# ANBAI vs nighty

The clearest difference is iOS requirement: ANBAI at 13.0 against nighty's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

ANBAI ships an update monthly, nighty every 2 months. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ANBAI | nighty |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 62 MB | 18 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [DUMSCO inc.](https://appshunter.io/developer/673503528) | [kaneko koudai](https://appshunter.io/developer/912946051) |

## What reviewers say

### ANBAI

[App page](https://appshunter.io/ios/app/anbai/id1458262251)

Measure your autonomic nervous system's condition by placing your fingertip on your smartphone's camera for one minute. Analyze your pulse to understand your current state and improve daily life by identifying optimal times for rest and effort.

**Highlights:** Measure autonomic nervous system condition, Pulse analysis using smartphone camera, Scientific methodology based on heart rate variability, Track recent trends with graphs, Personalized analysis based on measurement history

**Features:** Vision Pro support

**In-app purchases:** none


### nighty

[App page](https://appshunter.io/ios/app/nighty/id6752117167)

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

**In-app purchases:** none


## Frequently asked questions

### Is ANBAI free?

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

### Is nighty free?

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

### Do ANBAI or nighty have ads?

Neither ANBAI nor nighty shows ads.

### Which is updated more often, ANBAI or nighty?

ANBAI ships an update monthly, and nighty every 2 months. Most recently, ANBAI was updated on November 2, 2026 and nighty on November 5, 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.*