# 贵通三元催化 vs NextHold

The clearest difference is update cadence: NextHold at every 8 days against 贵通三元催化's every 9 months. 贵通三元催化's advantage is iOS requirement (9.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 贵通三元催化 sells 5 one-off in-app purchases and NextHold sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

贵通三元催化 ships an update every 9 months, NextHold every 8 days. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | 贵通三元催化 | NextHold |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 8 days** |
| Size | 12 MB | 2 MB |
| Requires iOS | **9.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [浩 兰](https://appshunter.io/developer/1549614818) | [扬斌 章](https://appshunter.io/developer/1794440914) |

## What reviewers say

### 贵通三元催化

[App page](https://appshunter.io/ios/app/id1550022825)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1个月会员 | $9.99 | one-time |
| 3个月会员 | $25.49 | one-time |
| 6个月会员 | $51.90 | one-time |
| 年会员 | $95.00 | one-time |
| 2年会员 | $161.99 | one-time |


### NextHold

[App page](https://appshunter.io/ios/app/nexthold/id6757859137)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $1.99 | one-time |


## Frequently asked questions

### Is 贵通三元催化 free?

贵通三元催化 is free to download, with in-app purchases available.

### Is NextHold free?

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

### Do 贵通三元催化 or NextHold have ads?

Neither 贵通三元催化 nor NextHold shows ads.

### Which is updated more often, 贵通三元催化 or NextHold?

贵通三元催化 ships an update every 9 months, and NextHold every 8 days. Most recently, 贵通三元催化 was updated on November 3, 2026 and NextHold on November 9, 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.*