# ObsiKO vs ViiTor Memo：AI Voice Memory

The clearest difference is update cadence: ViiTor Memo：AI Voice Memory at every 2 days against ObsiKO's every 6 days. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for ObsiKO against 5.0 for ViiTor Memo：AI Voice Memory. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

ObsiKO ships an update every 6 days, ViiTor Memo：AI Voice Memory every 2 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ObsiKO | ViiTor Memo：AI Voice Memory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/obsiko-ai-note-plus-mindmap/id6783405451/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/viitor-memoai-voice-memory/id6802908281/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 94.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 75 MB | 56 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Hyojin Kim](https://appshunter.io/developer/6783405453) | [ViiTor Tech Ltd.](https://appshunter.io/developer/1514736602) |

## What reviewers say

### ObsiKO

[App page](https://appshunter.io/ios/app/obsiko-ai-note-plus-mindmap/id6783405451)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### ViiTor Memo：AI Voice Memory

[App page](https://appshunter.io/ios/app/viitor-memoai-voice-memory/id6802908281)

This app uses AI to record, transcribe, and summarize conversations. It helps organize notes from meetings, interviews, and classes into projects for easy review and access to key information.

**Highlights:** AI Transcription, AI Summaries, Record and Review, Organize by Project, Real-time Transcription, Actionable Insights Extraction

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ObsiKO free?

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

### Is ViiTor Memo：AI Voice Memory free?

ViiTor Memo：AI Voice Memory is free to download, with no in-app purchases.

### Which has better reviews, ObsiKO or ViiTor Memo：AI Voice Memory?

ObsiKO and ViiTor Memo：AI Voice Memory are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do ObsiKO or ViiTor Memo：AI Voice Memory have ads?

Neither ObsiKO nor ViiTor Memo：AI Voice Memory shows ads.

### Which is updated more often, ObsiKO or ViiTor Memo：AI Voice Memory?

ObsiKO ships an update every 6 days, and ViiTor Memo：AI Voice Memory every 2 days. Most recently, ObsiKO was updated on October 24, 2026 and ViiTor Memo：AI Voice Memory 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.*