# E85 App vs BuiltNotBought

The clearest difference is in-app purchases: BuiltNotBought at none against E85 App's 3. BuiltNotBought also leads on ads (none vs shown). E85 App's advantage is update cadence (weekly vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. E85 App sells 3 in-app purchases, starting at $2.99 per month. BuiltNotBought asks for nothing beyond the download.

E85 App ships an update weekly, BuiltNotBought monthly. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | E85 App | BuiltNotBought |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (44 ratings)](https://appshunter.io/ios/app/e85-app/id1508517906/reviews)** | — |
| Number of ratings | **44** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 1 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ahmed Elsayed](https://appshunter.io/developer/1497438505) | [SHYAM PATEL](https://appshunter.io/developer/6771551528) |

## What reviewers say

### E85 App

[App page](https://appshunter.io/ios/app/e85-app/id1508517906)

Find E85 gas stations nearby and calculate E85 fuel mixtures. This tool is designed for car enthusiasts who use or are interested in E85 fuel.

**Highlights:** E85 gas station locator, E85 mix calculator, Location-based search, Fuel mixture calculations

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| E85 Pro Monthly | $2.99 | per month |
| E85 Pro Yearly | $19.99 | per year |
| Remove Ads | $5.99 | one-time |


### BuiltNotBought

[App page](https://appshunter.io/ios/app/builtnotbought/id6771551526)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E85 App free?

E85 App is free to download, with in-app purchases available.

### Is BuiltNotBought free?

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

### Do E85 App or BuiltNotBought have ads?

E85 App shows ads; BuiltNotBought does not.

### Which is updated more often, E85 App or BuiltNotBought?

E85 App ships an update weekly, and BuiltNotBought monthly. Most recently, E85 App was updated on October 12, 2026 and BuiltNotBought on October 7, 2026.

---

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