# Base Camp Calculator vs Twilight Time

The clearest difference is ads: Base Camp Calculator at none against Twilight Time's shown. Base Camp Calculator also leads on iOS requirement (10.0 vs 16.7.10). Twilight Time's advantage is update cadence (every 2 weeks vs every 2 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Base Camp Calculator ships an update every 2 months, Twilight Time every 2 weeks. The most recent releases landed on October 15, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Base Camp Calculator | Twilight Time |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/base-camp-calculator/id687857449/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 16 MB | 36 MB |
| Requires iOS | **10.0** | 16.7.10 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Deployed Resources, LLC](https://appshunter.io/developer/687857452) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Base Camp Calculator

[App page](https://appshunter.io/ios/app/base-camp-calculator/id687857449)

This application assists resource planners in calculating essential supplies for temporary life support facilities. Users can input population size and select various facility options to ensure compliance with safety standards.

**Highlights:** Calculate critical component quantities, Set population size, Select facility options, Ensure OSHA compliance, Components include showers, restrooms, laundry, and more, Supports tented housing and dining facilities

**Features:** macOS Compatibility

**In-app purchases:** none


### Twilight Time

[App page](https://appshunter.io/ios/app/twilight-time/id6503278537)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Base Camp Calculator free?

Base Camp Calculator is free to download, with no in-app purchases.

### Is Twilight Time free?

Twilight Time is free to download, with no in-app purchases.

### Do Base Camp Calculator or Twilight Time have ads?

Twilight Time shows ads; Base Camp Calculator does not.

### Which is updated more often, Base Camp Calculator or Twilight Time?

Base Camp Calculator ships an update every 2 months, and Twilight Time every 2 weeks. Most recently, Base Camp Calculator was updated on October 15, 2026 and Twilight Time on October 9, 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.*