# S vs SMES3

S and SMES3 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.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | S | SMES3 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 39 MB | 30 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [ShenZhen YOUNG WIN Technology Co., Ltd.](https://appshunter.io/developer/1405507279) | [Sunny Group Co., Ltd.](https://appshunter.io/developer/939474211) |

## What reviewers say

### S

[App page](https://appshunter.io/ios/app/s-eye20/id1584984915)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SMES3

[App page](https://appshunter.io/ios/app/smes3/id1641202952)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is S free?

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

### Is SMES3 free?

SMES3 is free to download, with no in-app purchases.

### Do S or SMES3 have ads?

Neither S nor SMES3 shows ads.

### Which is updated more often, S or SMES3?

S ships an update monthly, and SMES3 monthly. Most recently, S was updated on October 27, 2026 and SMES3 on October 30, 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.*