# Certpia vs InkDown

The clearest difference is update cadence: InkDown at every 3 days against Certpia's monthly. Certpia's advantage is iOS requirement (12.0 vs 26.0). 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.

Certpia ships an update monthly, InkDown every 3 days. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Certpia | InkDown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (37 ratings)](https://appshunter.io/ios/app/certpia/id928347102/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 12.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | — |
| Size | 46 MB | 18 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [I.N.TECH INC](https://appshunter.io/developer/1700629897) | [youngmin cho](https://appshunter.io/developer/1895079411) |

## What reviewers say

### Certpia

[App page](https://appshunter.io/ios/app/certpia/id928347102)

This app allows users to easily issue, submit, and verify various certificates from over 220 universities and major institutions. It ensures secure and official document issuance through government-standard technology. Verify original documents using school names, internet numbers, or QR codes.

**Highlights:** Issue various certificates, Submit electronic certificates, Verify original documents, Secure data management, Government-certified technology, QR code verification

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

**In-app purchases:** none


### InkDown

[App page](https://appshunter.io/ios/app/inkdown/id6802183993)

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

**In-app purchases:** none


## Frequently asked questions

### Is Certpia free?

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

### Is InkDown free?

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

### Do Certpia or InkDown have ads?

Neither Certpia nor InkDown shows ads.

### Which is updated more often, Certpia or InkDown?

Certpia ships an update monthly, and InkDown every 3 days. Most recently, Certpia was updated on October 15, 2026 and InkDown on October 16, 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.*