# K vs LOPI

The clearest difference is update cadence: K at daily against LOPI's every 10 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. K sells 5 one-off in-app purchases and LOPI sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

K ships an update daily, LOPI every 10 days. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | K | LOPI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 10 days |
| Size | 63 MB | 121 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [K Culture Lab Co., Ltd.](https://appshunter.io/developer/1737743347) | [Entropy Paradox, Inc.](https://appshunter.io/developer/1576349554) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-pick/id6479977725)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Dia | $0.99 | one-time |
| 30 Dia | $2.99 | one-time |
| 50 Dia | $4.99 | one-time |
| 100 Dia | $9.99 | one-time |
| 500 Dia | $49.99 | one-time |


### LOPI

[App page](https://appshunter.io/ios/app/lopi-audition/id6738427686)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Audition VideoFeedback | $5.99 | one-time |


## Frequently asked questions

### Is K free?

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

### Is LOPI free?

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

### Do K or LOPI have ads?

Neither K nor LOPI shows ads.

### Which is updated more often, K or LOPI?

K ships an update daily, and LOPI every 10 days. Most recently, K was updated on November 4, 2026 and LOPI on November 8, 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.*