# Space Trip Hidden Objects vs Harmonium Pro HD

The clearest difference is rating: Harmonium Pro HD at 2.2 against Space Trip Hidden Objects's 1.0. Harmonium Pro HD also leads on ads (none vs shown) and update cadence (every 2 months vs every 35 months). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Space Trip Hidden Objects sells 4 one-off in-app purchases and Harmonium Pro HD sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Harmonium Pro HD holds the better App Store score, 2.2 against 1.0. That said, the two scores are not equally well evidenced: Harmonium Pro HD has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Space Trip Hidden Objects's written reviews are positive against 11% of Harmonium Pro HD's.

Space Trip Hidden Objects ships an update every 35 months, Harmonium Pro HD every 2 months. The most recent releases landed on October 3, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Space Trip Hidden Objects | Harmonium Pro HD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/space-trip-hidden-objects/id871704478/reviews) | **[2.2 (5 ratings)](https://appshunter.io/ios/app/harmonium-pro-hd/id946040582/reviews)** |
| Number of ratings | 1 | **5** |
| Positive reviews | 0.0% of reviews | **11.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 35 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 214 MB | 74 MB |
| Requires iOS | 13.0 | **4.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [John Smith](https://appshunter.io/developer/483881207) | [YASH FUTURE TECH SOLUTIONS PVT. LTD.](https://appshunter.io/developer/437539314) |

## What reviewers say

### Space Trip Hidden Objects

[App page](https://appshunter.io/ios/app/space-trip-hidden-objects/id871704478)

Explore beautiful space scenes and find hidden objects. Use hints and zoom to locate items, and replay levels with new challenges. Skip difficult levels and come back to them later.

**Highlights:** Multiple beautiful scenes, Lots of hidden items, Hint and Zoom buttons, Level skipping, Replayable levels with new objects, More games available

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hint object | $0.99 | one-time |
| Skip level | $0.99 | one-time |
| Unlock all levels | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |


### Harmonium Pro HD

[App page](https://appshunter.io/ios/app/harmonium-pro-hd/id946040582)

Experience the rich sounds of a classical Indian music instrument with professional quality audio. This app allows you to play, record, and save your musical creations. Unlock all octaves and an ad-free experience with an upgrade.

**Highlights:** Professional quality sound, Play, record, and save music, Access to 2 octaves (free), Unlock all octaves (paid), Intuitive key navigation, Tested on multiple Apple devices

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Full Version | $1.99 | one-time |


## Frequently asked questions

### Is Space Trip Hidden Objects free?

Space Trip Hidden Objects is free to download, with in-app purchases available.

### Is Harmonium Pro HD free?

Harmonium Pro HD is free to download, with in-app purchases available.

### Which has better reviews, Space Trip Hidden Objects or Harmonium Pro HD?

Harmonium Pro HD is rated higher. Space Trip Hidden Objects averages 1.0 out of 5 from 1 ratings, while Harmonium Pro HD averages 2.2 from 5 ratings.

### Do Space Trip Hidden Objects or Harmonium Pro HD have ads?

Space Trip Hidden Objects shows ads; Harmonium Pro HD does not.

### Which is updated more often, Space Trip Hidden Objects or Harmonium Pro HD?

Space Trip Hidden Objects ships an update every 35 months, and Harmonium Pro HD every 2 months. Most recently, Space Trip Hidden Objects was updated on October 3, 2026 and Harmonium Pro HD on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*