# CELSI vs E

CELSI and E are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CELSI ships an update every 17 months, E every 10 months. Both last shipped on September 11, 2026.

## The numbers

| Metric | CELSI | E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 10 months** |
| Size | 189 MB | 185 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [BFM Europe Limited](https://appshunter.io/developer/1615740286) | [NEWMAN FIREPLACES LTD](https://appshunter.io/developer/1639876015) |

## What reviewers say

### CELSI

[App page](https://appshunter.io/ios/app/celsi/id1615740284)

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-ferno/id1639876013)

**In-app purchases:** none


## Frequently asked questions

### Is CELSI free?

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

### Is E free?

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

### Do CELSI or E have ads?

Neither CELSI nor E shows ads.

### Which is updated more often, CELSI or E?

CELSI ships an update every 17 months, and E every 10 months. Most recently, CELSI was updated on September 11, 2026 and E on September 11, 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.*