# Electric Field Explorer vs Schedule Builder

The clearest difference is price: Schedule Builder at Free against Electric Field Explorer's $1.99. Schedule Builder also leads on iOS requirement (18.5 vs 26.0). Electric Field Explorer's advantage is in-app purchases (none vs 1). On update cadence, ads and device support there is nothing between them.

Schedule Builder is free to download; Electric Field Explorer costs $1.99 up front. Schedule Builder sells 1 one-off in-app purchase. Electric Field Explorer asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Electric Field Explorer | Schedule Builder |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 4 MB | 101 MB |
| Requires iOS | 26.0 | **18.5** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Holger Wiesing](https://appshunter.io/developer/828032203) | [William Nelson](https://appshunter.io/developer/1867101029) |

## What reviewers say

### Electric Field Explorer

[App page](https://appshunter.io/ios/app/electric-field-explorer/id6757281793)

**Features:** macOS Compatibility

**In-app purchases:** none


### Schedule Builder

[App page](https://appshunter.io/ios/app/schedule-builder/id6757456795)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Member | $4.99 | one-time |


## Frequently asked questions

### Is Electric Field Explorer free?

Electric Field Explorer costs $1.99, with no in-app purchases.

### Is Schedule Builder free?

Schedule Builder is free to download, with in-app purchases available.

### Do Electric Field Explorer or Schedule Builder have ads?

Neither Electric Field Explorer nor Schedule Builder shows ads.

### Which is updated more often, Electric Field Explorer or Schedule Builder?

Electric Field Explorer ships an update every 2 months, and Schedule Builder every 2 months. Most recently, Electric Field Explorer was updated on October 6, 2026 and Schedule Builder on September 30, 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.*