# 10 vs DEF Search

The clearest difference is ratings volume: 10 at 4.5K against DEF Search's 1. 10 also leads on chart position (#125 vs unranked). DEF Search's advantage is rating (5.0 vs 4.8) and iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DEF Search holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 10 has 4.5K ratings behind it against 1, so its average is the more settled of the two.

10 ships an update every 5 days, DEF Search every 9 days. The most recent releases landed on November 12, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 10 | DEF Search |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4.5K ratings)](https://appshunter.io/ios/app/10-4-by-wex/id6461532828/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/def-search/id6746346949/reviews)** |
| Number of ratings | **4.5K** | 1 |
| Positive reviews | 34.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | Free | Free |
| Best chart rank | **#125** | — |
| Size | 111 MB | 7 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [WEX, Inc.](https://appshunter.io/developer/480887519) | [David Brownlow](https://appshunter.io/developer/1816264329) |

## What reviewers say

### 10

[App page](https://appshunter.io/ios/app/10-4-by-wex/id6461532828)

**Currently charting:** #125 Top Free · Navigation (US App Store)

This app helps truckers find and pay less for diesel fuel nationwide. It provides a fuel map with discounts at popular truck stops and allows secure payment directly through the app. Users can track their purchases, rewards, and savings.

**Highlights:** Nationwide fuel map, Diesel discount finder, Secure in-app payment, Fuel purchase tracking, Rewards and savings tracker

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 10 free?

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

### Is DEF Search free?

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

### Which has better reviews, 10 or DEF Search?

DEF Search is rated higher. 10 averages 4.8 out of 5 from 4.5K ratings, while DEF Search averages 5.0 from 1 ratings.

### Do 10 or DEF Search have ads?

Neither 10 nor DEF Search shows ads.

### Which is updated more often, 10 or DEF Search?

10 ships an update every 5 days, and DEF Search every 9 days. Most recently, 10 was updated on November 12, 2026 and DEF Search on November 8, 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.*