DS file vs Letianpai
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DS file
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.
- File management on Synology NAS
- Upload and download files
- Basic file editing
- Secure HTTPS access
- Browse pictures and videos
- Access work documents
Read full descriptionHide full description
**You must own a Synology NAS to run this app, and have upgraded to DSM 5.2 to get the complete set of features** DS file is ideal to manage files stored on your DiskStation, upload or download between the NAS and the iDevice itself, or do basic editing tasks. And always securely with HTTPS support. Besides file management, DS file is also a useful tool to do anything from browsing pictures, watching videos or checking work documents when you are on the go.
Letianpai
Control robots and integrate various sensors with this utility application. It allows for advanced customization and interaction with robotic hardware.
- Robot control
- Sensor integration
- Hardware interaction
- Customization options
Read full descriptionHide full description
The Letianpai APP can control the robot and add sensors.
Screenshots
Verdict
The clearest difference is rating: DS file at 2.8 against Letianpai's 1.0. DS file also leads on review sentiment (31% vs 0%) and ratings volume (357 vs 1). Letianpai's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
DS file holds the better App Store score, 2.8 against 1.0. 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 0% of Letianpai's.
DS file ships an update every 4 months, Letianpai every 3 weeks. The most recent releases landed on September 26, 2026 and May 27, 2026 respectively.
| Parameter | DS file | Letianpai |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (357 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 31.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 357 — better | 1 |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 121 MB | 76 MB |
| Age rating | 4+ | 17+ |
| Developer | Synology Inc. | 北京人和家科技有限公司 |
Customer experience
DS file
Letianpai
Bugs and requests
DS file
Reported bugs
4 issues- 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
5 requests- 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
Letianpai
Not enough reviews yet to summarise bugs or requests.
In-app purchases
DS file
No in-app purchases
Letianpai
No in-app purchases
