# 土谛AI vs LuxTest

The clearest difference is price: 土谛AI at Free against LuxTest's $0.99. 土谛AI also leads on iOS requirement (12.0 vs 15.1). LuxTest's advantage is in-app purchases (none vs 3) and update cadence (monthly vs every 2 months). On ads and device support there is nothing between them.

土谛AI is free to download; LuxTest costs $0.99 up front. 土谛AI sells 3 one-off in-app purchases. LuxTest asks for nothing beyond the download.

土谛AI ships an update every 2 months, LuxTest monthly. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 土谛AI | LuxTest |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 71 MB | 35 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [广西捷佳润科技股份有限公司](https://appshunter.io/developer/1445111024) | [晓燕 王](https://appshunter.io/developer/1891891243) |

## What reviewers say

### 土谛AI

[App page](https://appshunter.io/ios/app/ai/id6737214230)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员费用 | $2.99 | one-time |
| 年会员费用 | $29.99 | one-time |
| 永久会员费用 | $39.99 | one-time |


### LuxTest

[App page](https://appshunter.io/ios/app/luxtest-study-light-meter/id6761891597)

**In-app purchases:** none


## Frequently asked questions

### Is 土谛AI free?

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

### Is LuxTest free?

LuxTest costs $0.99, with no in-app purchases.

### Do 土谛AI or LuxTest have ads?

Neither 土谛AI nor LuxTest shows ads.

### Which is updated more often, 土谛AI or LuxTest?

土谛AI ships an update every 2 months, and LuxTest monthly. Most recently, 土谛AI was updated on October 3, 2026 and LuxTest on October 2, 2026.

---

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