# Sigma vs StarPause

The clearest difference is in-app purchases: Sigma at none against StarPause's 2. Sigma also leads on iOS requirement (14.0 vs 18.0). StarPause's advantage is update cadence (every 2 days vs weekly). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. StarPause sells 2 in-app purchases, starting at $6.99 per year. Sigma asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for Sigma against 4.4 for StarPause. Both are backed by a comparable volume of ratings — 56 and 22 respectively. Written reviews split almost evenly too, at 87% and 86% positive.

Sigma ships an update weekly, StarPause every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sigma | StarPause |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (56 ratings)](https://appshunter.io/ios/app/sigma-ai/id6743433033/reviews)** | [4.4 (22 ratings)](https://appshunter.io/ios/app/starpause-stop-scrolling/id6757177033/reviews) |
| Number of ratings | **56** | 22 |
| Positive reviews | **86.8% of reviews** | 86.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | **Free** | Freemium |
| Size | 232 MB | 242 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Chaoshi Technology (Shanghai) Co., Ltd.](https://appshunter.io/developer/1520053656) | [Hangzhou Jihe Digital Culture and Creativity Co., Ltd.](https://appshunter.io/developer/1865089471) |

## What reviewers say

### Sigma

[App page](https://appshunter.io/ios/app/sigma-ai/id6743433033)

This app offers a distraction-free running experience with detailed daily, weekly, and monthly analysis of your runs. It visualizes your running data and creates a map diary of your routes and moods, with AI-powered personalized coaching based on your history.

**Highlights:** Distraction-free running recording, Daily, weekly, monthly analysis, Map diary of routes and moods, AI-powered personalized coaching, Visualized calorie consumption, Data migration from multiple devices

**In-app purchases:** none


### StarPause

[App page](https://appshunter.io/ios/app/starpause-stop-scrolling/id6757177033)

This app helps you regain control over your phone usage. It prompts you to consider your need for an app before opening it and allows you to set time limits. Earn rewards by putting your phone down or staying focused.

**Highlights:** App usage prompts, Customizable time limits, Focus session timer, Reward system for breaks, Digital well-being tracker

**Features:** Safari Extension

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StarPaus Pro - 1 Year | $6.99 | per year |
| Pro Lifetime | $12.99 | one-time |


## Frequently asked questions

### Is Sigma free?

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

### Is StarPause free?

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

### Which has better reviews, Sigma or StarPause?

Sigma is rated higher. Sigma averages 4.5 out of 5 from 56 ratings, while StarPause averages 4.4 from 22 ratings.

### Do Sigma or StarPause have ads?

Neither Sigma nor StarPause shows ads.

### Which is updated more often, Sigma or StarPause?

Sigma ships an update weekly, and StarPause every 2 days. Most recently, Sigma was updated on October 30, 2026 and StarPause 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.*