# Step by Step Boston vs E

The clearest difference is update cadence: Step by Step Boston at daily against E's every 3 weeks. E's advantage is iOS requirement (15.1 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

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

Step by Step Boston ships an update daily, E every 3 weeks. The most recent releases landed on September 9, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Step by Step Boston | E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/e-tap/id6788869332/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Monetization | — | Free |
| Size | 25 MB | 37 MB |
| Requires iOS | 18.2 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Orkhan Rahimzade](https://appshunter.io/developer/1847711866) | [Mahammad Feyzullayev](https://appshunter.io/developer/6788869334) |

## What reviewers say

### Step by Step Boston

[App page](https://appshunter.io/ios/app/step-by-step-boston/id6754294709)

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-tap/id6788869332)

This app consolidates all electric vehicle charging stations in Azerbaijan onto a single live map. Easily find nearby chargers, plan longer trips with route integration, and filter stations by connector type and power. Available in multiple languages.

**Highlights:** Live map of all charging stations, Nearby charger list sorted by distance, Route planning with chargers along the way, Filter by connector type and power, Multi-language support (Azerbaijani, English, Russian), Save favorite stations

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

**In-app purchases:** none


## Frequently asked questions

### Is Step by Step Boston free?

Step by Step Boston is free to download, with no in-app purchases.

### Is E free?

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

### Do Step by Step Boston or E have ads?

Neither Step by Step Boston nor E shows ads.

### Which is updated more often, Step by Step Boston or E?

Step by Step Boston ships an update daily, and E every 3 weeks. Most recently, Step by Step Boston was updated on September 9, 2026 and E on September 12, 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.*