# BabyOnBoard vs Comsign Authenticator

The clearest difference is price: Comsign Authenticator at Free against BabyOnBoard's $1.99. BabyOnBoard's advantage is update cadence (every 2 weeks vs every 4 months) and iOS requirement (13.2 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Comsign Authenticator is free to download; BabyOnBoard costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BabyOnBoard ships an update every 2 weeks, Comsign Authenticator every 4 months. The most recent releases landed on October 8, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | BabyOnBoard | Comsign Authenticator |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/babyonboard/id1255214901/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Paid | — |
| Size | 14 MB | 39 MB |
| Requires iOS | **13.2** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Firenze Web Division S.r.l.](https://appshunter.io/developer/1255214900) | [Comsign Ltd.](https://appshunter.io/developer/1438606872) |

## What reviewers say

### BabyOnBoard

[App page](https://appshunter.io/ios/app/babyonboard/id1255214901)

This app helps prevent accidental child abandonment in vehicles by reminding caregivers to check for children. It uses sound, vibration, and messages to alert users when they leave the car and prompt them to confirm if a baby is still present.

**Highlights:** Post-departure alerts, Sound notifications, Vibration alerts, Message prompts, No extra hardware needed

**In-app purchases:** none


### Comsign Authenticator

[App page](https://appshunter.io/ios/app/comsign-authenticator/id1438606873)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BabyOnBoard free?

BabyOnBoard costs $1.99, with no in-app purchases.

### Is Comsign Authenticator free?

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

### Do BabyOnBoard or Comsign Authenticator have ads?

Neither BabyOnBoard nor Comsign Authenticator shows ads.

### Which is updated more often, BabyOnBoard or Comsign Authenticator?

BabyOnBoard ships an update every 2 weeks, and Comsign Authenticator every 4 months. Most recently, BabyOnBoard was updated on October 8, 2026 and Comsign Authenticator on October 29, 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.*