# Responder vs Alzheimer.App

Responder and Alzheimer.App are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Responder ships an update every 10 days, Alzheimer.App weekly. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Responder | Alzheimer.App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Size | 160 MB | 29 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [BaselineTelematics.com](https://appshunter.io/developer/1053190309) | [Alzheimer.App BV](https://appshunter.io/developer/1844822573) |

## What reviewers say

### Responder

[App page](https://appshunter.io/ios/app/responder/id6746202465)

**Features:** macOS Compatibility

**In-app purchases:** none


### Alzheimer.App

[App page](https://appshunter.io/ios/app/alzheimerapp/id6753748321)

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

**In-app purchases:** none


## Frequently asked questions

### Is Responder free?

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

### Is Alzheimer.App free?

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

### Do Responder or Alzheimer.App have ads?

Neither Responder nor Alzheimer.App shows ads.

### Which is updated more often, Responder or Alzheimer.App?

Responder ships an update every 10 days, and Alzheimer.App weekly. Most recently, Responder was updated on October 9, 2026 and Alzheimer.App on October 24, 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.*