# Sigma Counter vs Phien

The clearest difference is update cadence: Phien at every 11 days against Sigma Counter's every 52 months. Sigma Counter's advantage is iOS requirement (9.0 vs 16.4). On price, ads, 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, Phien every 11 days. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Sigma Counter | Phien |
| --- | --- | --- |
| 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 | No |
| Update frequency | Every 52 months | **Every 11 days** |
| Monetization | Free | — |
| Size | 11 MB | 1 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Karen Grigorian](https://appshunter.io/developer/948320401) | [Thong Quang Vu](https://appshunter.io/developer/1700584615) |

## 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


### Phien

[App page](https://appshunter.io/ios/app/phien/id6479043976)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sigma Counter free?

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

### Is Phien free?

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

### Do Sigma Counter or Phien have ads?

Neither Sigma Counter nor Phien shows ads.

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

Sigma Counter ships an update every 52 months, and Phien every 11 days. Most recently, Sigma Counter was updated on October 7, 2026 and Phien on September 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.*