# DS file vs DuroMod

The clearest difference is review sentiment: DuroMod at 100% against DS file's 31%. DuroMod also leads on rating (5.0 vs 2.8) and iOS requirement (15.6 vs 17.6). DS file's advantage is price (Free vs $4.99) and ratings volume (357 vs 1). On update cadence, ads, in-app purchases and device support there is nothing between them.

DS file is free to download; DuroMod costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DuroMod holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: DS file has 357 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 31% of DS file's written reviews are positive against 100% of DuroMod's.

DS file ships an update every 4 months, DuroMod every 6 months. The most recent releases landed on September 26, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | DS file | DuroMod |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [2.8 (357 ratings)](https://appshunter.io/ios/app/ds-file/id416751772/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/duromod/id1212080401/reviews)** |
| Number of ratings | **357** | 1 |
| Positive reviews | 31.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | **Free** | Paid |
| Size | 121 MB | 0 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Synology Inc.](https://appshunter.io/developer/321493109) | [Peter Cerhan](https://appshunter.io/developer/1212080400) |

## What reviewers say

### DS file

[App page](https://appshunter.io/ios/app/ds-file/id416751772)

Access, manage, and edit files stored on your Synology NAS from your mobile device. Upload, download, and securely browse documents, pictures, and videos on the go.

**Highlights:** File management on Synology NAS, Upload and download files, Basic file editing, Secure HTTPS access, Browse pictures and videos, Access work documents

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and efficient file management
- 🚀 Fast file access and transfer
- 💡 Useful photo backup feature
- 🔒 Secure remote access to NAS

**What reviewers complain about**

- 🐛 Crashes and freezes, especially after updates
- 🔍 Inconsistent file format support (e.g. .MOV, .HEIC)
- 🔍 Lack of advanced features like multi-select and sorting
- 🔍 Slow performance, especially on older devices

**Reported bugs**

- Login issues, unable to connect to NAS
- Video playback not working, especially on iOS 12+
- Excessive storage usage and cache issues
- Inconsistent behavior after iOS updates

**Requested features**

- Integrate with iOS Files app
- Add support for more file formats
- Improve photo/video backup functionality
- Implement dark mode
- Allow multi-file selection and batch operations


### DuroMod

[App page](https://appshunter.io/ios/app/duromod/id1212080401)

Convert durometer readings to elastic modulus for polymers. This tool supports all 12 durometer scales conforming to ASTM D2240-05, providing accurate material property data.

**Highlights:** Convert durometer readings to elastic modulus, Supports all 12 durometer scales, Conforms to ASTM D2240-05, Based on linear elastic indentation mechanics, Developed at Rheology Research Center

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DS file free?

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

### Is DuroMod free?

DuroMod costs $4.99, with no in-app purchases.

### Which has better reviews, DS file or DuroMod?

DuroMod is rated higher. DS file averages 2.8 out of 5 from 357 ratings, while DuroMod averages 5.0 from 1 ratings.

### Do DS file or DuroMod have ads?

Neither DS file nor DuroMod shows ads.

### Which is updated more often, DS file or DuroMod?

DS file ships an update every 4 months, and DuroMod every 6 months. Most recently, DS file was updated on September 26, 2026 and DuroMod on June 1, 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.*