# BioSigner vs Notary On Demand

The clearest difference is update cadence: Notary On Demand at monthly against BioSigner's every 2 months. BioSigner's advantage is iOS requirement (8.0 vs 15.1). 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.

BioSigner ships an update every 2 months, Notary On Demand monthly. The most recent releases landed on October 5, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | BioSigner | Notary On Demand |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/notary-on-demand/id6753765063/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 16 MB | 53 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Factum Identity Solutions SL](https://appshunter.io/developer/1628978172) | [Jessica Bloom](https://appshunter.io/developer/1844888169) |

## What reviewers say

### BioSigner

[App page](https://appshunter.io/ios/app/biosigner/id603100641)

**Features:** macOS Compatibility

**In-app purchases:** none


### Notary On Demand

[App page](https://appshunter.io/ios/app/notary-on-demand/id6753765063)

Connect with commissioned notaries for in-person and mobile signings. Post jobs, review offers, message notaries, and track your signing from request to completion. Notaries can find nearby job requests, manage clients, and track earnings.

**Highlights:** Post notarization jobs, Review notary offers, Secure messaging and payment, Track job status, Submit offers for jobs, Manage client communication, Track notary earnings

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

**In-app purchases:** none


## Frequently asked questions

### Is BioSigner free?

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

### Is Notary On Demand free?

Notary On Demand is free to download, with no in-app purchases.

### Do BioSigner or Notary On Demand have ads?

Neither BioSigner nor Notary On Demand shows ads.

### Which is updated more often, BioSigner or Notary On Demand?

BioSigner ships an update every 2 months, and Notary On Demand monthly. Most recently, BioSigner was updated on October 5, 2026 and Notary On Demand on October 18, 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.*