# NeuroMetric vs OneTap Safe

The clearest difference is in-app purchases: NeuroMetric at none against OneTap Safe's 3. NeuroMetric also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (15.6 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. OneTap Safe sells 3 in-app purchases, starting at $3.99 per month. NeuroMetric asks for nothing beyond the download.

NeuroMetric ships an update weekly, OneTap Safe every 3 weeks. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | NeuroMetric | OneTap Safe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/onetap-safe/id6758159087/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 37 MB | 4 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [ThatsMobile GmbH](https://appshunter.io/developer/521156353) | [Chin Jui Kuo](https://appshunter.io/developer/1042103853) |

## What reviewers say

### NeuroMetric

[App page](https://appshunter.io/ios/app/neurometric/id6755871315)

**In-app purchases:** none


### OneTap Safe

[App page](https://appshunter.io/ios/app/onetap-safe/id6758159087)

This app provides daily check-ins for seniors using lock screen Live Activities. It offers peace of mind to caregivers by automatically alerting them if a check-in is missed, without requiring GPS tracking.

**Highlights:** Lock screen Live Activity check-ins, No unlocking required, Automatic family alerts for missed check-ins, Simple interface for seniors, Daily reminders, Check-in history tracking, Privacy-focused with no GPS tracking

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OneTap Safe Premium Monthly | $3.99 | per month |
| OneTap Safe Premium Annually | $19.99 | per year |
| OneTapSafe Premium Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is NeuroMetric free?

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

### Is OneTap Safe free?

OneTap Safe is free to download, with in-app purchases available.

### Do NeuroMetric or OneTap Safe have ads?

Neither NeuroMetric nor OneTap Safe shows ads.

### Which is updated more often, NeuroMetric or OneTap Safe?

NeuroMetric ships an update weekly, and OneTap Safe every 3 weeks. Most recently, NeuroMetric was updated on October 28, 2026 and OneTap Safe on October 31, 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.*