# TRASOL vs Wind Reader

TRASOL and Wind Reader both sit at 4.0 stars, but that hides the real split: 52% of TRASOL's written reviews are positive against 0% of Wind Reader's. TRASOL also leads on ratings volume (40 vs 5) and iOS requirement (12.0 vs 15.0). Wind Reader's advantage is in-app purchases (none vs 1) and update cadence (weekly vs every 10 months). On price, rating, ads and device support there is nothing between them.

Both are free to download. TRASOL sells 1 one-off in-app purchase. Wind Reader asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.0 for TRASOL against 4.0 for Wind Reader. That said, the two scores are not equally well evidenced: TRASOL has 40 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 52% of TRASOL's written reviews are positive against 0% of Wind Reader's.

TRASOL ships an update every 10 months, Wind Reader weekly. The most recent releases landed on October 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | TRASOL | Wind Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (40 ratings)](https://appshunter.io/ios/app/trasol/id1015112834/reviews) | [4.0 (5 ratings)](https://appshunter.io/ios/app/wind-reader/id6469385660/reviews) |
| Number of ratings | **40** | 5 |
| Positive reviews | **52.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 11 MB | 2 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Desert Tech](https://appshunter.io/developer/1015112833) | [James Eagleman](https://appshunter.io/developer/1464839727) |

## What reviewers say

### TRASOL

[App page](https://appshunter.io/ios/app/trasol/id1015112834)

This advanced ballistic calculator provides real-time environmental data and trajectory predictions for precision shooting. It features a heads-up display for automatic target solutions, moving target tracking, and shot logging capabilities.

**Highlights:** Real-time sensor integration, Heads-up display (HUD), Moving target tracking, Unlimited equipment profiles, Cloud backup/sync, Long-range accuracy up to 5000 yards, Scope turret calibration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full TRASOL Upgrade | $39.99 | one-time |


### Wind Reader

[App page](https://appshunter.io/ios/app/wind-reader/id6469385660)

This application calculates real-time wind speed for long-range shooting using the Eagleman Technique. It leverages your phone's inclination sensor to convert mirage and rain angles into accurate wind speed measurements, a method patented in the US.

**Highlights:** Real-time wind speed calculation, Eagleman Technique implementation, Uses phone inclination sensor, Converts mirage and rain angles, Patented wind reading method

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TRASOL free?

TRASOL is free to download, with in-app purchases available.

### Is Wind Reader free?

Wind Reader is free to download, with no in-app purchases.

### Which has better reviews, TRASOL or Wind Reader?

TRASOL and Wind Reader are both rated 4.0 out of 5 on the App Store, from 40 and 5 ratings respectively.

### Do TRASOL or Wind Reader have ads?

Neither TRASOL nor Wind Reader shows ads.

### Which is updated more often, TRASOL or Wind Reader?

TRASOL ships an update every 10 months, and Wind Reader weekly. Most recently, TRASOL was updated on October 10, 2026 and Wind Reader on September 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*