# OptiWorker vs NotterAI

The clearest difference is in-app purchases: OptiWorker at none against NotterAI's 7. OptiWorker also leads on iOS requirement (16.6 vs 18.0). NotterAI's advantage is update cadence (every 8 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. NotterAI sells 7 in-app purchases, starting at $14.99 per month. OptiWorker asks for nothing beyond the download.

OptiWorker ships an update every 3 weeks, NotterAI every 8 days. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | OptiWorker | NotterAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/notterai-smart-ai-note-taker/id6751227708/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 46 MB | 129 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Brickwork](https://appshunter.io/developer/1551796376) | [iNoid Solutions](https://appshunter.io/developer/1028904995) |

## What reviewers say

### OptiWorker

[App page](https://appshunter.io/ios/app/optiworker/id1565151414)

**Features:** Vision Pro support

**In-app purchases:** none


### NotterAI

[App page](https://appshunter.io/ios/app/notterai-smart-ai-note-taker/id6751227708)

Capture and convert audio, video, PDFs, and web links into intelligent, searchable notes. This offline AI assistant offers custom templates for organized note-taking, summarizing meetings, lectures, and documents.

**Highlights:** Real-time notes from audio, video, PDFs, web links, Offline recording and note-taking, Automatic speaker identification, Instant meeting summaries with action items, Customizable note templates, AI-powered summarization and topic extraction, Export notes to multiple formats

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $14.99 | per month |
| One-Time-Offer Yearly | $59.99 | per year |
| Yearly | $99.99 | per year |
| Yearly2 | $119.99 | per year |
| 100 Credits | $5.00 | one-time |
| 500 Credits | $20.00 | one-time |
| 1000 Credits | $35.00 | one-time |


## Frequently asked questions

### Is OptiWorker free?

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

### Is NotterAI free?

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

### Do OptiWorker or NotterAI have ads?

Neither OptiWorker nor NotterAI shows ads.

### Which is updated more often, OptiWorker or NotterAI?

OptiWorker ships an update every 3 weeks, and NotterAI every 8 days. Most recently, OptiWorker was updated on October 12, 2026 and NotterAI on October 15, 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.*