Sail Trails vs Whack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sail Trails
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- Routes show when it's storm season and when it is the best time to go. - Port data shows monthly rain and Max/Min temperature averages. - View tracks and wind speed of tropical storms that occurred between 2000-2020. - Wind climatology show average wind per month collected from sattelite data. Also view pilot data collected from on-site observation from 1850-1970. - Layers allow you to see Sattelite Imagery, Bathymetry, AIS Density, Time Zones, Lightning Strikes, and Population Density maps.
Whack
This game makes math practice engaging and challenging. As you tap numbers, the game speeds up, turning your math drills into an alert and focused experience. It's designed for those who enjoy a high-difficulty approach to learning.
- Engaging math practice
- Increasing difficulty
- Focus enhancement
- Game-like interface
- Quick reaction challenges
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Math can be hard, and staying focused on math can be even harder. Whack-A-Num exists to keep you awake and alert during hours of math practice. With every number tapped, the bubbles move faster. The calculator for people who play video games on Hard Mode.
Screenshots
Verdict
The clearest difference is update cadence: Whack at every 3 days against Sail Trails's every 5 months. Sail Trails's advantage is device support (3 vs 1) and iOS requirement (13.1 vs 16.6). On price, 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.
Sail Trails ships an update every 5 months, Whack every 3 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.
| Parameter | Sail Trails | Whack |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 5 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.1 — better | 16.6 |
| Further details — not scored | ||
| Size | 75 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Two* States* Away* | Danielle Lewis |
In-app purchases
Sail Trails
No in-app purchases
Whack
No in-app purchases
