USEFULL vs Duffl
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
USEFULL
This app facilitates a plastic-free reusable takeout program on campuses. Users borrow durable stainless steel containers instead of single-use ones, tracking their environmental impact and managing returns through the app.
- QR code scanner for container checkout
- Due date reminders
- Personal environmental impact tracking
- Find checkout and return stations
- Manage late fees and payments
- 24/7 customer support
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Ditch the plastic. Track your impact. Join the reuse movement. USEFULL is your campus’ 100% plastic-free reusable takeout program. Instead of single-use containers, you’ll borrow durable stainless steel ones—just like checking out a library book. It’s fast, free (as long as you return on time), and better for the planet and your health (no dangerous microplastics). Download the app to start checking out containers at participating locations. Here’s how it works: 1. Request a reusable container from dining staff for your takeout meal. 2. Use the USEFULL app to check it out; simply scan the QR code on the base of the container. 3. When you’re done, return the container by scanning it back in at a return station. Key app features: - Use the QR code scanner to check out containers - Get due date reminders - Track your personal environmental impact - Reference community rules for your reusables - Find checkout and return stations near you - Manage late fees and payment options - Access 24/7 customer support USEFULL is completely free as long as containers are returned on time. Our tracking technology makes reuse easy and enables a 99% return rate. That means our high-quality containers can be used again and again, without generating waste.
Duffl
This app provides rapid delivery of snacks, drinks, and household essentials to college campuses. Order items and receive them within 10 minutes, delivered by fellow students. It aims to be the most convenient store for students.
- 10-minute delivery
- Snack and drink delivery
- Household goods delivery
- Student-powered delivery
- Community support
- Referral discounts
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Welcome to a new era of convenience. Duffl delivers snacks, drinks, and household goods in college communities in 10 minutes. Dying for a bag of chips? Maybe an impromptu Yerba Mate? How about that NyQuil when you just don’t want to leave? Duffl is the world’s most convenient store, and we’ve got your back. Order through the app, dance for 10 minutes, and a fellow student will drop your bag at your door. You can shop at Duffl and support your community at: UCLA USC UC Berkeley University of Alabama Florida State University University of Central Florida Boise State University More coming soon! What does Duffl sell? Anything a successful college student might need: snacks, chips, ice cream, fruit, toilet paper, notebooks, toothpaste, and much more. We carry some awesome new brands like Dream Pops, Milk Bar, Guyaki, Simulate Nuggs, Oatly, Snaklins, and others you might not have heard of yet. We promise we also carry all your favorite brands too! We’ve got Takis, Cheetos, Ben & Jerry’s, M&Ms, Celcius, Amy’s, Tide, DayQuil, and so many more for you to choose from. How much does Duffl cost? No hidden fees, no surge pricing, no price-gouging. Our small delivery fee helps us offer a competitive wage to our student workforce, and helps us invest more into empowering the community. Get free Duffl cash! After you place your first order, we’ll send you a custom discount code that you can share with your friends. When they use your discount code at checkout, they’ll get $5 off their first two orders and we’ll drop $10 Duffl Cash into your account, it’s our way of saying “you’re amazing!” Discounts & Promos?! If you’re a top customer, we’ll add you to our “Thank You Thursday” list where we say thank you by texting you cool promos and big discounts. There’s no limit to how many times you can be on the list, so try to be a top customer every week! Get involved with Duffl! We’re hiring students for roles in every community: Admirals to manage and grow the campus store; Captains to pick, pack, and batch our bags; Racers to deliver bags via electric scooters; Supply Sergeants to help keep our store organized; Content Cadets to run the community Instagram page; Squad Members to help us with marketing activations in each community; and Social Media Special Ops to help promote Duffl on Instagram and TikTok. Do any of these sound like a good fit for you? Please apply today! Learn more at jobs.duffl.com.
Screenshots
Verdict
The clearest difference is rating: Duffl at 4.4 against USEFULL's 3.5. Duffl also leads on update cadence (weekly vs monthly) and chart position (#210 vs unranked). USEFULL's advantage is monetization model (free vs free with in-app purchases). On price, review sentiment, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Duffl holds the better App Store score, 4.4 against 3.5. Both are backed by a comparable volume of ratings — 52 and 193 respectively. Written reviews complicate that: 79% of USEFULL's written reviews are positive against 74% of Duffl's, so the app with the better star average is not the one people write more warmly about.
USEFULL ships an update monthly, Duffl weekly. The most recent releases landed on September 19, 2026 and September 17, 2026 respectively.
| Parameter | USEFULL | Duffl |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (52 ratings) | 4.4 (193 ratings) — better |
| Positive reviews | 78.6% of reviews — better | 73.5% of reviews |
| Number of ratings | 52 | 193 — better |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | — | #210 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 83 MB | 52 MB |
| Age rating | 4+ | 12+ |
| Developer | USEFULL Inc | Powered Ventures, Inc. |
Customer experience
USEFULL
Duffl
Bugs and requests
USEFULL
Not enough reviews yet to summarise bugs or requests.
Duffl
Reported bugs
7 issues- Hi-chew shenanigans
- Free delivery for a year not redeemable
- Customer service not responding
- Inability to cancel orders
- Delivery to the wrong location/not arriving
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- Alcohol section not loading
- Age verification failing
Requested features
6 requests- Ability to redeem free delivery for a year
- Improved customer service responsiveness
- Option to cancel orders
- Ensuring delivery drivers come to the door
- Fixing the alcohol section
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- Working age verification
In-app purchases
USEFULL
No in-app purchases
Duffl
No in-app purchases








