# Tolerance Master vs 钣金计算器

The clearest difference is update cadence: 钣金计算器 at every 5 weeks against Tolerance Master's every 6 months. 钣金计算器 also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Tolerance Master sells 1 in-app purchase, starting at $0.99 per month and 钣金计算器 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Tolerance Master ships an update every 6 months, 钣金计算器 every 5 weeks. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Tolerance Master | 钣金计算器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Size | 3 MB | 65 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [磊 高](https://appshunter.io/developer/1879509033) | [靖翔 尚](https://appshunter.io/developer/1889801343) |

## What reviewers say

### Tolerance Master

[App page](https://appshunter.io/ios/app/tolerance-master/id6759722609)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $0.99 | per month |


### 钣金计算器

[App page](https://appshunter.io/ios/app/id6761712746)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $2.99 | one-time |
| 年度会员 | $5.99 | one-time |
| 永久会员 | $11.99 | one-time |


## Frequently asked questions

### Is Tolerance Master free?

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

### Is 钣金计算器 free?

钣金计算器 is free to download, with in-app purchases available.

### Do Tolerance Master or 钣金计算器 have ads?

Neither Tolerance Master nor 钣金计算器 shows ads.

### Which is updated more often, Tolerance Master or 钣金计算器?

Tolerance Master ships an update every 6 months, and 钣金计算器 every 5 weeks. Most recently, Tolerance Master was updated on October 31, 2026 and 钣金计算器 on November 5, 2026.

---

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