# Alz Test vs Balance by NIH Toolbox V3

The clearest difference is in-app purchases: Balance by NIH Toolbox V3 at none against Alz Test's 3. Alz Test's advantage is update cadence (every 3 months vs every 17 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Alz Test sells 3 in-app purchases, starting at $1.99 per month. Balance by NIH Toolbox V3 asks for nothing beyond the download.

Alz Test ships an update every 3 months, Balance by NIH Toolbox V3 every 17 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Alz Test | Balance by NIH Toolbox V3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (10 ratings)](https://appshunter.io/ios/app/alz-test/id1506204695/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 17 months |
| Monetization | Free with in-app purchases | — |
| Size | 40 MB | 1 MB |
| Requires iOS | **13.0** | 16.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Clinical Selfie](https://appshunter.io/developer/1506204694) | [Toolbox Assessments, Inc.](https://appshunter.io/developer/1724444781) |

## What reviewers say

### Alz Test

[App page](https://appshunter.io/ios/app/alz-test/id1506204695)

This app helps detect early signs of cognitive impairment, often linked to Alzheimer's disease, through a series of multiple-choice picture questions. It aims to monitor memory and cognition changes over time, encouraging prompt medical consultation for any concerns.

**Highlights:** Cognitive impairment detection, Early Alzheimer's signs, Picture-based multiple choice questions, Memory and cognition monitoring, Clinical research mimicry, Ongoing tracking

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly premium | $1.99 | per month |
| 3 Mothns | $4.99 | per 3 months |
| 12 Months | $14.99 | per year |


### Balance by NIH Toolbox V3

[App page](https://appshunter.io/ios/app/balance-by-nih-toolbox-v3/id6448584619)

**In-app purchases:** none


## Frequently asked questions

### Is Alz Test free?

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

### Is Balance by NIH Toolbox V3 free?

Balance by NIH Toolbox V3 is free to download, with no in-app purchases.

### Do Alz Test or Balance by NIH Toolbox V3 have ads?

Neither Alz Test nor Balance by NIH Toolbox V3 shows ads.

### Which is updated more often, Alz Test or Balance by NIH Toolbox V3?

Alz Test ships an update every 3 months, and Balance by NIH Toolbox V3 every 17 months. Most recently, Alz Test was updated on November 3, 2026 and Balance by NIH Toolbox V3 on November 3, 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.*