# Surgical Suture Material vs CFR Obs Sim

The clearest difference is ads: CFR Obs Sim at none against Surgical Suture Material's shown. CFR Obs Sim also leads on update cadence (every 2 weeks vs every 14 months). Surgical Suture Material's advantage is iOS requirement (13.0 vs 17.0). 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.

Surgical Suture Material ships an update every 14 months, CFR Obs Sim every 2 weeks. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Surgical Suture Material | CFR Obs Sim |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 14 months | **Every 2 weeks** |
| Size | 26 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Roman Moiseev](https://appshunter.io/developer/1877504595) | [Michael D. Thompson](https://appshunter.io/developer/1866976911) |

## What reviewers say

### Surgical Suture Material

[App page](https://appshunter.io/ios/app/surgical-suture-material/id6448891977)

**Features:** Vision Pro support

**In-app purchases:** none


### CFR Obs Sim

[App page](https://appshunter.io/ios/app/cfr-obs-sim/id6770991870)

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

**In-app purchases:** none


## Frequently asked questions

### Is Surgical Suture Material free?

Surgical Suture Material is free to download, with no in-app purchases.

### Is CFR Obs Sim free?

CFR Obs Sim is free to download, with no in-app purchases.

### Do Surgical Suture Material or CFR Obs Sim have ads?

Surgical Suture Material shows ads; CFR Obs Sim does not.

### Which is updated more often, Surgical Suture Material or CFR Obs Sim?

Surgical Suture Material ships an update every 14 months, and CFR Obs Sim every 2 weeks. Most recently, Surgical Suture Material was updated on October 17, 2026 and CFR Obs Sim on October 25, 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.*