# OpenSlope vs Dry Fire Practice

The clearest difference is in-app purchases: OpenSlope at none against Dry Fire Practice's 1. OpenSlope also leads on iOS requirement (17.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Dry Fire Practice sells 1 one-off in-app purchase. OpenSlope asks for nothing beyond the download.

OpenSlope ships an update every 6 days, Dry Fire Practice weekly. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | OpenSlope | Dry Fire Practice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Size | 101 MB | 34 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pablo Gimenez](https://appshunter.io/developer/1420505656) | [Morten Teinum](https://appshunter.io/developer/676994967) |

## What reviewers say

### OpenSlope

[App page](https://appshunter.io/ios/app/openslope/id6758349472)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dry Fire Practice

[App page](https://appshunter.io/ios/app/dry-fire-practice/id6764002526)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dryfire Pro | $9.99 | one-time |


## Frequently asked questions

### Is OpenSlope free?

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

### Is Dry Fire Practice free?

Dry Fire Practice is free to download, with in-app purchases available.

### Do OpenSlope or Dry Fire Practice have ads?

Neither OpenSlope nor Dry Fire Practice shows ads.

### Which is updated more often, OpenSlope or Dry Fire Practice?

OpenSlope ships an update every 6 days, and Dry Fire Practice weekly. Most recently, OpenSlope was updated on October 10, 2026 and Dry Fire Practice on October 7, 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.*