# Ask Iris vs SigmaNote

Ask Iris and SigmaNote are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Ask Iris sells 1 one-off in-app purchase and SigmaNote sells 4 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

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

Ask Iris ships an update every 4 days, SigmaNote weekly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ask Iris | SigmaNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/ask-iris-private-ai/id6741133510/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sigmanote/id6744374542/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 54 MB | 90 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Abhishek Kulkarni](https://appshunter.io/developer/1793224863) | [SignifyID LLC](https://appshunter.io/developer/1793292360) |

## What reviewers say

### Ask Iris

[App page](https://appshunter.io/ios/app/ask-iris-private-ai/id6741133510)

This app creates a private AI workspace on your device. It allows you to ask questions about your local files like screenshots, PDFs, and images without uploading them to the cloud. You can extract text, summarize documents, and get answers grounded in your own data.

**Highlights:** Local AI model execution, Ask questions about local files, Extract text from images, Summarize documents, Organize chats and clips, Model library management

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ask Iris Pro | $19.99 | one-time |


### SigmaNote

[App page](https://appshunter.io/ios/app/sigmanote/id6744374542)

This app acts as an AI-powered knowledge hub, allowing users to capture, manage, learn from, and create knowledge across various formats. It uses AI agents to organize content, answer questions, and facilitate voice-driven writing and content creation.

**Highlights:** Capture knowledge from diverse sources, AI agents for organization and retrieval, Learn through conversation and listening, Voice-driven AI writing and content creation, Unified knowledge lifecycle management, Cross-format knowledge integration

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SigmaNote Premium Monthly | $8.99 | per month |
| SigmaNote Premium Plus Monthly | $12.99 | per month |
| SigmaNote Premium Yearly | $80.99 | per year |
| SigmaNote Premium Plus Yearly | $116.99 | per year |


## Frequently asked questions

### Is Ask Iris free?

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

### Is SigmaNote free?

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

### Which has better reviews, Ask Iris or SigmaNote?

Ask Iris and SigmaNote are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Ask Iris or SigmaNote have ads?

Neither Ask Iris nor SigmaNote shows ads.

### Which is updated more often, Ask Iris or SigmaNote?

Ask Iris ships an update every 4 days, and SigmaNote weekly. Most recently, Ask Iris was updated on October 30, 2026 and SigmaNote on October 24, 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.*