# Drift vs Optic Master

The clearest difference is in-app purchases: Optic Master at none against Drift's 1. Optic Master also leads on update cadence (daily vs every 10 days) and iOS requirement (15.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Drift sells 1 one-off in-app purchase. Optic Master asks for nothing beyond the download.

Drift ships an update every 10 days, Optic Master daily. The most recent releases landed on September 12, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Drift | Optic Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (9 ratings)](https://appshunter.io/ios/app/drift-ballistics-calculator/id6759738029/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Daily** |
| Monetization | Free | — |
| Size | 14 MB | 43 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bolze, LLC](https://appshunter.io/developer/1073511778) | [威 何](https://appshunter.io/developer/1876701305) |

## What reviewers say

### Drift

[App page](https://appshunter.io/ios/app/drift-ballistics-calculator/id6759738029)

This app provides precise long-range shooting calculations, including windage and elevation adjustments. It offers a vast database of ammunition and rifle configurations, with offline functionality and local data storage for privacy.

**Highlights:** 1,300+ bullets and 600+ factory loads, RK4 point-mass solver with G1/G7 drag models, Spin drift, Coriolis, and aerodynamic jump corrections, Range cards with smart intervals, Wind compass with clock-face input, Atmospheric auto-population from sensors, Offline-first operation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drift Pro | $14.99 | one-time |


### Optic Master

[App page](https://appshunter.io/ios/app/optic-master/id6759948394)

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

**In-app purchases:** none


## Frequently asked questions

### Is Drift free?

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

### Is Optic Master free?

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

### Do Drift or Optic Master have ads?

Neither Drift nor Optic Master shows ads.

### Which is updated more often, Drift or Optic Master?

Drift ships an update every 10 days, and Optic Master daily. Most recently, Drift was updated on September 12, 2026 and Optic Master on September 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.*