# AXR vs 贵通三元催化

The clearest difference is in-app purchases: AXR at none against 贵通三元催化's 5. AXR also leads on update cadence (fortnightly vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 贵通三元催化 sells 5 one-off in-app purchases. AXR asks for nothing beyond the download.

AXR ships an update fortnightly, 贵通三元催化 every 9 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | AXR | 贵通三元催化 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 9 months |
| Size | 8 MB | 12 MB |
| Requires iOS | **8.0** | 9.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [轶飞 唐](https://appshunter.io/developer/1448968412) | [浩 兰](https://appshunter.io/developer/1549614818) |

## What reviewers say

### AXR

[App page](https://appshunter.io/ios/app/axr/id1475435116)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is AXR free?

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

### Is 贵通三元催化 free?

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

### Do AXR or 贵通三元催化 have ads?

Neither AXR nor 贵通三元催化 shows ads.

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

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