# Immunity vs Drift

The clearest difference is rating: Drift at 4.5 against Immunity's 1.0. Immunity's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Drift sells 3 in-app purchases, starting at $2.99 per month. Immunity asks for nothing beyond the download.

Drift holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

## The numbers

| Metric | Immunity | Drift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/immunity-pathogen-defense/id6780637686/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/drift-calm-block-puzzle/id6788486053/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 8 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 343 MB | 33 MB |
| Requires iOS | **14.3** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DALTON SANDOR DRISCOLL](https://appshunter.io/developer/6779970862) | [Muhammed Furkan KUCUK](https://appshunter.io/developer/6784363020) |

## What reviewers say

### Immunity

[App page](https://appshunter.io/ios/app/immunity-pathogen-defense/id6780637686)

Engage in a biology-based action roguelite where you defend the human body from pathogens. Collect adaptations and abilities to build unique immune responses for each run. Conquer 10 distinct zones and face challenging bosses, including cancer.

**Highlights:** Biology-based action roguelite, Defend 10 zones of the human body, Collect 27+ adaptations and abilities, Real pathogens and immune responses, Permanent upgrades between runs, Quick, educational gameplay

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

**In-app purchases:** none


### Drift

[App page](https://appshunter.io/ios/app/drift-calm-block-puzzle/id6788486053)

This is a relaxing block puzzle game where you place pieces on a board to clear rows and columns. A unique gravity mechanic allows you to shift pieces, creating chain reactions. Play at your own pace with different modes and themes.

**Highlights:** Gravity-based block sliding, Zen Mode for unhurried play, Daily Challenges with streaks, 5 calming visual themes, Fully offline gameplay, Undo functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $9.99 | per year |
| Premium Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Immunity free?

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

### Is Drift free?

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

### Which has better reviews, Immunity or Drift?

Drift is rated higher. Immunity averages 1.0 out of 5 from 1 ratings, while Drift averages 4.5 from 2 ratings.

### Do Immunity or Drift have ads?

Drift shows ads; Immunity does not.

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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.*