eTAP vs Boat Ballast
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
eTAP
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This app provides functionality for the management of work on track authorities on the Australian Rail Track Corporation (ARTC) network. eTAP has been developed by 4Tel Pty Ltd specifically for ARTC staff and contractors. Therefore, this app is not intended for public use, and is restricted to users with authorised login credentials.
Boat Ballast
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This app is the head unit for a pump controller that fills the ballast bags in a wakeboard boat. It also has GPS speed, direction and distance. Gyroscope pitch and yaw. These tools can help you drive well for wakeboarding. Driving in a straight line and keeping the boat level is key to having a good wake.
Screenshots
Verdict
The clearest difference is update cadence: Boat Ballast at every 2 months against eTAP's every 5 months. eTAP's advantage is iOS requirement (12.3 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
eTAP ships an update every 5 months, Boat Ballast every 2 months. The most recent releases landed on September 22, 2026 and September 8, 2026 respectively.
| Parameter | eTAP | Boat Ballast |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 months | Every 2 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.3 โ better | 14.0 |
| Further details โ not scored | ||
| Size | 22 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | 4Tel Pty Ltd | Gorman Technology Pty Ltd |
In-app purchases
eTAP
No in-app purchases
Boat Ballast
No in-app purchases









