# Sigma Counter vs Count Things

The clearest difference is in-app purchases: Sigma Counter at none against Count Things's 3. Sigma Counter also leads on rating (4.8 vs 4.5) and ratings volume (6 vs 2). Count Things's advantage is update cadence (every 3 weeks vs every 52 months). On price, ads and device support there is nothing between them.

Both are free to download. Count Things sells 3 in-app purchases, starting at $2.99 per 7 days. Sigma Counter asks for nothing beyond the download.

Sigma Counter holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

Sigma Counter ships an update every 52 months, Count Things every 3 weeks. The most recent releases landed on October 7, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Sigma Counter | Count Things |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/sigma-counter/id1180349975/reviews)** | [4.5 (2 ratings)](https://appshunter.io/ios/app/count-things-photo-counting/id6749637587/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 52 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 59 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Karen Grigorian](https://appshunter.io/developer/948320401) | [KnotSmith Ltd.](https://appshunter.io/developer/1817434588) |

## What reviewers say

### 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


### Count Things

[App page](https://appshunter.io/ios/app/count-things-photo-counting/id6749637587)

This AI-powered utility app uses advanced machine learning to quickly and accurately count objects from photos. It supports a wide range of items, from industrial materials to small personal objects, and offers manual adjustments and exportable reports.

**Highlights:** AI-powered object detection and counting, Manual adjustment of counts, Support for diverse object types, Offline functionality, Save and organize counting sessions, Export reports as PDF/JPEG

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 Week | $2.99 | per 7 days |
| Premium for 1 Month | $4.99 | per month |
| Premium Lifetime | $8.99 | one-time |


## Frequently asked questions

### Is Sigma Counter free?

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

### Is Count Things free?

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

### Which has better reviews, Sigma Counter or Count Things?

Sigma Counter is rated higher. Sigma Counter averages 4.8 out of 5 from 6 ratings, while Count Things averages 4.5 from 2 ratings.

### Do Sigma Counter or Count Things have ads?

Neither Sigma Counter nor Count Things shows ads.

### Which is updated more often, Sigma Counter or Count Things?

Sigma Counter ships an update every 52 months, and Count Things every 3 weeks. Most recently, Sigma Counter was updated on October 7, 2026 and Count Things on October 22, 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.*