# e vs Protopixel

The clearest difference is iOS requirement: e at 7.1 against Protopixel's 16.6. 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.

e ships an update every 6 months, Protopixel every 3 months. The most recent releases landed on September 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | e | Protopixel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Size | 5 MB | 68 MB |
| Requires iOS | **7.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fagerhults Belysning AB](https://appshunter.io/developer/428487342) | [ProtoPixel S.L.](https://appshunter.io/developer/1567878723) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-sense-tune/id1044289054)

**Features:** macOS Compatibility

**In-app purchases:** none


### Protopixel

[App page](https://appshunter.io/ios/app/protopixel/id6450700467)

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is Protopixel free?

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

### Do e or Protopixel have ads?

Neither e nor Protopixel shows ads.

### Which is updated more often, e or Protopixel?

e ships an update every 6 months, and Protopixel every 3 months. Most recently, e was updated on September 23, 2026 and Protopixel on October 24, 2026.

---

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