# CountClusters vs Sigma Counter

The clearest difference is review sentiment: Sigma Counter at 100% against CountClusters's 0%. Sigma Counter also leads on rating (4.8 vs 2.0). CountClusters's advantage is update cadence (every 2 weeks vs every 52 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sigma Counter holds the better App Store score, 4.8 against 2.0. Both are backed by a comparable volume of ratings — 4 and 6 respectively. Written reviews point the same way: 0% of CountClusters's written reviews are positive against 100% of Sigma Counter's.

CountClusters ships an update every 2 weeks, Sigma Counter every 52 months. The most recent releases landed on September 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CountClusters | Sigma Counter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (4 ratings)](https://appshunter.io/ios/app/countclusters/id1040750180/reviews) | **[4.8 (6 ratings)](https://appshunter.io/ios/app/sigma-counter/id1180349975/reviews)** |
| Number of ratings | 4 | **6** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 52 months |
| Monetization | Free | Free |
| Size | 35 MB | 11 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dynamic Ventures, Inc.](https://appshunter.io/developer/921987312) | [Karen Grigorian](https://appshunter.io/developer/948320401) |

## What reviewers say

### CountClusters

[App page](https://appshunter.io/ios/app/countclusters/id1040750180)

Quickly count various objects using your mobile device by taking a photo and letting advanced computer vision technology tag and number each item. Easily fix mistakes and create custom counting templates for specialized items. Start with free object counting and upgrade for business use.

**Highlights:** Object counting via photos, Advanced computer vision, Numbered item tags, Mistake correction, Custom counting templates, Free initial counting

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

**In-app purchases:** none


### Sigma Counter

[App page](https://appshunter.io/ios/app/sigma-counter/id1180349975)

Easily count objects in your photos by tapping them. Save and share your counted images via email or social networks. Utilize specialized tools for marking sequential or grid-like object arrangements.

**Highlights:** Tap to count objects, Use photos from library or new photos, Save and share counted images, Line tool for sequential objects, Multiplication tool for grid layouts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CountClusters free?

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

### Is Sigma Counter free?

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

### Which has better reviews, CountClusters or Sigma Counter?

Sigma Counter is rated higher. CountClusters averages 2.0 out of 5 from 4 ratings, while Sigma Counter averages 4.8 from 6 ratings.

### Do CountClusters or Sigma Counter have ads?

Neither CountClusters nor Sigma Counter shows ads.

### Which is updated more often, CountClusters or Sigma Counter?

CountClusters ships an update every 2 weeks, and Sigma Counter every 52 months. Most recently, CountClusters was updated on September 25, 2026 and Sigma Counter on October 7, 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.*