# Antidote COVID vs Inside Us

The clearest difference is in-app purchases: Inside Us at none against Antidote COVID's 6. Inside Us also leads on iOS requirement (11.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Antidote COVID sells 6 one-off in-app purchases. Inside Us asks for nothing beyond the download.

Antidote COVID ships an update every 3 months, Inside Us every 2 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Antidote COVID | Inside Us |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (7 ratings)](https://appshunter.io/ios/app/antidote-covid-19/id1570034424/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 384 MB | 85 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Psyon Games Oy](https://appshunter.io/developer/1147092904) | [ALOTEQ SP Z O O](https://appshunter.io/developer/1503970130) |

## What reviewers say

### Antidote COVID

[App page](https://appshunter.io/ios/app/antidote-covid-19/id1570034424)

Engage in strategic tower defense gameplay to combat viruses and bacteria. Learn about vaccines and the immune response through a science adventure inspired by real-world events and WHO guidance.

**Highlights:** Strategic tower defense gameplay, Defend against viruses and bacteria, Build protective mazes, Learn about vaccines, Understand immune response, In-game encyclopedia, Inspired by real science

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $1.99 | one-time |
| Lab Intern | $4.99 | one-time |
| Researcher | $9.99 | one-time |
| Professor | $24.99 | one-time |
| Research Paper | $49.99 | one-time |
| Heureka! | $99.99 | one-time |


### Inside Us

[App page](https://appshunter.io/ios/app/inside-us-bacteria-rush/id6443545809)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Antidote COVID free?

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

### Is Inside Us free?

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

### Do Antidote COVID or Inside Us have ads?

Neither Antidote COVID nor Inside Us shows ads.

### Which is updated more often, Antidote COVID or Inside Us?

Antidote COVID ships an update every 3 months, and Inside Us every 2 months. Most recently, Antidote COVID was updated on October 24, 2026 and Inside Us on October 27, 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.*