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The difference between tenths of a gram in an extraction yield percentage reading is also considerable at around a quarter of a percent. \n\nOf course most people brewing coffee are not currently using a scale with readings to the hundredth of a gram, but if the app allowed for such, there would almost certainly be an eventual increase in the amount of people who found it a useful tweak. After all, there are more brewers now who are aiming for previously unattainable levels of accuracy in their brewing and charting methods.","version":"","date":"2020-05-14T00:00:00Z","rating":4,"app_id":351660247,"username":"esoterrestrial","title":"A Useful Tweak","country":"US","tags":["game_progression","monetization"],"review_id":5942528162},{"content":"you have put so much in to this, could you find the heart to UPDAT? Now crashing on entry with iOS 15 on iPhone 13. 3 stars because I still have hope!😁","version":"","date":"2022-10-22T00:00:00Z","rating":3,"app_id":351660247,"username":"Bill of Eureka","title":"Oh please kind 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on Any Network","custom_fields_filter_id":{"errors":["Invalid params values: [nil], name: \"Advertised on Any Network\""]}},"categories":[{"name":"Food & Drink","id":6023},{"name":"Lifestyle","id":6012}],"content_rating":"4+","description":{"full_description":"PROFESSIONAL COFFEE TOOLS for the BARISTA, SPECIALTY ROASTER and COFFEE BEVERAGE EQUIPMENT DESIGNER

Best New Product SCAA EXPO 2010

VST CoffeeTools™ allows professional and home users to quickly compute proper brew formulas using any method of brewing coffee or espresso. Used with a coffee refractometer (not included) VST CoffeeTools will apply measurements of brew formula and coffee TDS to compute normalized extraction yield – a crucial metric for ensuring the sweetest coffee and espresso.

COFFEE BREWED TO GOLD CUP STANDARDS
•Use VST CoffeeTools™ with any VST coffee refractometer to compute brew recipes and measure results to meet internationally accepted Gold Cup standards as practiced by the Specialty Coffee Associations of America (SCAA) and Europe (SCAE), as well as the Norwegian Coffee Association (NCA) and European Coffee Brewing Center (ECBC).

COMMUNICATE
•Recipes & Measurements can be eMailed and shared with customers, clients and colleagues for quick, detailed communication of all brewing parameters. Full database sorting, import and export is supported.

COFFEE MODE
•VST CoffeeTools™ for Coffee offers professional baristas and specialty roasters the tools to design, measure, diagnose and refine any brew method to ensure excellence in coffee brewing.
•Metric, English (U.S. Custom) or mixed units, and conversions of weights and volume is fully supported.
•Compatible with all drip and immersion brewing methods and works with any VST Coffee refractometer displaying % TDS to 0.01% – temperature corrected for coffee. Accuracy recommended: +/- 0.05% or better.
•Save, share, import measurements and details, including TDS, Ext Yield, Dose, Brew Formula, CO2, Moisture, Brew Time, Brew Method, Temperature, Pre-Infusion, Grinder/Setting, Roaster, Roast Style, Farm/Farmer, Barista Name/Notes and much more.

COFFEE LITE MODE (discontinued)

ESPRESSO MODE
•VST CoffeeTools™ for Espresso offers professional baristas and specialty roasters the tools to design, measure, diagnose and refine espresso extraction.
•Eliminate sour or bitter shot defects by making adjustments to quickly dial in measured Extraction Yield.
•Presets for Single, Double or Triple shots as Normale, Lungo or Ristretto can be loaded and custom preset for personal preferences.
•Works with any VST Coffee refractometer displaying % TDS to 0.01% or 0.1% – temperature corrected for coffee. Accuracy recommended: +/- 0.1 % TDS or better.
•Save, share, import measurements and details, including TDS, Yield, Dose, Brew Formula, Shot Time, Temperature, Pressure, Pre-Infusion, Grinder/Setting, Roaster, Roast Style, Farm/Farmer, Barista Name/Notes and much more.

SUGAR MODE
• Sugar mode allows beverage industry professionals to measure Sucrose, Glucose, Fructose and Invert Sugars at any temperature from 15-40 Deg C for use in concentrates and related sugar-based beverages.
•Simply enter Refractive Index and Temperature from any refractometer to compute and displays all values for Specific Gravity, Density, Total Weight, Mass Fraction and Dry Substance weight.
•VST CoffeeTools™ for Sugars is accurate to +/- 0.00003 nD per ICUMSA Tables (1998 & 2000). Final accuracy depends on accuracy of instrument.

CORN MODE
•CORN mode allows beverage industry professionals to measure High Fructose Corn Syrups HFCS42 and HFCS55 at any temperature from 10-50 Deg C for use in concentrates and related HFCS-based beverages.
•Simply enter the Refractive Index and TEMP from any refractometer to compute and displays all values for Specific Gravity, Density, Total Weight, Mass Fraction and Dry Substance weight.
•VST CoffeeTools™ for CORN Syrups has been tested against the Corn Refiners Association tables for syrup composition, and is fit to be accurate to better than +/- 0.0001 nD and less than +/- 0.02 % Mass Fraction. Final accuracy depends on accuracy of instrument.","app_summary":"'VST CoffeeTools', published by a US-based company and offers in-app purchases ranging from $5.99 to $29.99 per item. The app was last updated on 22 September 2018. Released in US on 01 April 2010 and globally on 01 April 2010. 'VST CoffeeTools' belongs to the 'Food & Drink' category maintaining a content rating of '4+'. Last month's estimates were < 5k downloads and < $5k revenue. The app is available in South Korea, China, and Australia but not being advertised actively. Sign up / Sign in to learn more about the time spent, session durations, usage & engagement (DAU, WAU, MAU), retention, churn, marketshare, growth trends, and other market statistics.","subtitle":"","promo_text":""},"has_in_app_purchases":true,"installs":null,"language":"EN","support_url":"http://vstapps.com/blog-2/category/support/","top_countries":["KR","CN","AU"],"valid_countries":["AE","AO","AR","AT","AU","AZ","BE","BF","BG","BH","BJ","BO","BR","BY","CA","CG","CH","CI","CL","CM","CN","CO","CR","CY","CZ","DE","DK","DO","DZ","EC","EE","EG","ES","FI","FR","GB","GE","GH","GR","GT","HK","HR","HU","ID","IE","IL","IN","IQ","IT","JO","JP","KE","KH","KR","KW","KZ","LA","LB","LK","LT","LU","LV","LY","MA","ML","MM","MO","MT","MX","MY","MZ","NG","NI","NL","NO","NZ","OM","PA","PE","PH","PK","PL","PT","PY","QA","RO","RS","RU","SA","SE","SG","SI","SK","SN","SV","TH","TN","TR","TW","TZ","UA","UG","US","UY","UZ","VE","VN","YE","ZA","ZM","ZW"],"available_countries":["DZ","AO","AZ","BB","BY","BM","GH","NG","OM","UA","UZ","US","AU","CA","CN","FR","DE","GB","IT","JP","KR","RU","AR","AT","BE","BR","BG","CL","CO","CR","HR","CZ","DK","DO","EC","EG","SV","FI","GR","GT","HK","HU","IN","ID","IE","IL","KZ","KE","KW","LB","LT","LU","MO","MG","MY","MX","NL","NZ","NO","PK","PA","PE","PH","PL","PT","QA","RO","SA","SG","SK","SI","ZA","ES","LK","SE","CH","TW","TH","TN","TR","AE","UY","VE","VN","BO","EE","LV","NI","PY","KH","AF","GE","IQ","LY","MA","MZ","MM","YE","BH","CY","MT","RS","BJ","BF","CM","CG","CI","JO","LA","ML","SN","TZ","UG","ZM","ZW"],"pre_order_countries":[],"website_url":"http://store.vstapps.com/","app_id":351660247,"app_view_url":"/ios/us/vst/app/vst-coffeetools-for-iphone/351660247/","country":"US","icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple118/v4/7b/88/81/7b88810a-c06e-885f-66cf-b822c9a408bb/AppIcon-0-1x_U007emarketing-0-0-GLES2_U002c0-512MB-sRGB-0-0-0-85-220-0-0-0-5.png/150x150bb.jpg","name":"VST CoffeeTools for iPhone","os":"ios","price":{"currency":"USD","value":0,"string_value":"$0.00","subunit_to_unit":100},"publisher_id":351660250,"publisher_name":"VST","publisher_profile_url":"/publisher/ios/351660250","rating":2.266666666666667,"rating_breakdown":[8,1,2,2,2],"rating_count":15,"country_release_date":1270105200000,"current_version":"1.4.1","file_size":13927424,"first_released_in":["US","AU","CA","CN","FR","DE","GB","IT","JP","KR","RU","AR","AT","BE","BR","BG","CL","CO","CR","HR","CZ","DK","DO","EC","EG","SV","FI","GR","GT","HK","HU","IN","ID","IE","IL","KZ","KE","KW","LB","LT","LU","MO","MG","MY","MX","NL","NZ","NO","PK","PA","PE","PH","PL","PT","QA","RO","SA","SG","SK","SI","ZA","ES","LK","SE","CH","TW","TH","TN","TR","AE","UY","VE","VN","EE","LV","NI","PY","MT","JO","ML","SN","UG"],"minimum_os_version":"9.3","publisher_country":"US","recent_release_date":1537574400000,"release_date":1270105200000,"release_status":"WORLDWIDE_RELEASE","supported_languages":["EN"],"worldwide_release_date":1270080000000,"store_removal_date":null,"cohort_id":null,"worldwide_last_month_revenue":{"unit":"cent","type":"currency","currency":"USD","value":100000},"worldwide_last_month_downloads":{"unit":"unit","type":"integer","value":1000},"category_rankings":{"app_id":351660247,"country":"US","ipad":{"top_free":null,"top_grossing":null,"top_paid":null},"iphone":{"top_free":null,"top_grossing":null,"top_paid":null}}}