![Redesigning prepaid top-up service on Grab for a better experience — a UX case study | by Satya Nugraha | Muzli - Design Inspiration Redesigning prepaid top-up service on Grab for a better experience — a UX case study | by Satya Nugraha | Muzli - Design Inspiration](https://miro.medium.com/v2/resize:fit:1400/1*S5QVVHdPQtJwIoQ65owFAQ.png)
Redesigning prepaid top-up service on Grab for a better experience — a UX case study | by Satya Nugraha | Muzli - Design Inspiration
![Tracfone $39.99 Basic Phone 200 Minutes 90-Days Prepaid Plan e-PIN Top Up (Email Delivery) - Yahoo Shopping Tracfone $39.99 Basic Phone 200 Minutes 90-Days Prepaid Plan e-PIN Top Up (Email Delivery) - Yahoo Shopping](https://s.yimg.com/lo/api/res/1.2/6AP6nh1UMuxVd0atLYGJvw--/YXBwaWQ9ZWNfaG9yaXpvbnRhbDtoPTQwMDtzcz0xO3c9NDAw/https://i5.walmartimages.com/asr/a0620973-57aa-430e-b165-5b31e8aebd0a.14282ffbfab0fb67547c00cf80519c4a.jpeg)
Tracfone $39.99 Basic Phone 200 Minutes 90-Days Prepaid Plan e-PIN Top Up (Email Delivery) - Yahoo Shopping
![Walmart Family Mobile $24.88 Unlimited Monthly Prepaid Plan (5GB at High Speed, then 2G) Direct Top Up - Walmart.com Walmart Family Mobile $24.88 Unlimited Monthly Prepaid Plan (5GB at High Speed, then 2G) Direct Top Up - Walmart.com](https://i5.walmartimages.com/asr/27e06b24-aeda-454c-9a73-035a09352383.3b2728e0338eceb90ba0f47de3710fd0.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Walmart Family Mobile $24.88 Unlimited Monthly Prepaid Plan (5GB at High Speed, then 2G) Direct Top Up - Walmart.com
![Amazon.com: Tracfone 200 Minutes and 90 Days of Service - Refill, Top-Up, Pin Number - Prepaid Cell Phone Plan Airtime (Mail Delivery) : Cell Phones & Accessories Amazon.com: Tracfone 200 Minutes and 90 Days of Service - Refill, Top-Up, Pin Number - Prepaid Cell Phone Plan Airtime (Mail Delivery) : Cell Phones & Accessories](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/51U55IDl8vL._AC_UF894,1000_QL80_.jpg)