# ShutterCount Mobile vs PSI OCS

The clearest difference is review sentiment: ShutterCount Mobile at 55% against PSI OCS's 0%. ShutterCount Mobile also leads on chart position (#24 vs unranked) and ratings volume (66 vs 19). PSI OCS's advantage is price (Free vs $9.99) and rating (4.1 vs 3.3). On update cadence, ads and device support there is nothing between them.

PSI OCS is free to download; ShutterCount Mobile costs $9.99 up front. ShutterCount Mobile sells 3 one-off in-app purchases. PSI OCS asks for nothing beyond the download.

PSI OCS holds the better App Store score, 4.1 against 3.3. Both are backed by a comparable volume of ratings — 66 and 19 respectively. Written reviews complicate that: 55% of ShutterCount Mobile's written reviews are positive against 0% of PSI OCS's, so the app with the better star average is not the one people write more warmly about.

ShutterCount Mobile ships an update every 3 months, PSI OCS every 2 months. The most recent releases landed on October 16, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | ShutterCount Mobile | PSI OCS |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [3.3 (66 ratings)](https://appshunter.io/ios/app/shuttercount-mobile/id1084325249/reviews) | **[4.1 (19 ratings)](https://appshunter.io/ios/app/psi-ocs/id1095604732/reviews)** |
| Number of ratings | **66** | 19 |
| Positive reviews | **54.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#24** | — |
| Size | 5 MB | 52 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DIRE Studio](https://appshunter.io/developer/362492883) | [SOFTTECH NETWORK COMPANY LIMITED](https://appshunter.io/developer/1095604731) |

## What reviewers say

### ShutterCount Mobile

[App page](https://appshunter.io/ios/app/shuttercount-mobile/id1084325249)

**Currently charting:** #24 Top Paid · Photo & Video (US App Store)

This app reads the shutter actuation count for Canon, Nikon, and Pentax digital cameras. It helps determine a camera's usage, check if a pre-owned item is truly new, and avoid service center trips. Features include unlimited readings, wear indicators, and history logging.

**Highlights:** Unlimited shutter count readings, Shutter wear indicator, History logging in CSV format, Live View and electronic shutter counters (optional), Graphing and shutter life forecasting (optional), Canon EOS camera management (optional)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Feature Level 6 to 7 Upgrade | $1.99 | one-time |
| Live View Pack | $5.00 | one-time |
| Plus Pack | $7.00 | one-time |

**What reviewers like**

- ✅ Works reliably when properly configured
- ⚡ Quick shutter count retrieval (5 minutes or less)
- 💰 One-time purchase, no recurring fees
- 📱 Compatible with multiple Canon camera models
- 🎯 Accurate shutter count readings

**What reviewers complain about**

- 🔌 Complex connection setup process
- ❌ High failure rate for certain camera models
- 📚 Vague and unclear instructions for beginners
- 💸 Expensive for a single-purpose utility app
- 🚫 Limited camera model compatibility

**Reported bugs**

- WiFi pairing fails on certain camera models
- App doesn't connect despite correct configuration
- Shutter count displays as zero on mobile version
- Inconsistent readings between mobile and desktop versions
- Connection timeout issues lasting 30+ minutes

**Requested features**

- Clearer, more detailed step-by-step instructions per camera model
- German language version
- Improved error messages with troubleshooting guidance
- Support for non-mechanical actuation differentiation
- Lower price point ($2.99-$3.99 range)


### PSI OCS

[App page](https://appshunter.io/ios/app/psi-ocs/id1095604732)

This app enhances network communication for remote viewing and data transmission. It effectively resolves dynamic IP and no public IP issues in various network environments, offering improved performance over similar solutions.

**Highlights:** New transmission system, Large server network, Improved connection rate, Faster transmission speed, Solves dynamic IP issues, Solves no public IP issues, Uses CDN technology

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ShutterCount Mobile free?

ShutterCount Mobile costs $9.99, and also offers in-app purchases.

### Is PSI OCS free?

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

### Which has better reviews, ShutterCount Mobile or PSI OCS?

PSI OCS is rated higher. ShutterCount Mobile averages 3.3 out of 5 from 66 ratings, while PSI OCS averages 4.1 from 19 ratings.

### Do ShutterCount Mobile or PSI OCS have ads?

Neither ShutterCount Mobile nor PSI OCS shows ads.

### Which is updated more often, ShutterCount Mobile or PSI OCS?

ShutterCount Mobile ships an update every 3 months, and PSI OCS every 2 months. Most recently, ShutterCount Mobile was updated on October 16, 2026 and PSI OCS on September 23, 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.*