# Kois Reader vs VNSapp

The clearest difference is in-app purchases: Kois Reader at none against VNSapp's 15. Kois Reader also leads on ads (none vs shown). VNSapp's advantage is update cadence (every 3 weeks vs every 9 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. VNSapp sells 15 in-app purchases, starting at $44.99 per month. Kois Reader asks for nothing beyond the download.

Kois Reader ships an update every 9 months, VNSapp every 3 weeks. The most recent releases landed on August 14, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Kois Reader | VNSapp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (10 ratings)](https://appshunter.io/ios/app/kois-reader/id1132199528/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 75 MB | 89 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kois Center](https://appshunter.io/developer/513136947) | [VNS DENT, LDA](https://appshunter.io/developer/1792418022) |

## What reviewers say

### Kois Reader

[App page](https://appshunter.io/ios/app/kois-reader/id1132199528)

Access Kois Course materials, including manuals, checklists, and videos. Features live polling, automatic note backup and syncing across devices, and the ability to share notes with other participants. Requires course attendance for full access.

**Highlights:** Access course manuals and videos, Live in-course polling, Automatic note backup and sync, Share notes with participants, Browse page thumbnails, Navigation history

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

**In-app purchases:** none


### VNSapp

[App page](https://appshunter.io/ios/app/vnsapp/id6740990161)

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PROMO | $44.99 | per month |
| VNS MEMBERSHIP | $44.99 | per month |
| VNS MEMBERSHIP 6 MONTHS | $249.99 | per 6 months |
| VNS MEMBERSHIP 1 YEAR | $349.99 | per year |
| INTRA-ORAL SCANNERS | $149.99 | one-time |
| MARKETING - MOUZINHO | $149.99 | one-time |
| DIGITAL OVER TEETH | $179.99 | one-time |
| DIGITAL OVER IMPLANTS | $179.99 | one-time |
| ESTHETIC PLANNING | $299.99 | one-time |
| DENTAL PHOTOGRAPHY | $299.99 | one-time |
| CERAMIC VENEERS LAB WORK | $399.99 | one-time |
| MOUZINHO COMBO | $399.99 | one-time |
| POSTERIOR COMPOSITE | $499.99 | one-time |
| ANTERIOR COMPOSITE | $499.99 | one-time |
| ANTERIOR & POSTERIOR | $899.99 | one-time |


## Frequently asked questions

### Is Kois Reader free?

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

### Is VNSapp free?

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

### Do Kois Reader or VNSapp have ads?

VNSapp shows ads; Kois Reader does not.

### Which is updated more often, Kois Reader or VNSapp?

Kois Reader ships an update every 9 months, and VNSapp every 3 weeks. Most recently, Kois Reader was updated on August 14, 2026 and VNSapp on September 21, 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.*