DLLHS vs COLT 4
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DLLHS
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This app allows you to connect to the ABT8000 datalogging height and stagger device. You will be able to take measurements using the app and save them in a .xls file. Measurements include: height and stager of electrification wire, track gauge and cant, REFOS measurements, and others.
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 DLLHS's every 2 months. 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.
DLLHS ships an update every 2 months, COLT 4 monthly. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.
| Parameter | DLLHS | COLT 4 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 100 MB | 155 MB |
| Age rating | 4+ | 4+ |
| Developer | Abtus Ltd | Straightpoint |
In-app purchases
DLLHS
No in-app purchases
COLT 4
No in-app purchases
