# dBActive for the Optimus+ vs Pex AI Note Taker Notebook App

The clearest difference is in-app purchases: dBActive for the Optimus+ at none against Pex AI Note Taker Notebook App's 2. dBActive for the Optimus+ also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.6). On price, update cadence and ads there is nothing between them.

Both are free to download. Pex AI Note Taker Notebook App sells 2 in-app purchases, starting at $3.99 per 7 days. dBActive for the Optimus+ asks for nothing beyond the download.

dBActive for the Optimus+ ships an update every 3 months, Pex AI Note Taker Notebook App every 6 weeks. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | dBActive for the Optimus+ | Pex AI Note Taker Notebook App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 25 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cirrus Research](https://appshunter.io/developer/1145765467) | [Furkan Vural](https://appshunter.io/developer/1553967180) |

## What reviewers say

### dBActive for the Optimus+

[App page](https://appshunter.io/ios/app/dbactive-for-the-optimus-plus/id1437280865)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pex AI Note Taker Notebook App

[App page](https://appshunter.io/ios/app/pex-ai-note-taker-notebook-app/id6738692957)

This AI-powered tool captures and organizes important moments like meetings and lectures. It offers accurate transcription, intelligent summaries with action items, and seamless sharing, boosting productivity and focus.

**Highlights:** Background audio recording, Accurate transcription, Phone call recording, Intelligent summaries with to-dos, Unlimited recording time, Searchable organization, Seamless sharing

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly + (3 Days Free Trial) | $3.99 | per 7 days |
| Weekly | $3.99 | per 7 days |


## Frequently asked questions

### Is dBActive for the Optimus+ free?

dBActive for the Optimus+ is free to download, with no in-app purchases.

### Is Pex AI Note Taker Notebook App free?

Pex AI Note Taker Notebook App is free to download, with in-app purchases available.

### Do dBActive for the Optimus+ or Pex AI Note Taker Notebook App have ads?

Neither dBActive for the Optimus+ nor Pex AI Note Taker Notebook App shows ads.

### Which is updated more often, dBActive for the Optimus+ or Pex AI Note Taker Notebook App?

dBActive for the Optimus+ ships an update every 3 months, and Pex AI Note Taker Notebook App every 6 weeks. Most recently, dBActive for the Optimus+ was updated on October 11, 2026 and Pex AI Note Taker Notebook App on October 20, 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.*