# Oi vs HR ROLL

The clearest difference is in-app purchases: HR ROLL at none against Oi's 4. HR ROLL also leads on update cadence (every 10 days vs monthly) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Oi sells 4 in-app purchases, starting at $7.99 per 7 days. HR ROLL asks for nothing beyond the download.

Oi ships an update monthly, HR ROLL every 10 days. The most recent releases landed on October 6, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Oi | HR ROLL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (20 ratings)](https://appshunter.io/ios/app/oi-ai-assistant/id6462895560/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Freemium | — |
| Size | 106 MB | 26 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [CYBER ONE LTD](https://appshunter.io/developer/1530625447) | [Thamer Alrumih](https://appshunter.io/developer/1778034237) |

## What reviewers say

### Oi

[App page](https://appshunter.io/ios/app/oi-ai-assistant/id6462895560)

This AI-powered application offers instant answers to your questions, generates stunning images from text descriptions, and summarizes documents. It also provides professional presentation creation, high-quality translation, and advanced image analysis to enhance your daily tasks.

**Highlights:** Instant photo/text question answering, AI-powered image creation, PDF/web link summarization, Professional presentation generation, High-quality translation, Advanced image analysis

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oi Weekly Subscription | $7.99 | per 7 days |
| Oi Monthly Subscription | $12.99 | per month |
| Oi 3 Months Subscription | $29.99 | per 3 months |
| Oi Yearly Subscription | $99.99 | per year |


### HR ROLL

[App page](https://appshunter.io/ios/app/hr-roll/id6737807458)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Oi free?

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

### Is HR ROLL free?

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

### Do Oi or HR ROLL have ads?

Neither Oi nor HR ROLL shows ads.

### Which is updated more often, Oi or HR ROLL?

Oi ships an update monthly, and HR ROLL every 10 days. Most recently, Oi was updated on October 6, 2026 and HR ROLL on October 27, 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.*