# Red Dot Zero vs PRS Shot Timer

The clearest difference is ads: PRS Shot Timer at none against Red Dot Zero's shown. PRS Shot Timer also leads on update cadence (every 3 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Red Dot Zero ships an update every 3 weeks, PRS Shot Timer every 3 days. The most recent releases landed on September 3, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Red Dot Zero | PRS Shot Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/red-dot-zero/id6760157494/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 29 MB | 26 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 12+ | 17+ |
| Developer | [OLEG STASYUK](https://appshunter.io/developer/1882145619) | [EX Corporation Oy](https://appshunter.io/developer/1391053704) |

## What reviewers say

### Red Dot Zero

[App page](https://appshunter.io/ios/app/red-dot-zero/id6760157494)

This app provides advanced ballistic calculations for precision shooting. It helps users determine bullet drop, windage, and lead with dynamic environmental adjustments and custom rifle profiles. Aimed at shooters needing reliable data for long-range accuracy.

**Highlights:** Advanced ballistic solver, Intuitive minimalist interface, Environmental tracking (altitude, temp, atmosphere), Custom rifle and cartridge profiles, Calculates bullet drop, windage, and lead

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

**In-app purchases:** none


### PRS Shot Timer

[App page](https://appshunter.io/ios/app/prs-shot-timer-par-timer/id6796382650)

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

**In-app purchases:** none


## Frequently asked questions

### Is Red Dot Zero free?

Red Dot Zero is free to download, with no in-app purchases.

### Is PRS Shot Timer free?

PRS Shot Timer is free to download, with no in-app purchases.

### Do Red Dot Zero or PRS Shot Timer have ads?

Red Dot Zero shows ads; PRS Shot Timer does not.

### Which is updated more often, Red Dot Zero or PRS Shot Timer?

Red Dot Zero ships an update every 3 weeks, and PRS Shot Timer every 3 days. Most recently, Red Dot Zero was updated on September 3, 2026 and PRS Shot Timer on September 12, 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.*