# S vs ペイtoデブ

The clearest difference is update cadence: ペイtoデブ at every 4 days against S's every 4 months. S's advantage is iOS requirement (10.0 vs 17.0). 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.

S ships an update every 4 months, ペイtoデブ every 4 days. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | S | ペイtoデブ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 23 MB | 2 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [BIPROGY Inc.](https://appshunter.io/developer/364504662) | [Gennosuke Horikoshi](https://appshunter.io/developer/1887124336) |

## What reviewers say

### S

[App page](https://appshunter.io/ios/app/s-gym/id1485351206)

This app serves as a digital membership card for members of fitness clubs that have adopted the S-GYM system. It allows users to display their membership card for check-ins and access certain content without registration.

**Highlights:** Digital membership card display, Check-in functionality, Access to select content without registration

**Features:** Vision Pro support

**In-app purchases:** none


### ペイtoデブ

[App page](https://appshunter.io/ios/app/to/id6764591189)

**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 ペイtoデブ free?

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

### Do S or ペイtoデブ have ads?

Neither S nor ペイtoデブ shows ads.

### Which is updated more often, S or ペイtoデブ?

S ships an update every 4 months, and ペイtoデブ every 4 days. Most recently, S was updated on October 10, 2026 and ペイtoデブ on October 16, 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.*