# FlexIt24 PDKS vs Retrace

The clearest difference is in-app purchases: FlexIt24 PDKS at none against Retrace's 2. FlexIt24 PDKS also leads on iOS requirement (13.4 vs 18.0). Retrace's advantage is update cadence (every 5 days vs every 4 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Retrace sells 2 one-off in-app purchases. FlexIt24 PDKS asks for nothing beyond the download.

FlexIt24 PDKS ships an update every 4 weeks, Retrace every 5 days. The most recent releases landed on November 4, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | FlexIt24 PDKS | Retrace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Size | 21 MB | 47 MB |
| Requires iOS | **13.4** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cagri Surer](https://appshunter.io/developer/1482643732) | [Omer Faruk BALLI](https://appshunter.io/developer/1875248634) |

## What reviewers say

### FlexIt24 PDKS

[App page](https://appshunter.io/ios/app/flexit24-pdks/id6737042148)

**Features:** macOS Compatibility

**In-app purchases:** none


### Retrace

[App page](https://appshunter.io/ios/app/retrace-birth-time-explorer/id6813084298)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | one-time |
| Pro | $9.99 | one-time |


## Frequently asked questions

### Is FlexIt24 PDKS free?

FlexIt24 PDKS is free to download, with no in-app purchases.

### Is Retrace free?

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

### Do FlexIt24 PDKS or Retrace have ads?

Neither FlexIt24 PDKS nor Retrace shows ads.

### Which is updated more often, FlexIt24 PDKS or Retrace?

FlexIt24 PDKS ships an update every 4 weeks, and Retrace every 5 days. Most recently, FlexIt24 PDKS was updated on November 4, 2026 and Retrace on November 6, 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.*