DelayTool vs Dispatch by Rehearsal Space

DelayTool is a simple BPM calculator for producers, engineers, and musicians. Enter or tap the tempo and watch the table of values update automagically. For each common musical subdivision, you will see times (in milliseconds and Hertz) for the current tempo. Just what you need to precisely set up delays and oscillators!

Dispatch — Email Marketing Built for Musicians Speak your email out loud and watch it become a beautiful, ready-to-send campaign. Dispatch is the first mobile-first email marketing platform made for independent artists — build, send, and grow your fan list entirely from your phone. VOICE TO EMAIL — JUST TALK, WE'LL BUILD IT (Requires a Dispatch Pro subscription) Say something like: "I've got a big show in California — let my fans know we're super excited to be playing there. Put my logo at the top, add my socials, pull in one of my photos, and put divider lines between each section." Then watch Dispatch build the whole email — logo placed, photo added, sections divided, socials in place, copy written — ready to send. No laptop. No template wrestling. No blank screen. It's the fastest way to email your fans ever built, perfect for the road, backstage, or the moment inspiration hits. MADE FOR THE WAY MUSICIANS ACTUALLY WORK Most email tools were built for e-commerce and bolted onto a desktop. Dispatch was built for artists, on mobile, from the ground up. Every template and every block is designed around how musicians actually talk to their fans. OWN YOUR AUDIENCE — NOT AN ALGORITHM Social platforms decide who sees your posts. Your email list doesn't. Every fan you collect is yours to reach, directly, every time. Build your list with a signup form, QR code, or CSV import, and keep a connection no algorithm can take away. WHAT'S INSIDE Features marked (Pro) require a paid subscription, available as an in-app purchase. - A visual email builder made for your thumb, not a mouse - Four music-native templates free — Artist Starter, New Release, Newsletter, and Thank You - Six more templates with Pro — Show Announcement, Tour Calendar, Merch Drop, New Video Drop, Behind the Scenes, and Fan Poll (Pro) - Fan list management, signup forms, and QR codes - Open rates and campaign stats on every send - Voice to Email — speak it, AI builds it (Pro) - Detailed analytics — click tracking and who opened, clicked, or unsubscribed (Pro) - Welcome email automation for new fans (Pro) - Re-send to non-openers (Pro) - AI proofreader to polish every send (Pro) FREE TO START Create your list, send campaigns, and see how they performed — free, with no time limit. The free plan includes up to 300 fans, 5,000 emails a month, and four templates. Dispatch Pro is a paid monthly or annual subscription, available as an in-app purchase. It adds Voice to Email, the full template library, welcome automation, re-send to non-openers, AI tools, and detailed analytics — plus larger fan lists and higher send limits. Your fans want to hear from you. Dispatch makes it take two minutes. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/