3Z RF Vision vs COLT 4
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3Z RF Vision
Control your RF Vision Antenna Alignment Tool remotely from an iOS device. View measurements, edit site information, and email reports directly from the field via Bluetooth.
- Remote control of RF Vision measurements
- View, edit, delete, and save reports
- Email reports from the field
- Bluetooth connectivity
- Edit site information
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With the new RF Vision App, remotely control your RF Vision Antenna Alignment Tool from an iOS device. Via Bluetooth you can now view measurement, edit site information, email reports from the field and more. Features: Control and view RF Vision measurements remotely. View, edit, delete and save reports. Email reports from the field to your office. Improved customer experience.
COLT 4
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COLT app is a free-to-download app for the COLT (clamp on line tension meter). The COLT app's simple and easy-to-use interface will enable the operator to use the app with the utmost efficiency.
Screenshots
Verdict
The clearest difference is update cadence: COLT 4 at monthly against 3Z RF Vision's every 25 months. 3Z RF Vision's advantage is iOS requirement (12.4 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
3Z RF Vision ships an update every 25 months, COLT 4 monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | 3Z RF Vision | COLT 4 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (7 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 25 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.4 — better | 15.0 |
| Further details — not scored | ||
| Size | 9 MB | 155 MB |
| Age rating | 4+ | 4+ |
| Developer | VIAVI Solutions Inc. | Straightpoint |
In-app purchases
3Z RF Vision
No in-app purchases
COLT 4
No in-app purchases
