# OceanShine vs Sum

The clearest difference is in-app purchases: OceanShine at none against Sum's 1. OceanShine also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sum sells 1 one-off in-app purchase. OceanShine asks for nothing beyond the download.

OceanShine ships an update every 2 weeks, Sum every 11 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | OceanShine | Sum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (41 ratings)](https://appshunter.io/ios/app/oceanshine/id6756296700/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 297 MB | 11 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [婷婷 孔](https://appshunter.io/developer/1857713189) | [Yuttana Suttasupa](https://appshunter.io/developer/1273947543) |

## What reviewers say

### OceanShine

[App page](https://appshunter.io/ios/app/oceanshine/id6756296700)

Engage in a 3D underwater matching game where you slide marine treasures like fish and seashells into collector slots. Match three identical items to clear them and avoid filling the slots to continue the adventure. Enjoy smooth controls and a unique spatial planning challenge.

**Highlights:** 3D underwater marine models, 360° rotating shelf, Swipe to slide and match 3, Slot-cap challenge, Pause anytime, Smooth drag controls

**Features:** macOS Compatibility

**In-app purchases:** none


### Sum

[App page](https://appshunter.io/ios/app/sum-thing-math-link-puzzle/id6809030003)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is OceanShine free?

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

### Is Sum free?

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

### Do OceanShine or Sum have ads?

Both OceanShine and Sum show ads.

### Which is updated more often, OceanShine or Sum?

OceanShine ships an update every 2 weeks, and Sum every 11 days. Most recently, OceanShine was updated on October 24, 2026 and Sum on October 24, 2026.

---

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