UniPop vs BTTF Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UniPop
A college-exclusive marketplace for students to buy and sell items like dorm essentials, clothing, and study materials. It facilitates easy local delivery and connects users within their university community.
- Browse and buy college items
- Sell dorm items and outfits
- Coordinate local delivery
- Connect with school community
- Track sales and transactions
- Secure Stripe dashboard
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UniPop, your college marketplace. From cool dorm items, to your spring break outfits, to your cis1600 study notecards for the next exam, UniPop is a fun marketplace that allows college students to browse, buy, and sell cool items at their university. Request to be a seller, easily coordinate delivery without the hassle of packaging and shipping, connect with your school community, keep track of your sales and transactions through your secure connected stripe dashboard. Have fun engaging with this cool marketplace unique to your university.
BTTF Clock
Relive the magic of time travel with this app inspired by the DeLorean's dashboard. It features iconic time displays, customizable dates, and authentic sound effects for an immersive experience. Optimized for older devices, it brings cinematic time travel to your phone or tablet.
- Iconic time displays
- Customizable dates
- Real-time clock
- Interactive interface
- Authentic sound effects
- Car mode with GPS speedometer
- Home screen and CarPlay widgets
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Relive the magic of time travel with the BTTF Clock! Inspired by the iconic clock from the "Back to the Future" trilogy, this app brings the excitement of the DeLorean's dashboard right to your device. Whether you're using a phone or tablet you can enjoy the nostalgia of the iconic time machine. Best of all, it's optimized to run smoothly even on outdated devices, so no one gets left behind in the past. Key Features: • Iconic Time Display: Experience the legendary "Destination Time," "Present Time," and "Last Time Departed" panels, faithfully recreated with stunning detail. • Customizable Dates: Set your own dates for each panel and watch as the app mimics the flux capacitor's data changes. • Real-time Clock: Always stay on schedule with the accurate present time display. • Interactive Interface: Tap on the clock panels to change dates and relive the thrill of setting your time travel destination. • Sound Effects: Enjoy authentic sound effects from the movie to enhance your time travel experience. • Car Mode: Combine the Time Circuits, flux capacitor, and GPS speedometer in an immersive dashboard. • Manual Speed Simulation: Press and hold the speedometer to accelerate and feel speed-responsive haptic feedback as you approach the selected time-travel speed. • Cinematic Time Travel: Reach the configured speed to trigger a full-screen time-travel sequence with visual transitions and sound effects. • Home Screen and CarPlay Widget: Keep the Time Circuits visible at a glance with a configurable widget for your Home Screen and CarPlay. • Optimized for Outdated Devices: Designed to run efficiently on older devices, ensuring smooth performance without compromising on features. Target Audience: • Fans of the "Back to the Future" trilogy. • Retro and classic movie enthusiasts. • Anyone who enjoys unique and themed timekeeping apps. • Users with older devices seeking fun and functional apps.
Screenshots
Verdict
The clearest difference is rating: UniPop at 5.0 against BTTF Clock's 4.6. BTTF Clock's advantage is ratings volume (32 vs 4) and device support (4 vs 2). On price, update cadence, 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.
UniPop holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: BTTF Clock has 32 ratings behind it against 4, so its average is the more settled of the two.
UniPop ships an update every 3 weeks, BTTF Clock monthly. The most recent releases landed on October 30, 2026 and November 12, 2026 respectively.
| Parameter | UniPop | BTTF Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | 4.6 (32 ratings) |
| Positive reviews | — | 84.0% of reviews |
| Number of ratings | 4 | 32 — better |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 26 MB | 90 MB |
| Age rating | 17+ | 4+ |
| Developer | Carly Googel | Sergei Bazarnik |
Customer experience
UniPop
BTTF Clock
In-app purchases
UniPop
No in-app purchases
BTTF Clock
No in-app purchases









