# 志伟 vs CalcKing Pro

The clearest difference is in-app purchases: 志伟 at none against CalcKing Pro's 1. 志伟 also leads on iOS requirement (12.0 vs 15.0). CalcKing Pro's advantage is ads (none vs shown) and update cadence (weekly vs every 8 months). On price and device support there is nothing between them.

Both are free to download. CalcKing Pro sells 1 one-off in-app purchase. 志伟 asks for nothing beyond the download.

志伟 ships an update every 8 months, CalcKing Pro weekly. The most recent releases landed on October 12, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 志伟 | CalcKing Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Weekly** |
| Size | 9 MB | 2 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [辉 李](https://appshunter.io/developer/1653911541) | [文娟 唐](https://appshunter.io/developer/1870722016) |

## What reviewers say

### 志伟

[App page](https://appshunter.io/ios/app/id6444673864)

**In-app purchases:** none


### CalcKing Pro

[App page](https://appshunter.io/ios/app/calcking-pro-professional/id6758431895)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解锁功能 | $3.99 | one-time |


## Frequently asked questions

### Is 志伟 free?

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

### Is CalcKing Pro free?

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

### Do 志伟 or CalcKing Pro have ads?

志伟 shows ads; CalcKing Pro does not.

### Which is updated more often, 志伟 or CalcKing Pro?

志伟 ships an update every 8 months, and CalcKing Pro weekly. Most recently, 志伟 was updated on October 12, 2026 and CalcKing Pro on October 4, 2026.

---

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