# Balance by NIH Toolbox V3 vs AcceloVit

The clearest difference is update cadence: AcceloVit at daily against Balance by NIH Toolbox V3's every 17 months. Balance by NIH Toolbox V3's advantage is iOS requirement (16.2 vs 18.2). On price, ads, in-app purchases and device support there is nothing between them.

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

Balance by NIH Toolbox V3 ships an update every 17 months, AcceloVit daily. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Balance by NIH Toolbox V3 | AcceloVit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Daily** |
| Size | 1 MB | 86 MB |
| Requires iOS | **16.2** | 18.2 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Toolbox Assessments, Inc.](https://appshunter.io/developer/1724444781) | [Eyal Vardi](https://appshunter.io/developer/988684101) |

## What reviewers say

### Balance by NIH Toolbox V3

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

**In-app purchases:** none


### AcceloVit

[App page](https://appshunter.io/ios/app/accelovit/id6745085832)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Balance by NIH Toolbox V3 free?

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

### Is AcceloVit free?

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

### Do Balance by NIH Toolbox V3 or AcceloVit have ads?

Neither Balance by NIH Toolbox V3 nor AcceloVit shows ads.

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

Balance by NIH Toolbox V3 ships an update every 17 months, and AcceloVit daily. Most recently, Balance by NIH Toolbox V3 was updated on October 14, 2026 and AcceloVit on October 13, 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.*