# IS vs KO1KEYZ

The clearest difference is review sentiment: IS at 100% against KO1KEYZ's 50%. IS also leads on in-app purchases (none vs 1). KO1KEYZ's advantage is update cadence (fortnightly vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. KO1KEYZ sells 1 in-app purchase, starting at $6.49 per month. IS asks for nothing beyond the download.

IS ships an update every 12 months, KO1KEYZ fortnightly. The most recent releases landed on October 22, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | IS | KO1KEYZ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Fortnightly** |
| Monetization | **Free** | Subscription |
| Size | 73 MB | 184 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FANLIGHT Co., Ltd](https://appshunter.io/developer/1419937068) | [Fanplus, Inc.](https://appshunter.io/developer/427785206) |

## What reviewers say

### IS

[App page](https://appshunter.io/ios/app/issue-official-light-stick/id6737495681)

Control your official fanlight for live events. Pair your device with concert seat information for synchronized light performances. Customize colors and check battery levels for an enhanced fan experience.

**Highlights:** Concert Mode synchronization, Bluetooth pairing, Customizable color control, Battery level check, Seat information pairing

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

**In-app purchases:** none


### KO1KEYZ

[App page](https://appshunter.io/ios/app/ko1keyz/id6795437172)

Access the latest news and media for a popular artist. Fan club members can enjoy exclusive content like blogs and videos.

**Highlights:** Latest news updates, Media information, Fan club exclusive content, Member-only blogs, Exclusive videos

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KO1KEYZ 月会費 | $6.49 | per month |


## Frequently asked questions

### Is IS free?

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

### Is KO1KEYZ free?

KO1KEYZ is free to download, with in-app purchases available.

### Do IS or KO1KEYZ have ads?

Neither IS nor KO1KEYZ shows ads.

### Which is updated more often, IS or KO1KEYZ?

IS ships an update every 12 months, and KO1KEYZ fortnightly. Most recently, IS was updated on October 22, 2026 and KO1KEYZ on October 29, 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.*