# e vs S

The clearest difference is update cadence: S at every 5 days against e's every 10 months. 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 10 months, S every 5 days. The most recent releases landed on September 24, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | e | S |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 days** |
| Size | 40 MB | 29 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHONAN JOHO KIKI SYSTEM K.K.](https://appshunter.io/developer/880918660) | [Kissei Comtec Co., Ltd.](https://appshunter.io/developer/503794772) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-plus2-2/id1546583160)

**Features:** Vision Pro support

**In-app purchases:** none


### S

[App page](https://appshunter.io/ios/app/s-discussion-for-iphone/id1587654783)

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is S free?

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

### Do e or S have ads?

Neither e nor S shows ads.

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

e ships an update every 10 months, and S every 5 days. Most recently, e was updated on September 24, 2026 and S on September 26, 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.*