# E vs e

The clearest difference is update cadence: E at every 10 days against e's every 3 months. E also leads on iOS requirement (12.0 vs 15.1). On price, 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 10 days, e every 3 months. The most recent releases landed on October 2, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | E | e |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | **Every 10 days** | Every 3 months |
| Size | 40 MB | 25 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SARL SPHERE](https://appshunter.io/developer/1551641245) | [Franck Conde](https://appshunter.io/developer/1578500529) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-estimation/id1551641243)

**Features:** macOS Compatibility

**In-app purchases:** none


### e

[App page](https://appshunter.io/ios/app/e-syndic/id1578500527)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is e free?

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

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

E ships an update every 10 days, and e every 3 months. Most recently, E was updated on October 2, 2026 and e on October 4, 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.*