# PB(미인증용) vs OSSTEM

The clearest difference is update cadence: OSSTEM at weekly against PB(미인증용)'s every 3 months. PB(미인증용)'s advantage is iOS requirement (11.0 vs 15.0). 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.

PB(미인증용) ships an update every 3 months, OSSTEM weekly. The most recent releases landed on September 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | PB(미인증용) | OSSTEM |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free |
| Size | 85 MB | 3 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Toss Payments Co., Ltd](https://appshunter.io/developer/1535569306) | [Osstem Implant Co., Ltd.](https://appshunter.io/developer/433846138) |

## What reviewers say

### PB(미인증용)

[App page](https://appshunter.io/ios/app/pb/id640949462)

**In-app purchases:** none


### OSSTEM

[App page](https://appshunter.io/ios/app/osstem/id6480248890)

This app connects patients with medical institutions, offering services for finding clinics, job opportunities, and direct communication. It also provides a marketplace for dental supplies, educational content, and software solutions for dental practices.

**Highlights:** Find medical institutions by hours and symptoms, Medical professional job board, Real-time chat between patients and clinics, Marketplace for dental supplies, Dental education and training content, Dental practice management software, Medical equipment after-sales service

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

**In-app purchases:** none


## Frequently asked questions

### Is PB(미인증용) free?

PB(미인증용) is free to download, with no in-app purchases.

### Is OSSTEM free?

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

### Do PB(미인증용) or OSSTEM have ads?

Neither PB(미인증용) nor OSSTEM shows ads.

### Which is updated more often, PB(미인증용) or OSSTEM?

PB(미인증용) ships an update every 3 months, and OSSTEM weekly. Most recently, PB(미인증용) was updated on September 10, 2026 and OSSTEM on September 23, 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.*