# Sigma vs Emoke

The clearest difference is rating: Emoke at 5.0 against Sigma's 4.5. Emoke also leads on review sentiment (96% vs 87%). Sigma's advantage is in-app purchases (none vs 2) and ratings volume (55 vs 4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Emoke sells 2 in-app purchases, starting at $1.99 per month. Sigma asks for nothing beyond the download.

Emoke holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Sigma has 55 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 87% of Sigma's written reviews are positive against 96% of Emoke's.

Both ship on a similar rhythm, roughly weekly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Sigma | Emoke |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (55 ratings)](https://appshunter.io/ios/app/sigma-ai/id6743433033/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/emoke/id6754638139/reviews)** |
| Number of ratings | **55** | 4 |
| Positive reviews | 86.8% of reviews | **96.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 231 MB | 158 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Chaoshi Technology (Shanghai) Co., Ltd.](https://appshunter.io/developer/1520053656) | [Wenxiu Huang](https://appshunter.io/developer/1802451230) |

## What reviewers say

### Sigma

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

This app offers a clean and engaging running experience with detailed analysis and personalized AI coaching. Track your runs, visualize your progress, and collect memories of your journeys on a unique map diary.

**Highlights:** Ad-free running experience, Daily, weekly, and monthly analysis, Map diary of runs and moods, AI-powered personalized coaching, Visualized calorie consumption, Data migration from popular wearables

**In-app purchases:** none


### Emoke

[App page](https://appshunter.io/ios/app/emoke/id6754638139)

This app offers a gentle way to track your daily emotions through a unique journaling ritual. It allows you to log feelings with stickers and short notes, then visualize them as a fading mood roll with a mindful breathing exercise. Gain insights into your emotional patterns over time without pressure.

**Highlights:** Mood journaling ritual, Mood sticker selection, Short note entries, Visual mood roll, Mindful breathing cues, Emotional pattern tracking, Mood statistics

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| emoke Pro (Monthly) | $1.99 | per month |
| emoke Pro (Lifetime) | $9.99 | one-time |


## Frequently asked questions

### Is Sigma free?

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

### Is Emoke free?

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

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

Emoke is rated higher. Sigma averages 4.5 out of 5 from 55 ratings, while Emoke averages 5.0 from 4 ratings.

### Do Sigma or Emoke have ads?

Neither Sigma nor Emoke shows ads.

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

Sigma ships an update weekly, and Emoke weekly. Most recently, Sigma was updated on October 28, 2026 and Emoke on October 28, 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.*