# Thiên Cơ vs UNETI Library

Thiên Cơ and UNETI Library are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Thiên Cơ ships an update every 2 months, UNETI Library monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Thiên Cơ | UNETI Library |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 25 MB | 95 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Vo Trong Nghia](https://appshunter.io/developer/1590419979) | [D&L Technology Integration And Consulting Joint Stock Company](https://appshunter.io/developer/1436285979) |

## What reviewers say

### Thiên Cơ

[App page](https://appshunter.io/ios/app/thien-co/id1590419977)

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

**In-app purchases:** none


### UNETI Library

[App page](https://appshunter.io/ios/app/uneti-library/id6473888795)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thiên Cơ free?

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

### Is UNETI Library free?

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

### Do Thiên Cơ or UNETI Library have ads?

Neither Thiên Cơ nor UNETI Library shows ads.

### Which is updated more often, Thiên Cơ or UNETI Library?

Thiên Cơ ships an update every 2 months, and UNETI Library monthly. Most recently, Thiên Cơ was updated on November 3, 2026 and UNETI Library on October 30, 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.*