uSpectrum MK350D vs PieCloud
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
uSpectrum MK350D
This portable spectrometer offers easy-to-use lighting analysis for production environments. It features BLE remote control and SD card data storage for efficient workflow and advanced light analytics.
- BLE remote control
- SD card data storage
- Fast lighting readings
- Advanced light analytics
- Efficient workflow features
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The MK350D is a lightweight, portable, easy-to-operate spectrometer with BLE remote control operations and SD card data storage. This product has basic features for fast, easy lighting readings, as well as advanced light analytics, and efficient work-flow features for lighting production environments.
PieCloud
Securely store and access your videos and photos from anywhere. This app offers encrypted cloud storage with offline viewing and scheduled uploads. It helps you manage space by identifying large files and provides a visual breakdown of your media.
- Encrypted cloud storage
- Offline viewing
- Scheduled uploads
- Identify large files
- Pie chart media view
- File restoration
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PieCloud is a private and safe cloud space to backup your videos and photos. With PieCloud app, here are the things you can do: • Securely store all videos and photos and access them anywhere in the world. (All files are encrypted so nobody other than yourself can access to your data) • Quickly access recent, and largest videos from each album using a fancy pie chart view • View uploaded content even when you are offline • Schedule video and photo upload even when you are offline (and uploads will automatically start once you are online) • Restore all uploaded files if you delete the app, or renew your iPhone PieCloud users can do these for free (no hidden fees, absolutely for free, no subscription required): • Use 5GB cloud storage completely for free, no hidden fees (when you login with your Apple id) • See largest videos and photos taking too much space in your iPhone • Get a pie chart view of each album, displaying per year videos and photos in sorted order by size (so that you can upload largest size medias to cloud), and per month videos and photos for latest files PieCloud is a very affordable app that comes with following pricing policy: • 5GB is FREE • $1.99/year for 50GB (once you subscribe for this option, first 2 months will be FREE) • $5.99/year for 200GB • $44.99/year for 2TB
Screenshots
Verdict
The clearest difference is review sentiment: PieCloud at 100% against uSpectrum MK350D's 0%. PieCloud also leads on rating (5.0 vs 3.0) and update cadence (every 3 weeks vs every 2 months). uSpectrum MK350D's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On price, ratings volume and ads 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. PieCloud sells 3 in-app purchases, starting at $1.99 per year. uSpectrum MK350D asks for nothing beyond the download.
PieCloud holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 0% of uSpectrum MK350D's written reviews are positive against 100% of PieCloud's.
uSpectrum MK350D ships an update every 2 months, PieCloud every 3 weeks. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.
| Parameter | uSpectrum MK350D | PieCloud |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 8.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 39 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | United Power Research Technology Corporation | PIECLOUD, LLC |
Customer experience
uSpectrum MK350D
PieCloud
In-app purchases
uSpectrum MK350D
No in-app purchases
PieCloud
- 50 GB$1.991 Year
- 200 GB$5.991 Year
- 2 TB$44.991 Year
