# explainISO9606 vs AI Note Taker

The clearest difference is review sentiment: AI Note Taker at 88% against explainISO9606's 0%. AI Note Taker also leads on price (Free vs $1.99) and update cadence (weekly vs every 4 months). explainISO9606's advantage is in-app purchases (none vs 11). On ads and iOS requirement there is nothing between them.

AI Note Taker is free to download; explainISO9606 costs $1.99 up front. AI Note Taker sells 9 in-app purchases, starting at $1.99 per 7 days. explainISO9606 asks for nothing beyond the download.

explainISO9606 ships an update every 4 months, AI Note Taker weekly. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | explainISO9606 | AI Note Taker |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.7 (531 ratings)](https://appshunter.io/ios/app/ai-note-taker-voicepen/id6462815872/reviews)** |
| Number of ratings | — | **531** |
| Positive reviews | 0.0% of reviews | **88.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | **Paid** | Subscription |
| Size | 1 MB | 112 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Georg Rose](https://appshunter.io/developer/521567472) | [Timur Khairullin](https://appshunter.io/developer/1653084671) |

## What reviewers say

### explainISO9606

[App page](https://appshunter.io/ios/app/explainiso9606/id718226042)

This app helps users understand welder qualifications based on ISO 9606-1 standards. It provides detailed explanations and visual aids for specific welding parameters, allowing users to verify welder suitability for particular tasks.

**Highlights:** ISO 9606-1 welder qualification reference, Detailed explanations of welding elements, Visual aids and sketches, Welder suitability verification, Searchable ISO 9606-1 parameters

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Note Taker

[App page](https://appshunter.io/ios/app/ai-note-taker-voicepen/id6462815872)

This app records and transcribes voice to text, then uses AI to generate smart notes, summaries, and action points. It can process local audio/video files, web links, and even YouTube videos, offering various AI-powered text refinement and translation options.

**Highlights:** Voice to text transcription, AI-powered note summarization, Transcribe audio/video files, Record meetings and lectures, AI text rewriting and translation, Organize notes with folders, Integrations with Notion and Zapier

**Features:** Apple Wallet, Apple Watch app

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $1.99 | per 7 days |
| VoicePen Premium | $2.99 | per 7 days |
| VoicePen Premium | $4.99 | per 7 days |
| VoicePen Premium | $9.99 | per month |
| Unlimited AI Voice Notes | $9.99 | per month |
| VoicePen Premium | $44.99 | per year |
| VoicePen Premium | $44.99 | per year |
| Unlimited AI Voice Notes | $44.99 | per year |
| Lifetime | $149.99 | one-time |

**What reviewers like**

- 🚀 Accurate transcription
- 👍 User-friendly interface
- 💡 Versatile AI-powered features
- 🚀 Fast processing
- 👍 Convenient for meetings, lectures, and personal use

**What reviewers complain about**

- 🐛 Occasional loss of recordings
- 🐛 Editing text can be buggy
- 🐛 Inconsistent connectivity
- 🐛 Difficulty unsubscribing

**Reported bugs**

- Transcription issues with multiple speakers
- App crashing or not loading
- Incorrect language transcription

**Requested features**

- Ability to combine/continue recordings
- Speaker identification in transcripts
- More customization options
- Sync between devices
- Export transcripts by date range


## Frequently asked questions

### Is explainISO9606 free?

explainISO9606 costs $1.99, with no in-app purchases.

### Is AI Note Taker free?

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

### Do explainISO9606 or AI Note Taker have ads?

Neither explainISO9606 nor AI Note Taker shows ads.

### Which is updated more often, explainISO9606 or AI Note Taker?

explainISO9606 ships an update every 4 months, and AI Note Taker weekly. Most recently, explainISO9606 was updated on October 14, 2026 and AI Note Taker on October 25, 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.*