NexPTG vs CTGauge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NexPTG
This app connects to a specialized paint thickness gauge for automotive use. It provides real-time measurement data, history, statistics, and calibration options. Features include voice commands, VIN scanning, and customizable reports with visual representations of vehicles.
- Smartwatch integration
- Automatic device search and connection
- Measurement value indication and interpretation
- Measurement history and statistics
- Device calibration
- Customizable vehicle body representations
- Voice commands
- VIN scanning via QR, EAN, OCR
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The innovative NexPTG paint thickness gauge with a dedicated application is a modern solution for every user. The device is designed for measuring automotive sheet metal (Automotive industry). Smartwatch The gauge has a dedicated application available on watchOS watches. The app exclusively works with PRO Carbon devices. The app allows: - automatic search and connection with the NexPTG device, - indicating the measurement value, substrate detection, measurement interpretation, - creation a short history of measurements and browsing it, - insight into measuring statistics, - calibration of the NexPTG device. Customized bodies NexPTG application includes 100+ dedicated car bodies in addition to standard bodies. Making the measurement process more realistic. Personalize the report to the customer's needs with a realistic representation of the measured vehicle. Voice commands The function allows you to perform the appropriate actions in the NexPTG application thanks to voice commands. Allows you to call the selected function without using the smartphone screen. QR, EAN, OCR reader The function allows you to scan the VIN number using the smartphone's built-in camera. It is available in the vehicle data report tab. Gallery widget All NexPTG gauges have access to the function of superimposing measurement parameters on photos, taken with the help of a widget. The photographs are available in the Gallery tab. Dedicated report Allows you to present data in a more accessible way. All measurements are placed in tables and compared with each other using the symmetric measurement table. Both external and internal components can be measured. The measurement sets function allows you to customize the location of the measured points as desired. Follow us: Facebook: https://www.facebook.com/Nexdiagpl Instagram: https://www.instagram.com/nexdiag/ Twitter: https://twitter.com/NexDiag YouTube: https://www.youtube.com/@nexdiag7292/featured
CTGauge
Connects to a paint thickness gauge device via Bluetooth to measure vehicle paint thickness. Offers expert and simple modes for inspection, with options to export reports and receive sound or vibration alarms.
- Bluetooth connectivity to paint meter
- Paint thickness measurement
- Expert and simple inspection modes
- Test report export and sharing
- Sound and vibration alarms
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App supports to connect Linshang paint film meter device via Bluetooth to detect paint thickness of each vehicle part. Main functions: 1. Bluetooth connection to the instrument via cell phone for paint film thickness measurement and to determine whether to touch up the paint. 2.Expert mode or simple mode for vehicle paint inspection. 3. Export and share the test report. 4. With sound alarm and vibrating alarm function.
Screenshots
Verdict
The clearest difference is rating: NexPTG at 4.7 against CTGauge's 1.0. NexPTG also leads on ratings volume (14 vs 1). 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.
NexPTG holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: NexPTG has 14 ratings behind it against 1, so its average is the more settled of the two.
NexPTG ships an update every 6 weeks, CTGauge every 2 months. The most recent releases landed on October 22, 2026 and October 27, 2026 respectively.
| Parameter | NexPTG | CTGauge |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (14 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 65.4% of reviews | — |
| Number of ratings | 14 — better | 1 |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 71 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | NexDiag Sp z o. o. | Shenzhen Linshang Technology Co., Ltd. |
In-app purchases
NexPTG
No in-app purchases
CTGauge
No in-app purchases









