# ko Frame Extractor vs onesec

The clearest difference is in-app purchases: ko Frame Extractor at none against onesec's 4. ko Frame Extractor also leads on iOS requirement (15.0 vs 17.0). onesec's advantage is update cadence (every 2 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. onesec sells 4 one-off in-app purchases. ko Frame Extractor asks for nothing beyond the download.

ko Frame Extractor ships an update fortnightly, onesec every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ko Frame Extractor | onesec |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 31 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [KENICHI HIYAMA](https://appshunter.io/developer/1787698866) | [Starcrown Inc](https://appshunter.io/developer/1082624152) |

## What reviewers say

### ko Frame Extractor

[App page](https://appshunter.io/ios/app/ko-frame-extractor/id6754691389)

**Features:** macOS Compatibility

**In-app purchases:** none


### onesec

[App page](https://appshunter.io/ios/app/onesec-1vlog/id6761184844)

Easily create vlogs by selecting one-second clips from your videos. Reorder them instantly and share your daily life or travel montages. No complex editing needed for quick, shareable videos.

**Highlights:** Select and trim 1-second clips, Drag to reorder clips, Auto mode for quick creation, Export to Camera Roll, 30-day Story Challenge, One-time purchase for Pro features

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.49 | one-time |
| Cookie | $2.99 | one-time |
| Onesec Pro | $2.99 | one-time |
| Cake | $6.99 | one-time |


## Frequently asked questions

### Is ko Frame Extractor free?

ko Frame Extractor is free to download, with no in-app purchases.

### Is onesec free?

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

### Do ko Frame Extractor or onesec have ads?

Neither ko Frame Extractor nor onesec shows ads.

### Which is updated more often, ko Frame Extractor or onesec?

ko Frame Extractor ships an update fortnightly, and onesec every 2 days. Most recently, ko Frame Extractor was updated on October 30, 2026 and onesec on October 31, 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.*