# ISVM vs 올펀

The clearest difference is update cadence: 올펀 at monthly against ISVM's every 9 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.

ISVM ships an update every 9 months, 올펀 monthly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ISVM | 올펀 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Size | 3 MB | 24 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [일신](https://appshunter.io/developer/1477275682) | [주식회사 올펀](https://appshunter.io/developer/1658683214) |

## What reviewers say

### ISVM

[App page](https://appshunter.io/ios/app/isvm/id1620893373)

**Features:** macOS Compatibility

**In-app purchases:** none


### 올펀

[App page](https://appshunter.io/ios/app/no1/id1658683212)

**In-app purchases:** none


## Frequently asked questions

### Is ISVM free?

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

### Is 올펀 free?

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

### Do ISVM or 올펀 have ads?

Neither ISVM nor 올펀 shows ads.

### Which is updated more often, ISVM or 올펀?

ISVM ships an update every 9 months, and 올펀 monthly. Most recently, ISVM was updated on October 27, 2026 and 올펀 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.*