Dr VB800 vs GroupSpeak
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dr VB800
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This APP works with Tecom VB-800 Smart Wireless Vibration Temperature Sensor which is installed on rotating machine. User can read the real-time operation information (three-axis RMS vibration of velocity & acceleration, the FFT of velocity & acceleration, raw data, single point temperature), Health Index and Maintenance Schedule Suggestion of the machine through this APP. The information can also be uploaded to the remote management platform to perform functions such as storage, trend comparison, diagnostic analysis and report output. It provides predictive maintenance and be prepared for the worst.
GroupSpeak
Effortlessly send personalized text messages to multiple contacts simultaneously. Organize contacts into groups, utilize message templates for recurring texts, and sync across devices. Import contacts and groups easily from CSV files.
- Create and manage contact groups
- Send personalized mass texts
- Automatic group messaging
- Message templates
- iCloud sync across devices
- CSV contact import
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GroupSpeak makes group messaging fast and effortless. Easily send personalized texts to multiple contacts at once, all from a clean and intuitive app. Create and manage groups in seconds, find contacts instantly, and select multiple numbers per person when needed. Save time with message templates for recurring texts and stay connected with ease. Features: • Create and manage groups of contacts • Send messages to groups individually or all at once • Automatically send messages to group contacts • Use templates for recurring messages • Sync your groups across all your Apple devices with iCloud • Import contacts or entire groups from a CSV file Terms of Use: https://lazyboard.app/terms-and-conditions Privacy Policy: https://lazyboard.app/our-apps-privacy-policy
Screenshots
Verdict
The clearest difference is in-app purchases: Dr VB800 at none against GroupSpeak's 3. Dr VB800 also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support 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. GroupSpeak sells 3 in-app purchases, starting at $1.99 per month. Dr VB800 asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.
| Parameter | Dr VB800 | GroupSpeak |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.2 (16 ratings) — better |
| Positive reviews | — | 33.3% of reviews |
| Number of ratings | — | 16 — better |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 41 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | TECOM CO., LTD. | Elsayed Hussein |
In-app purchases
Dr VB800
No in-app purchases
GroupSpeak
- Monthly Pro Subscription$1.991 Month
- Yearly Pro Subscription$14.991 Year
- LazyGroup Pro$29.99









