# 可言行测计时器 vs SmartPB

The clearest difference is price: SmartPB at Free against 可言行测计时器's $0.99. SmartPB also leads on iOS requirement (15.0 vs 17.1). 可言行测计时器's advantage is update cadence (every 11 days vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

SmartPB is free to download; 可言行测计时器 costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

可言行测计时器 ships an update every 11 days, SmartPB every 2 months. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 可言行测计时器 | SmartPB |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 months |
| Size | 11 MB | 22 MB |
| Requires iOS | 17.1 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [科焰 黄](https://appshunter.io/developer/1836755074) | [南京沁恒微电子股份有限公司](https://appshunter.io/developer/1580700719) |

## What reviewers say

### 可言行测计时器

[App page](https://appshunter.io/ios/app/id6751776729)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### SmartPB

[App page](https://appshunter.io/ios/app/smartpb/id6760346150)

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

**In-app purchases:** none


## Frequently asked questions

### Is 可言行测计时器 free?

可言行测计时器 costs $0.99, with no in-app purchases.

### Is SmartPB free?

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

### Do 可言行测计时器 or SmartPB have ads?

Neither 可言行测计时器 nor SmartPB shows ads.

### Which is updated more often, 可言行测计时器 or SmartPB?

可言行测计时器 ships an update every 11 days, and SmartPB every 2 months. Most recently, 可言行测计时器 was updated on November 8, 2026 and SmartPB on October 31, 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.*