# PRimo(プリモ) vs SONmini

The clearest difference is update cadence: PRimo(プリモ) at every 2 days against SONmini's every 3 weeks. PRimo(プリモ) also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, 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.

PRimo(プリモ) ships an update every 2 days, SONmini every 3 weeks. The most recent releases landed on September 18, 2026 and August 26, 2026 respectively.

## The numbers

| Metric | PRimo(プリモ) | SONmini |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 102 MB | 25 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shuntaro Ide](https://appshunter.io/developer/1880181682) | [HIKARU UEDA](https://appshunter.io/developer/1617407962) |

## What reviewers say

### PRimo(プリモ)

[App page](https://appshunter.io/ios/app/primo/id6764245393)

Manage influencer marketing projects, track earnings, and generate invoices all in one place. Organize client information, deadlines, and payment statuses to streamline your workflow and ensure you never miss a payment.

**Highlights:** Project status tracking, Earnings and payment management, Invoice creation and PDF export, Client information organization, Deadline and to-do list management, Customizable templates and notes

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

**In-app purchases:** none


### SONmini

[App page](https://appshunter.io/ios/app/sonmini/id6764818228)

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

**In-app purchases:** none


## Frequently asked questions

### Is PRimo(プリモ) free?

PRimo(プリモ) is free to download, with no in-app purchases.

### Is SONmini free?

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

### Do PRimo(プリモ) or SONmini have ads?

Neither PRimo(プリモ) nor SONmini shows ads.

### Which is updated more often, PRimo(プリモ) or SONmini?

PRimo(プリモ) ships an update every 2 days, and SONmini every 3 weeks. Most recently, PRimo(プリモ) was updated on September 18, 2026 and SONmini on August 26, 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.*