# Trinity vs Sphere.AI

The clearest difference is in-app purchases: Trinity at none against Sphere.AI's 9. Sphere.AI's advantage is update cadence (every 4 days vs every 9 days) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Sphere.AI sells 9 in-app purchases, starting at $14.99 per month. Trinity asks for nothing beyond the download.

Trinity ships an update every 9 days, Sphere.AI every 4 days. The most recent releases landed on September 13, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Trinity | Sphere.AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Size | 74 MB | 32 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Ho ming Lau](https://appshunter.io/developer/1829678631) | [WealthSphere (HK) Limited](https://appshunter.io/developer/6776480642) |

## What reviewers say

### Trinity

[App page](https://appshunter.io/ios/app/trinity/id6756862652)

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

**In-app purchases:** none


### Sphere.AI

[App page](https://appshunter.io/ios/app/sphereai/id6776480640)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sphere Lite Monthly | $14.99 | per month |
| Sphere Pro Monthly | $49.99 | per month |
| Sphere Max Monthly | $99.99 | per month |
| 500 Star Boost | $5.99 | one-time |
| 1200 Star Boost | $11.99 | one-time |
| 1500 Star Boost | $17.99 | one-time |
| 2500 Star Boost | $24.99 | one-time |
| 3000 Star Boost | $34.99 | one-time |
| 5000 Star Boost | $49.99 | one-time |


## Frequently asked questions

### Is Trinity free?

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

### Is Sphere.AI free?

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

### Do Trinity or Sphere.AI have ads?

Neither Trinity nor Sphere.AI shows ads.

### Which is updated more often, Trinity or Sphere.AI?

Trinity ships an update every 9 days, and Sphere.AI every 4 days. Most recently, Trinity was updated on September 13, 2026 and Sphere.AI on September 21, 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.*