DEF Search vs Commute Flow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DEF Search
Easily locate Diesel Exhaust Fluid (DEF) pumps nearby with an interactive map. Get directions, confirm station status, and contribute to keeping data accurate for all diesel vehicle owners.
- Interactive DEF pump locator map
- Search by address, city, or ZIP code
- Use current location for closest pump
- One-tap directions via Apple/Google Maps
- Confirm station status
- Report/suggest station updates
- Save favorite stations
Read full descriptionHide full description
DEF Search is the fastest way to find Diesel Exhaust Fluid (DEF) pumps near you. Whether you're a long-haul trucker, fleet driver, RV traveler, or diesel pickup owner, running low on DEF shouldn't slow you down. DEF Search shows you nearby stations on a clean, easy-to-read map with addresses, descriptions, and one-tap directions in Apple Maps or Google Maps. WHY DEF SEARCH • Built for the road — large tap targets, fast map, minimal clutter • Crowd-sourced and verified — drivers like you keep the data fresh • Free to use — no subscriptions, no paywalls • Works in the USA and Canada — search by city, state, or current location KEY FEATURES • Interactive locator map of DEF pumps • Search by address, city, or ZIP code • Use your current location to find the closest pump • One-tap directions in Apple Maps or Google Maps • Confirm a station is still open and pumping • Report closed, moved, or incorrect locations • Suggest new stations to help other drivers • Save Favorite stations FOR TRUCKERS Skip the wrong-turn detours. Find DEF pumps before you exit the highway. FOR RV & DIESEL DRIVERS Plan refills along your trip and never get stranded with a DEF warning light. COMMUNITY POWERED Every confirmation, report, and suggestion makes the map better for the next driver. Help us build the most accurate DEF station directory on the road. PRIVACY FIRST We only use your location to show nearby stations and provide directions. No tracking, no selling your data. Download DEF Search and never hunt for diesel exhaust fluid again.
Commute Flow
Predict your optimal commute day with real-time traffic and RTO schedule integration. Visualize predicted drive times on a colorblind-friendly heatmap and get one-tap navigation to your chosen route.
- Real-time traffic modeling
- Colorblind-friendly heatmap
- One-tap navigation integration
- Multi-mode transit comparison
- RTO schedule factoring
- Smart best day recommendation
Read full descriptionHide full description
Commute Flow — Ditch the Tuesday Squeeze Know your best commute day before you leave the house. Commute Flow uses the Google Routes API with real-time traffic modeling to predict drive times for every day of the week — displayed in a beautiful, colorblind-friendly heatmap. 20+ METRO AREAS Bay Area • Seattle • NYC • Austin • LA • Chicago • Atlanta • Detroit • DC • Minneapolis • Miami . Philadelphia • Cincinnati • Bentonville • New Jersey • Toronto and more. Each city includes curated default routes so you can start forecasting instantly. ONE-TAP NAVIGATION Pick your best departure time, then open directions directly in Apple Maps, Google Maps, or Waze. Commute Flow passes route-specific waypoints so your navigation app follows the exact path you chose — not just the destination. MULTI-MODE COMPARISON Compare driving, bus, subway, and train side by side. Mix transit modes to find your fastest option. TRAFFIC-AWARE HEATMAP A monochromatic ice-to-indigo heatmap shows predicted commute times at a glance. Heavy-traffic slots glow with weight so the worst days are unmistakable. LIVE RTO SCHEDULES 100+ company return-to-office policies with per-day congestion penalties. Commute Flow factors your company's RTO schedule into its best-day recommendation. SMARTER BEST DAY Automatically highlights your optimal commute day based on traffic forecasts, your company's in-office schedule, and regional congestion patterns. FLEXIBLE DEPARTURE TIMES Slide to any 30-minute window from 6 AM to 11 AM or 3 PM to 8 PM. DARK & LIGHT MODE System-aware theming with manual toggle. Looks great day or night. PRIVACY FIRST No GPS stored. No tracking. Your commute data stays on your device.
Screenshots
Verdict
The clearest difference is update cadence: Commute Flow at every 2 days against DEF Search's every 9 days. On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 5.0 for DEF Search against 5.0 for Commute Flow. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
DEF Search ships an update every 9 days, Commute Flow every 2 days. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.
| Parameter | DEF Search | Commute Flow |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 9 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 7 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | David Brownlow | Joe Takai |
Customer experience
DEF Search
Commute Flow
In-app purchases
DEF Search
No in-app purchases
Commute Flow
No in-app purchases








