# Trinity vs SPHERE AI

The clearest difference is in-app purchases: Trinity at none against SPHERE AI's 9. SPHERE AI's advantage is iOS requirement (15.0 vs 17.6). On price, update cadence, 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 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Trinity | SPHERE AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Size | 74 MB | 31 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/sphere-ai/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 5 days. Most recently, Trinity was updated on October 24, 2026 and SPHERE AI on October 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.*