# 波子记单 vs Screen Time Control

波子记单 and Screen Time Control both sit at 4.0 stars, but that hides the real split: 100% of 波子记单's written reviews are positive against 50% of Screen Time Control's. 波子记单 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Screen Time Control's advantage is update cadence (every 3 days vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. 波子记单 sells 3 in-app purchases, starting at $1.99 per month and Screen Time Control sells 2 in-app purchases, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.0 for 波子记单 against 4.0 for Screen Time Control. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 100% of 波子记单's written reviews are positive against 50% of Screen Time Control's.

波子记单 ships an update every 2 months, Screen Time Control every 3 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 波子记单 | Screen Time Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/id6757109059/reviews) | [4.0 (1 ratings)](https://appshunter.io/ios/app/screen-time-control-vow/id6760956693/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Subscription |
| Size | 36 MB | 24 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [国民 谢](https://appshunter.io/developer/1551522829) | [Kai Chi Tsao](https://appshunter.io/developer/1299477756) |

## What reviewers say

### 波子记单

[App page](https://appshunter.io/ios/app/id6757109059)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $1.99 | per month |
| 年度会员 | $12.99 | per year |
| 永久会员 | $24.99 | one-time |


### Screen Time Control

[App page](https://appshunter.io/ios/app/screen-time-control-vow/id6760956693)

This app helps you reclaim your time by blocking distracting applications and categories. Set daily goals, start focus sessions, and build streaks to protect your attention and spend more time on what matters.

**Highlights:** Set daily time goals, Block distracting apps and categories, Start focus sessions, Build streaks for momentum, Track progress and reclaim time, Create boundaries between impulse and intention

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vow Annual | $19.99 | per year |
| Vow Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is 波子记单 free?

波子记单 is free to download, with in-app purchases available.

### Is Screen Time Control free?

Screen Time Control is free to download, with in-app purchases available.

### Which has better reviews, 波子记单 or Screen Time Control?

波子记单 and Screen Time Control are both rated 4.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do 波子记单 or Screen Time Control have ads?

Neither 波子记单 nor Screen Time Control shows ads.

### Which is updated more often, 波子记单 or Screen Time Control?

波子记单 ships an update every 2 months, and Screen Time Control every 3 days. Most recently, 波子记单 was updated on October 24, 2026 and Screen Time Control on October 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.*