# Deep Field vs Younison

The clearest difference is update cadence: Younison at fortnightly against Deep Field's every 4 months. Deep Field's advantage is iOS requirement (13.4 vs 18.0). On price, ads, 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.

Deep Field ships an update every 4 months, Younison fortnightly. The most recent releases landed on September 17, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Deep Field | Younison |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (15 ratings)](https://appshunter.io/ios/app/deep-field/id970046487/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 77.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 63 MB | 76 MB |
| Requires iOS | **13.4** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Music Productions, Ltd.](https://appshunter.io/developer/970046486) | [Advance Music Services](https://appshunter.io/developer/1763993225) |

## What reviewers say

### Deep Field

[App page](https://appshunter.io/ios/app/deep-field/id970046487)

Experience a musical performance inspired by space exploration and the Hubble Telescope. This app complements a live show and offers further details about its accompanying film.

**Highlights:** Inspired by Hubble Space Telescope, Live performance companion, Information on accompanying film, Created by Eric Whitacre

**In-app purchases:** none


### Younison

[App page](https://appshunter.io/ios/app/younison/id6651833705)

**In-app purchases:** none


## Frequently asked questions

### Is Deep Field free?

Deep Field is free to download, with no in-app purchases.

### Is Younison free?

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

### Do Deep Field or Younison have ads?

Neither Deep Field nor Younison shows ads.

### Which is updated more often, Deep Field or Younison?

Deep Field ships an update every 4 months, and Younison fortnightly. Most recently, Deep Field was updated on September 17, 2026 and Younison on September 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.*