# SitzProbe vs Precursor

The clearest difference is update cadence: Precursor at weekly against SitzProbe's every 3 weeks. Precursor also leads on ratings volume (14 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. SitzProbe sells 2 in-app purchases, starting at $0.99 per month and Precursor sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for SitzProbe against 4.9 for Precursor. That said, the two scores are not equally well evidenced: Precursor has 14 ratings behind it against 1, so its average is the more settled of the two.

SitzProbe ships an update every 3 weeks, Precursor weekly. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SitzProbe | Precursor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sitzprobe/id6502870044/reviews)** | [4.9 (14 ratings)](https://appshunter.io/ios/app/precursor-screen-time-limit/id6791403654/reviews) |
| Number of ratings | 1 | **14** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Freemium | Freemium |
| Size | 15 MB | 17 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Anderson](https://appshunter.io/developer/1747143597) | [Precursor Labs](https://appshunter.io/developer/6791403656) |

## What reviewers say

### SitzProbe

[App page](https://appshunter.io/ios/app/sitzprobe/id6502870044)

This app uses spaced repetition to help you master any set of tasks. It intelligently schedules practice sessions based on your performance and tracks your progress over time. Your data is kept private and can sync across devices.

**Highlights:** Task management with details, Intelligent practice scheduling, Progress tracking and analytics, Offline functionality, iCloud synchronization

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Yearly | $5.99 | per year |


### Precursor

[App page](https://appshunter.io/ios/app/precursor-screen-time-limit/id6791403654)

This app helps you manage your screen time by setting hourly limits for specific applications. It resets your allowance each hour, preventing you from exceeding daily limits and promoting sustainable usage habits without guilt.

**Highlights:** Set hourly app limits, Automatic hourly reset, Customizable daily limits, Friction to prevent impulsive overrides, Privacy-focused design, Optional premium features

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $49.99 | per year |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is SitzProbe free?

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

### Is Precursor free?

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

### Which has better reviews, SitzProbe or Precursor?

SitzProbe is rated higher. SitzProbe averages 5.0 out of 5 from 1 ratings, while Precursor averages 4.9 from 14 ratings.

### Do SitzProbe or Precursor have ads?

Neither SitzProbe nor Precursor shows ads.

### Which is updated more often, SitzProbe or Precursor?

SitzProbe ships an update every 3 weeks, and Precursor weekly. Most recently, SitzProbe was updated on November 4, 2026 and Precursor 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.*