Temtop vs TNAS mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Temtop
This app detects formaldehyde, PM2.5, and TVOC using advanced sensors. It provides accurate and reliable environmental data for your home or workspace.
- Formaldehyde detection
- PM2.5 detection
- TVOC detection
- British Dart electrochemical sensor
- US TEMTOP laser particle sensor
- Accurate and reliable data
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Detection function: formaldehyde, PM2.5, TVOC It is equipped with British Dart formaldehyde electrochemical sensor, which effectively reduces gas interference and makes formaldehyde detection more accurate. Accurate and reliable data using the US TEMTOP laser particle sensor
TNAS mobile
Access and manage your TerraMaster NAS devices from your mobile phone. Back up photos and videos, browse documents, and stream multimedia files remotely or locally.
- Remote NAS access
- Local NAS access
- Photo and video backup
- Document browsing
- File upload/download
- Multimedia playback
- Device management
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TNAS mobile is the dedicated mobile app for TerraMaster TNAS devices. With it, you can manage files, back up photos, and browse documents on your phone. It also serves as your portable monitoring center, allowing you to check the status of the TOS system anytime and easily manage your TNAS device.
Screenshots
Verdict
The clearest difference is review sentiment: Temtop at 32% against TNAS mobile's 10%. On price, update cadence, ads and in-app purchases 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.
Temtop ships an update every 5 weeks, TNAS mobile every 2 months. The most recent releases landed on August 16, 2026 and September 19, 2026 respectively.
| Parameter | Temtop | TNAS mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (80 ratings) — better | — |
| Positive reviews | 32.2% of reviews — better | 10.3% of reviews |
| Number of ratings | 80 — better | — |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15 — better | 15.6 |
| Further details — not scored | ||
| Size | 183 MB | 122 MB |
| Age rating | 4+ | 17+ |
| Developer | Elitech Technology,Inc. | Noon Technology Company Limited |
Customer experience
Temtop
TNAS mobile
Bugs and requests
Temtop
Not enough reviews yet to summarise bugs or requests.
TNAS mobile
Reported bugs
18 issues- App crashes on startup
- App crashes when connected to network
- App crashes when backing up photos/videos
- App freezes during backup
- Cannot connect to NAS
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- Connection lost errors
- Remote login fails
- Image backup is flaky
- Video backup hangs or fails (.mov files)
- App doesn't find NAS
- Battery drain when running in background
- Background refresh doesn't stop battery drain
- App prompts for update but no update available
- App shows 'OPEN' instead of 'UPDATE' when it's the newest version
- App not working with TOS 5.1
- App not working with TOS 6
- QR code scanning issue on single device
- App not available in certain regions/countries
Requested features
10 requests- Add display of desktop shortcuts and apps
- Improve user-friendliness and navigation
- Add iPad support
- Allow uploading more than 99 files at a time
- Add 'select all' option for uploads
Show 5 moreShow fewer
- Improve video backup reliability
- Make app compatible with F2-210
- Add dark mode option
- Provide advanced analytics dashboard
- Improve translation for Russian language
In-app purchases
Temtop
No in-app purchases
TNAS mobile
No in-app purchases
