# Flyby Cep vs LOCK'D IN

The clearest difference is in-app purchases: Flyby Cep at none against LOCK'D IN's 3. Flyby Cep also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). LOCK'D IN's advantage is update cadence (every 8 days vs monthly). On price and device support there is nothing between them.

Both are free to download. LOCK'D IN sells 3 in-app purchases, starting at $0.99 per month. Flyby Cep asks for nothing beyond the download.

Flyby Cep ships an update monthly, LOCK'D IN every 8 days. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Flyby Cep | LOCK'D IN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 8 days** |
| Size | 90 MB | 107 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [SENKRON BILGISAYAR OTOM LTD.](https://appshunter.io/developer/498226578) | [Ekin DEVECILER](https://appshunter.io/developer/1813947809) |

## What reviewers say

### Flyby Cep

[App page](https://appshunter.io/ios/app/flyby-cep/id1600852362)

**In-app purchases:** none


### LOCK'D IN

[App page](https://appshunter.io/ios/app/lockd-in-workouts/id6798786963)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Yearly | $9.99 | per year |
| Lifetime Premium | $19.99 | one-time |


## Frequently asked questions

### Is Flyby Cep free?

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

### Is LOCK'D IN free?

LOCK'D IN is free to download, with in-app purchases available.

### Do Flyby Cep or LOCK'D IN have ads?

LOCK'D IN shows ads; Flyby Cep does not.

### Which is updated more often, Flyby Cep or LOCK'D IN?

Flyby Cep ships an update monthly, and LOCK'D IN every 8 days. Most recently, Flyby Cep was updated on October 8, 2026 and LOCK'D IN on October 24, 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.*