# Sweep & Zone vs Clear Sky+

The clearest difference is in-app purchases: Clear Sky+ at none against Sweep & Zone's 2. Clear Sky+ also leads on update cadence (fortnightly vs every 5 weeks). Sweep & Zone's advantage is iOS requirement (17.0 vs 27.0). On price, ads and device support there is nothing between them.

Both are free to download. Sweep & Zone sells 2 in-app purchases, starting at $0.99 per month. Clear Sky+ asks for nothing beyond the download.

Sweep & Zone ships an update every 5 weeks, Clear Sky+ fortnightly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sweep & Zone | Clear Sky+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (22 ratings)](https://appshunter.io/ios/app/sweep-and-zone/id1590930048/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Freemium | — |
| Size | 4 MB | 24 MB |
| Requires iOS | **17.0** | 27.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Utility Forces LLC](https://appshunter.io/developer/1590930050) | [Calvin Fraites](https://appshunter.io/developer/1802751239) |

## What reviewers say

### Sweep & Zone

[App page](https://appshunter.io/ios/app/sweep-and-zone/id1590930048)

This utility app helps field artillery personnel calculate firing data quickly and accurately. It reduces human error by computing changes in mils, deflections, and quadrants, allowing users to focus on critical tasks during high-stress situations.

**Highlights:** Fast and accurate firing data computation, Reduces human error under stress, Input changes in mils, deflections, and quadrants, Calculates base deflection and quadrant, Unlimited access with subscription

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Monthly | $0.99 | per month |
| Unlimited Yearly | $9.99 | per year |


### Clear Sky+

[App page](https://appshunter.io/ios/app/clear-sky-plus/id6751154658)

**In-app purchases:** none


## Frequently asked questions

### Is Sweep & Zone free?

Sweep & Zone is free to download, with in-app purchases available.

### Is Clear Sky+ free?

Clear Sky+ is free to download, with no in-app purchases.

### Do Sweep & Zone or Clear Sky+ have ads?

Neither Sweep & Zone nor Clear Sky+ shows ads.

### Which is updated more often, Sweep & Zone or Clear Sky+?

Sweep & Zone ships an update every 5 weeks, and Clear Sky+ fortnightly. Most recently, Sweep & Zone was updated on October 24, 2026 and Clear Sky+ on October 28, 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.*