# opsi vs Yelli

The clearest difference is in-app purchases: opsi at none against Yelli's 2. Yelli's advantage is update cadence (fortnightly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Yelli sells 2 in-app purchases, starting at $78.99 per month. opsi asks for nothing beyond the download.

opsi ships an update every 3 months, Yelli fortnightly. The most recent releases landed on August 28, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | opsi | Yelli |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (18 ratings)](https://appshunter.io/ios/app/opsi/id1190141473/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 21 MB | 72 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mise Inc.](https://appshunter.io/developer/1475585154) | [Terra Tech, LLC](https://appshunter.io/developer/1553716247) |

## What reviewers say

### opsi

[App page](https://appshunter.io/ios/app/opsi/id1190141473)

This platform connects your restaurant team, from kitchen to accounting, to streamline operations. It helps reduce waste and enables data-driven decision-making for smarter management.

**Highlights:** Team connectivity, Streamlined operations, Waste reduction, Data-driven decisions, Kitchen to accounting integration

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

**In-app purchases:** none


### Yelli

[App page](https://appshunter.io/ios/app/yelli-restaurant-training/id1553716245)

This app provides a centralized platform for restaurant training and communication, helping to reduce staff turnover and costly errors. It ensures all employees have access to up-to-date information, streamlines onboarding, and allows managers to track training progress.

**Highlights:** Centralized training materials, Automated employee notifications, Onboarding and progress tracking, Customizable quizzes, Special events calendar, Language translations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plan Montlhy | $78.99 | per month |
| Plan Yearly | $899.99 | per year |


## Frequently asked questions

### Is opsi free?

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

### Is Yelli free?

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

### Do opsi or Yelli have ads?

Neither opsi nor Yelli shows ads.

### Which is updated more often, opsi or Yelli?

opsi ships an update every 3 months, and Yelli fortnightly. Most recently, opsi was updated on August 28, 2026 and Yelli on September 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.*