# WOS Toolkit vs Altimeter + Barometermeter

The clearest difference is update cadence: Altimeter + Barometermeter at every 2 days against WOS Toolkit's every 5 days. WOS Toolkit's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. WOS Toolkit sells 1 in-app purchase, starting at $9.99 per month and Altimeter + Barometermeter sells 1 in-app purchase, starting at $49.99 per year. Whichever you choose, the download price is not the number that matters.

WOS Toolkit ships an update every 5 days, Altimeter + Barometermeter every 2 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | WOS Toolkit | Altimeter + Barometermeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/wos-toolkit/id6773192193/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 54 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [High Altitude Code, LLC](https://appshunter.io/developer/1233521554) | [佳俊 高](https://appshunter.io/developer/1807816708) |

## What reviewers say

### WOS Toolkit

[App page](https://appshunter.io/ios/app/wos-toolkit/id6773192193)

This app helps Whiteout Survival players coordinate rallies, plan battles, and manage alliance schedules. It offers tools for precise rally timing, daily reset tracking, and strategic battle simulation. Features include shared rally plans, calendar integration, and troop loss estimation.

**Highlights:** Rally Sync for synchronized landings, Foundry Planner for team strategy, Daily Reset countdown, Alliance HQ for weekly scheduling, Battle Simulator for fight estimation, Shared rally plans and schedules

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WOS Toolkit Pro | $9.99 | per month |


### Altimeter + Barometermeter

[App page](https://appshunter.io/ios/app/altimeter-plus-barometermeter/id6803945383)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Membership | $49.99 | per year |


## Frequently asked questions

### Is WOS Toolkit free?

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

### Is Altimeter + Barometermeter free?

Altimeter + Barometermeter is free to download, with in-app purchases available.

### Do WOS Toolkit or Altimeter + Barometermeter have ads?

Neither WOS Toolkit nor Altimeter + Barometermeter shows ads.

### Which is updated more often, WOS Toolkit or Altimeter + Barometermeter?

WOS Toolkit ships an update every 5 days, and Altimeter + Barometermeter every 2 days. Most recently, WOS Toolkit was updated on October 24, 2026 and Altimeter + Barometermeter on October 19, 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.*