# Seikyuu vs Merrisk

The clearest difference is in-app purchases: Merrisk at none against Seikyuu's 4. Seikyuu's advantage is update cadence (daily vs every 3 days) and device support (4 vs 2). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Seikyuu sells 4 in-app purchases, starting at $19.00 per month. Merrisk asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Seikyuu against 5.0 for Merrisk. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Seikyuu ships an update daily, Merrisk every 3 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Seikyuu | Merrisk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/seikyuu/id6753657899/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/merrisk/id6758640249/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Monetization | Freemium | **Free** |
| Size | 28 MB | 15 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Ramirez](https://appshunter.io/developer/1844215160) | [Jonas Brown](https://appshunter.io/developer/1874119808) |

## What reviewers say

### Seikyuu

[App page](https://appshunter.io/ios/app/seikyuu/id6753657899)

This app helps freelancers and small businesses create and send professional invoices quickly. It allows clients to pay instantly via payment links and offers features like payment plans, expense tracking, and real-time revenue insights.

**Highlights:** Instant payment links via Stripe, Customizable invoice templates, Client payment plans, Expense tracking with receipt photos, Real-time revenue dashboard, Cloud sync across devices

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Seikyuu Pro Month | $19.00 | per month |
| Seikyuu Business Month | $49.00 | per month |
| Seikyuu Pro Year | $190.00 | per year |
| Seikyuu Business Year | $490.00 | per year |


### Merrisk

[App page](https://appshunter.io/ios/app/merrisk/id6758640249)

This platform helps businesses establish credibility by generating a trust score based on verified financial data from payment processors. It offers a public profile and embeddable badge to showcase business reliability and transparency to partners and customers.

**Highlights:** Dynamic Trust Score (0-1000), Connect payment processors (Stripe, PayPal, Shopify), Public business profile, Embeddable trust badge, Real-time score updates, Secure login

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

**In-app purchases:** none


## Frequently asked questions

### Is Seikyuu free?

Seikyuu is free to download, with in-app purchases available.

### Is Merrisk free?

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

### Which has better reviews, Seikyuu or Merrisk?

Seikyuu and Merrisk are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Seikyuu or Merrisk have ads?

Neither Seikyuu nor Merrisk shows ads.

### Which is updated more often, Seikyuu or Merrisk?

Seikyuu ships an update daily, and Merrisk every 3 days. Most recently, Seikyuu was updated on October 30, 2026 and Merrisk on November 5, 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.*