# e vs Teton Setup

The clearest difference is update cadence: Teton Setup at every 3 weeks against e's every 3 months. e's advantage is iOS requirement (10.0 vs 15.1). 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.

e ships an update every 3 months, Teton Setup every 3 weeks. Both last shipped on September 19, 2026.

## The numbers

| Metric | e | Teton Setup |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 39 MB | 42 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fagerhults Belysning AB](https://appshunter.io/developer/428487342) | [Teton.ai ApS](https://appshunter.io/developer/1615783550) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-sense-flex/id6445810378)

**Features:** macOS Compatibility

**In-app purchases:** none


### Teton Setup

[App page](https://appshunter.io/ios/app/teton-setup/id6757697782)

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is Teton Setup free?

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

### Do e or Teton Setup have ads?

Neither e nor Teton Setup shows ads.

### Which is updated more often, e or Teton Setup?

e ships an update every 3 months, and Teton Setup every 3 weeks. Most recently, e was updated on September 19, 2026 and Teton Setup on September 19, 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.*