--- title: "IOU - Promise & Favor Tracker - Reviews, Revenue and Downloads in Bermuda | Apple App Store" description: "IOU is the app for the little promises you actually want to keep — a coffee, a phone call, a favor you've been meaning to ask. Send a personalized IOU to a friend, they redeem it when they're ready, a" --- # IOU - Promise & Favor Tracker — Bermuda > Little promises for friends ![IOU App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/bc/c6/23/bcc62320-620e-310c-b5a9-96a940aa9cf5/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/434x0w.png) **Developer:** [SONNY CASTRO](https://apptail.io/developer/sonny-castro-luLqrc) **Category:** Social Networking **Rating:** N/A (0 ratings) **Price:** Free **Bundle ID:** com.sonnycastro.iou **Store:** Apple App Store **Country:** Bermuda **Version:** 1.0.1 (released 2026-05-29) **Original Release:** 2026-05-26 **Languages:** English **App Store Link:** [Download on Apple App Store](https://apps.apple.com/bm/app/app/id6767769831) **AppTail Page:** [https://apptail.io/app/iou-promise-favor-tracker-EIIA/bermuda](https://apptail.io/app/iou-promise-favor-tracker-EIIA/bermuda) ## IOU Description IOU is the app for the little promises you actually want to keep — a coffee, a phone call, a favor you've been meaning to ask. Send a personalized IOU to a friend, they redeem it when they're ready, and you both get the moment instead of forgetting. WHAT'S AN IOU? A tiny thoughtful coupon. Pick a vibe (coffee, hug, movie night, anything), write a note, optionally add a photo, doodle, or voice memo. Send. Your friend gets it, redeems it when the moment is right. WHY YOU'LL LOVE IT • Two-tap sending — no friction, no overthinking • Beautiful vibe templates so each IOU feels personal • Send by phone, contacts, or shareable link • Notifications when your IOUs are received and redeemed • Multi-use IOUs for promises you'd give more than once • Expiration dates so promises don't drift forever • Voice messages, photos, doodles, stickers • Thank-yous when friends redeem IOU PRO — UNLOCK MORE • Unlimited IOUs (free tier: 3 to start) • Custom expiry windows • Multi-use promises • Priority support Subscriptions: • IOU Pro Monthly — $4.99/month, auto-renewing • IOU Pro Yearly — $29.99/year, auto-renewing (save 50%) Payment is charged to your Apple ID account at purchase confirmation. Subscription auto-renews unless turned off at least 24 hours before the end of the current period. Account is charged for renewal within 24 hours prior to the end of the current period at the cost of the chosen package. You can manage and cancel subscriptions in your App Store account settings after purchase. Terms of Use: Privacy Policy: PRIVACY We collect only what's needed to deliver your IOUs: name, email, phone (verified by SMS), and the people you send to. Promises are visible only to sender and recipient. Delete your account anytime in Settings — your data goes with it. Made by Sonny Castro. Send the moment. Promise kept. ## IOU Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/60/05/7e/60057ed4-e62f-088f-6891-b96d38eb580e/01_iou.png/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/12/a4/1a/12a41a56-d73f-f7dd-d391-00e325cdcbaf/02_iou.png/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/e2/e0/b1/e2e0b124-2543-275c-c541-79196cd8d3a0/03_iou.png/1242x2688.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/48/d9/7a/48d97ae1-dffc-8c3f-0f6b-80442d530952/04_iou.png/1242x2688.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/a6/60/fd/a660fd15-a548-f82c-dc51-b74a839d9440/05_iou.png/1242x2688.png) - [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/d6/ad/d0/d6add09c-3492-03fa-4580-8e390f4d0f95/06_iou.png/1242x2688.png) - [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/b5/62/40/b562405e-00a0-0347-fa33-4b90f28d22f7/07_iou.png/1242x2688.png) - [Screenshot 8](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/82/31/f9/8231f952-a590-c0b6-e4f1-8c05d5b68b7f/08_iou.png/1242x2688.png) - [Screenshot 9](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/8d/90/9a/8d909aa4-4f3e-fb90-03c4-8f5072e47dbc/09_iou.png/1242x2688.png) - [Screenshot 10](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/06/62/41/066241e0-0c6e-892c-534a-a2d44c533885/10_iou.png/1242x2688.png) ## IOU Available In - [Bermuda](https://apptail.io/app/iou-promise-favor-tracker-EIIA/bermuda) - [Canada](https://apptail.io/app/iou-promise-favor-tracker-EIIA/canada) - [Germany](https://apptail.io/app/iou-promise-favor-tracker-EIIA/germany) - [Indonesia](https://apptail.io/app/iou-promise-favor-tracker-EIIA/indonesia) - [Ireland](https://apptail.io/app/iou-promise-favor-tracker-EIIA/ireland) - [Luxembourg](https://apptail.io/app/iou-promise-favor-tracker-EIIA/luxembourg) - [North Macedonia](https://apptail.io/app/iou-promise-favor-tracker-EIIA/north-macedonia) - [Netherlands](https://apptail.io/app/iou-promise-favor-tracker-EIIA/netherlands) - [New Zealand](https://apptail.io/app/iou-promise-favor-tracker-EIIA/new-zealand) - [Russia](https://apptail.io/app/iou-promise-favor-tracker-EIIA/russia) - [Sweden](https://apptail.io/app/iou-promise-favor-tracker-EIIA/sweden) - [Thailand](https://apptail.io/app/iou-promise-favor-tracker-EIIA/thailand) - [South Africa](https://apptail.io/app/iou-promise-favor-tracker-EIIA/south-africa) --- ## About AppTail [AppTail](https://apptail.io) is a mobile app intelligence platform providing app analytics, ASO (App Store Optimization) tools, keyword tracking, competitor analysis, revenue estimates, and review monitoring for iOS App Store apps. Track your app's performance, discover ranking keywords, monitor competitors, and analyze market trends. - [Search Apps](https://apptail.io) - [Top Charts](https://apptail.io/top-iphone-apps) - [Sign Up for Full Access](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=footer) *Data provided by [AppTail](https://apptail.io) - Mobile App Intelligence Platform*