# DEF Search vs Commute Flow

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.

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.

## The numbers

| Metric | DEF Search | Commute Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/def-search/id6746346949/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/commute-flow/id6759306511/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | Free | Free |
| Size | 7 MB | 6 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [David Brownlow](https://appshunter.io/developer/1816264329) | [Joe Takai](https://appshunter.io/developer/1877999875) |

## What reviewers say

### DEF Search

[App page](https://appshunter.io/ios/app/def-search/id6746346949)

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.

**Highlights:** 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

**In-app purchases:** none


### Commute Flow

[App page](https://appshunter.io/ios/app/commute-flow/id6759306511)

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.

**Highlights:** Real-time traffic modeling, Colorblind-friendly heatmap, One-tap navigation integration, Multi-mode transit comparison, RTO schedule factoring, Smart best day recommendation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DEF Search free?

DEF Search is free to download, with no in-app purchases.

### Is Commute Flow free?

Commute Flow is free to download, with no in-app purchases.

### Which has better reviews, DEF Search or Commute Flow?

DEF Search and Commute Flow are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do DEF Search or Commute Flow have ads?

Neither DEF Search nor Commute Flow shows ads.

### Which is updated more often, DEF Search or Commute Flow?

DEF Search ships an update every 9 days, and Commute Flow every 2 days. Most recently, DEF Search was updated on October 6, 2026 and Commute Flow on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*