# Bluink eID vs Sponge Microgrids

The clearest difference is iOS requirement: Sponge Microgrids at 13.0 against Bluink eID's 15.0. 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.

Bluink eID ships an update every 4 weeks, Sponge Microgrids monthly. The most recent releases landed on September 28, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Bluink eID | Sponge Microgrids |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (222 ratings)](https://appshunter.io/ios/app/bluink-eid-me-digital-id/id1260676454/reviews)** | — |
| Number of ratings | **222** | — |
| Positive reviews | 40.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Monetization | Free | — |
| Size | 33 MB | 28 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bluink Ltd](https://appshunter.io/developer/630181685) | [Sponge Microgrids Inc.](https://appshunter.io/developer/1883101288) |

## What reviewers say

### Bluink eID

[App page](https://appshunter.io/ios/app/bluink-eid-me-digital-id/id1260676454)

This app digitizes and securely stores your government-issued identity information on your iPhone. It enables quicker, easier, and more secure online identity verification without passwords, enhancing privacy. Your verified identity is stored locally on your device, giving you complete control over your information.

**Highlights:** Digital ID on iPhone, Secure digital wallet, No cloud storage, Strong encryption, Certificate-based authentication, Control over identity information

**In-app purchases:** none


### Sponge Microgrids

[App page](https://appshunter.io/ios/app/sponge-microgrids/id6760194035)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bluink eID free?

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

### Is Sponge Microgrids free?

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

### Do Bluink eID or Sponge Microgrids have ads?

Neither Bluink eID nor Sponge Microgrids shows ads.

### Which is updated more often, Bluink eID or Sponge Microgrids?

Bluink eID ships an update every 4 weeks, and Sponge Microgrids monthly. Most recently, Bluink eID was updated on September 28, 2026 and Sponge Microgrids on September 17, 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.*