# Parent SDU vs Deck Lens

The clearest difference is ads: Parent SDU at none against Deck Lens's shown. Parent SDU also leads on iOS requirement (13.0 vs 15.1). Deck Lens's advantage is update cadence (every 10 days vs every 3 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Parent SDU ships an update every 3 weeks, Deck Lens every 10 days. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Parent SDU | Deck Lens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 20 MB | 43 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 12+ |
| Developer | [SDUTechnopark](https://appshunter.io/developer/1326481043) | [Kadir Caner Ergun](https://appshunter.io/developer/1883801098) |

## What reviewers say

### Parent SDU

[App page](https://appshunter.io/ios/app/parent-sdu/id6757148768)

**Features:** macOS Compatibility

**In-app purchases:** none


### Deck Lens

[App page](https://appshunter.io/ios/app/deck-lens/id6760315121)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Parent SDU free?

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

### Is Deck Lens free?

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

### Do Parent SDU or Deck Lens have ads?

Deck Lens shows ads; Parent SDU does not.

### Which is updated more often, Parent SDU or Deck Lens?

Parent SDU ships an update every 3 weeks, and Deck Lens every 10 days. Most recently, Parent SDU was updated on September 15, 2026 and Deck Lens on September 9, 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.*