# OIS vs NoteSpeak AI Note Taker

The clearest difference is in-app purchases: OIS at none against NoteSpeak AI Note Taker's 9. OIS also leads on iOS requirement (12.0 vs 17.0). NoteSpeak AI Note Taker's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. NoteSpeak AI Note Taker sells 9 in-app purchases, starting at $6.99 per month. OIS asks for nothing beyond the download.

OIS ships an update every 2 months, NoteSpeak AI Note Taker every 2 weeks. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | OIS | NoteSpeak AI Note Taker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (183 ratings)](https://appshunter.io/ios/app/notespeak-ai-note-taker/id6752627437/reviews)** |
| Number of ratings | — | **183** |
| Positive reviews | — | 60.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 156 MB | 34 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Optoma Corporation](https://appshunter.io/developer/898696993) | [Abdullah YILMAZ](https://appshunter.io/developer/1636324967) |

## What reviewers say

### OIS

[App page](https://appshunter.io/ios/app/ois/id6466136204)

**In-app purchases:** none


### NoteSpeak AI Note Taker

[App page](https://appshunter.io/ios/app/notespeak-ai-note-taker/id6752627437)

This app transforms spoken words into organized knowledge. It records conversations, lectures, or meetings and generates accurate transcripts, concise AI summaries with key points and action items, and automatically organized notes. Review information in minutes with features like timestamps and multilingual support.

**Highlights:** One-tap audio capture, Accurate speech-to-text transcription, AI-generated summaries with key points, Timestamped chapters for easy navigation, Automatic organization with categories and tags, Multilingual recording and transcription, Export and share transcripts and summaries

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoteSpeak Premium - Monthly | $6.99 | per month |
| NoteSpeak Pro Monthly | $12.99 | per month |
| NoteSpeak Premium Yearly | $39.99 | per year |
| NoteSpeak Premium - Yearly | $39.99 | per year |
| NoteSpeak Extra 1GB Upload | $1.99 | one-time |
| NoteSpeak Extra 5 Hours | $2.99 | one-time |
| NoteSpeak Extra 5GB Upload | $4.99 | one-time |
| NoteSpeak Extra 15 Hours | $6.99 | one-time |
| NoteSpeak Premium - Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is OIS free?

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

### Is NoteSpeak AI Note Taker free?

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

### Do OIS or NoteSpeak AI Note Taker have ads?

Neither OIS nor NoteSpeak AI Note Taker shows ads.

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

OIS ships an update every 2 months, and NoteSpeak AI Note Taker every 2 weeks. Most recently, OIS was updated on October 13, 2026 and NoteSpeak AI Note Taker 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.*