# AI Agent Assistant vs Riff

The clearest difference is update cadence: AI Agent Assistant at every 6 days against Riff's every 2 weeks. AI Agent Assistant also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Agent Assistant sells 8 in-app purchases, starting at $7.99 per 7 days and Riff sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AI Agent Assistant ships an update every 6 days, Riff every 2 weeks. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | AI Agent Assistant | Riff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (203 ratings)](https://appshunter.io/ios/app/ai-agent-assistant-agentic-ai/id6761501260/reviews)** | — |
| Number of ratings | **203** | — |
| Positive reviews | 29.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 25 MB | 9 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Little Tough Apps](https://appshunter.io/developer/1786880698) | [CognitiveCore Technologies, LLC](https://appshunter.io/developer/1890309148) |

## What reviewers say

### AI Agent Assistant

[App page](https://appshunter.io/ios/app/ai-agent-assistant-agentic-ai/id6761501260)

This app provides a team of specialized AI agents to assist with various tasks, from writing and coding to research and planning. Users can leverage individual agents or assemble teams for collaborative problem-solving. It offers a private, distraction-free experience with advanced customization options for subscribers.

**Highlights:** Team of specialized AI agents, Collaborative multi-agent sessions, Custom agent creation, Expert assistance for writing, coding, research, Private by design, no account needed, Distraction-free interface

**Features:** iPhone Duo support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Access Weekly | $7.99 | per 7 days |
| PRO Access Weekly Std | $9.99 | per 7 days |
| PRO Access Yearly Std | $24.99 | per year |
| PRO Access Yearly | $34.99 | per year |
| Agentic AI PRO | $79.99 | per year |
| Genius Credits | $7.99 | one-time |
| Prof Credits | $59.99 | one-time |
| Top Credits | $99.99 | one-time |


### Riff

[App page](https://appshunter.io/ios/app/riff-on-device-ai-voice-notes/id6787581421)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| riff+ | $19.99 | one-time |


## Frequently asked questions

### Is AI Agent Assistant free?

AI Agent Assistant is free to download, with in-app purchases available.

### Is Riff free?

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

### Do AI Agent Assistant or Riff have ads?

Neither AI Agent Assistant nor Riff shows ads.

### Which is updated more often, AI Agent Assistant or Riff?

AI Agent Assistant ships an update every 6 days, and Riff every 2 weeks. Most recently, AI Agent Assistant was updated on November 9, 2026 and Riff 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.*