# Microballistics vs 12 Car Rally Timer

The clearest difference is price: Microballistics at Free against 12 Car Rally Timer's $0.99. 12 Car Rally Timer's advantage is update cadence (every 6 months vs every 24 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Microballistics is free to download; 12 Car Rally Timer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Microballistics ships an update every 24 months, 12 Car Rally Timer every 6 months. The most recent releases landed on October 6, 2026 and May 14, 2026 respectively.

## The numbers

| Metric | Microballistics | 12 Car Rally Timer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/microballistics/id1467067380/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 4 MB | 8 MB |
| Requires iOS | 13.0 | **12.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Microballistics Ltd](https://appshunter.io/developer/1467067379) | [Peter Lawrence](https://appshunter.io/developer/1521268759) |

## What reviewers say

### Microballistics

[App page](https://appshunter.io/ios/app/microballistics/id1467067380)

A highly accurate ballistic calculator for firearms and air rifles. It predicts wind deflection with steep shooting angles and offers features like projectile comparison and reticle reference printing. Includes a large database of ammunition types.

**Highlights:** Precise ballistic calculations, Wind deflection prediction for steep angles, Ballistic comparison of different projectiles, Printable reticle references and tables, Large database of projectiles, Bluetooth laser rangefinder integration

**Features:** macOS Compatibility

**In-app purchases:** none


### 12 Car Rally Timer

[App page](https://appshunter.io/ios/app/12-car-rally-timer/id1521268757)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Microballistics free?

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

### Is 12 Car Rally Timer free?

12 Car Rally Timer costs $0.99, with no in-app purchases.

### Do Microballistics or 12 Car Rally Timer have ads?

Neither Microballistics nor 12 Car Rally Timer shows ads.

### Which is updated more often, Microballistics or 12 Car Rally Timer?

Microballistics ships an update every 24 months, and 12 Car Rally Timer every 6 months. Most recently, Microballistics was updated on October 6, 2026 and 12 Car Rally Timer on May 14, 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.*