# Authenticate vs Chargee Sparky

The clearest difference is update cadence: Chargee Sparky at fortnightly against Authenticate's every 3 months. 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.

Authenticate ships an update every 3 months, Chargee Sparky fortnightly. The most recent releases landed on June 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Authenticate | Chargee Sparky |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/authenticate/id934349819/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 355 MB | 158 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ubiqu](https://appshunter.io/developer/634335223) | [Chargee B.V.](https://appshunter.io/developer/1675459452) |

## What reviewers say

### Authenticate

[App page](https://appshunter.io/ios/app/authenticate/id934349819)

Securely log in to websites, access systems, make payments, and sign documents using your phone. It offers smart card-level security without needing extra hardware, simplifying your digital interactions.

**Highlights:** Smart card-level security, Hardware-free authentication, Secure logins, Digital signatures, Payment authorization, Confidential information sharing

**In-app purchases:** none


### Chargee Sparky

[App page](https://appshunter.io/ios/app/chargee-sparky/id6446019952)

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

**In-app purchases:** none


## Frequently asked questions

### Is Authenticate free?

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

### Is Chargee Sparky free?

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

### Do Authenticate or Chargee Sparky have ads?

Neither Authenticate nor Chargee Sparky shows ads.

### Which is updated more often, Authenticate or Chargee Sparky?

Authenticate ships an update every 3 months, and Chargee Sparky fortnightly. Most recently, Authenticate was updated on June 24, 2026 and Chargee Sparky on September 23, 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.*