# Sigma Counter vs 4 buttons camera

The clearest difference is ads: Sigma Counter at none against 4 buttons camera's shown. Sigma Counter also leads on iOS requirement (9.0 vs 15.8.3). 4 buttons camera's advantage is update cadence (every 2 weeks vs every 52 months). On price, in-app purchases and device support 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 ships an update every 52 months, 4 buttons camera every 2 weeks. The most recent releases landed on June 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Sigma Counter | 4 buttons camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/sigma-counter/id1180349975/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 52 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 11 MB | 37 MB |
| Requires iOS | **9.0** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Karen Grigorian](https://appshunter.io/developer/948320401) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## 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


### 4 buttons camera

[App page](https://appshunter.io/ios/app/4-buttons-camera/id6502266902)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sigma Counter free?

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

### Is 4 buttons camera free?

4 buttons camera is free to download, with no in-app purchases.

### Do Sigma Counter or 4 buttons camera have ads?

4 buttons camera shows ads; Sigma Counter does not.

### Which is updated more often, Sigma Counter or 4 buttons camera?

Sigma Counter ships an update every 52 months, and 4 buttons camera every 2 weeks. Most recently, Sigma Counter was updated on June 1, 2026 and 4 buttons camera on September 17, 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.*