Zum vs Untraced
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zum
Track your school bus in real-time with AI-powered arrival and departure estimates. View upcoming rides and ride history for secure access to transportation information.
- Real-time vehicle location tracking
- AI-powered estimated times of arrival
- Upcoming ride schedules
- Ride history
- Secure access for authorized users
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The Zūm app for riders provides convenient, real-time arrival and departure information for students from districts using Zūm transportation services. REAL-TIME LOCATION OF VEHICLES View the current location of your bus once the driver has started the ride to or from your school. AI-POWERED ETAs See the estimated time of arrival for your pickup and drop off. COMPLETE RIDE INFORMATION View your upcoming rides for the week along with your ride history. SECURE ACCESS The Zum Rider app is available to districts partnering with Zūm for transportation services. Access is granted according to district policy. Learn more at ridezum.com
Untraced
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Every road tells a story. Untraced makes sure you never lose them again. Drive like you normally do. In the background, Untraced quietly records your trips and reveals the roads you've driven on your own personal map — building a living atlas of everywhere you've actually been, one drive at a time. NEVER FORGET A ROAD Untraced turns every trip into progress. The backroad on the way to the coast, the detour that turned out better than the plan — it's all recorded, mapped, and yours to look back on. AUTOMATIC, EFFORTLESS TRACKING Turn on auto-detection once and Untraced takes it from there. Drives start and stop themselves — no taps, no timers, no forgetting to hit record. Built to sip battery, so it runs quietly in the background all day. WATCH YOUR ATLAS GROW Every drive lights up new roads on your map. Earn XP, level up, and unlock badges as you cover more distance, explore more cities, and build longer streaks. RELIVE YOUR DRIVES Every trip gets its own detail view with route, distance, speed and stats. Turn any drive into a shareable story card for your favorite roads and biggest discoveries. ORGANIZE INTO CHAPTERS Group drives into chapters — a road trip, a season, a chapter of your life — and share the whole story at once. FULLY LOCALIZED Untraced is available in English and German, with more languages on the way. UNTRACED PRO Go further with an optional subscription: • Complete drive history, forever (free tier keeps your last 30 days) • Neon and Minimal share card styles • Monthly and yearly recap, with a time-lapse of your progress • Scrub the fog through time to see your atlas as it grows • Custom map ink and backdrop colors, applied throughout the app • Full city and country collection, tracked automatically Untraced only uses your location to detect and record drives — never to track you outside the car. Your trips stay yours. Your roads. Your story. Untraced. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Zum at none against Untraced's 3. Zum also leads on iOS requirement (15.0 vs 26.0). On price, ads and device support 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. Untraced sells 3 in-app purchases, starting at $3.99 per month. Zum asks for nothing beyond the download.
| Parameter | Zum | Untraced |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (39 ratings) — better | — |
| Positive reviews | 16.7% of reviews | — |
| Number of ratings | 39 — better | — |
| Update frequency | Every 5 months | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 106 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Zum Services, Inc. | Batuhan Kabaktepe |
In-app purchases
Zum
No in-app purchases
Untraced
- Untraced Pro Monthly$3.991 Month
- Untraced Pro Yearly$24.991 Year
- Untraced Pro Lifetime$69.99









