# Express FM vs MoltViewer

The clearest difference is ads: Express FM at none against MoltViewer's shown. Express FM also leads on iOS requirement (8.0 vs 18.6). MoltViewer's advantage is update cadence (every 5 days vs every 19 months). 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.

Express FM ships an update every 19 months, MoltViewer every 5 days. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Express FM | MoltViewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 5 days** |
| Size | 22 MB | 15 MB |
| Requires iOS | **8.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Sara Fougadi](https://appshunter.io/developer/1311379623) | [Krzysztof Kuzmicki](https://appshunter.io/developer/1865154433) |

## What reviewers say

### Express FM

[App page](https://appshunter.io/ios/app/express-fm/id1150668402)

**Features:** macOS Compatibility

**In-app purchases:** none


### MoltViewer

[App page](https://appshunter.io/ios/app/moltviewer/id6758548818)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Express FM free?

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

### Is MoltViewer free?

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

### Do Express FM or MoltViewer have ads?

MoltViewer shows ads; Express FM does not.

### Which is updated more often, Express FM or MoltViewer?

Express FM ships an update every 19 months, and MoltViewer every 5 days. Most recently, Express FM was updated on September 17, 2026 and MoltViewer on September 19, 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.*