# SolCalc vs ShutterLife

The clearest difference is price: SolCalc at Free against ShutterLife's $2.99. ShutterLife's advantage is in-app purchases (none vs 3). On update cadence, ads, device support and iOS requirement there is nothing between them.

SolCalc is free to download; ShutterLife costs $2.99 up front. SolCalc sells 3 in-app purchases, starting at $0.99 per month. ShutterLife asks for nothing beyond the download.

SolCalc ships an update every 3 weeks, ShutterLife every 2 weeks. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SolCalc | ShutterLife |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Paid |
| Size | 68 MB | 6 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Robert Ehrhardt](https://appshunter.io/developer/1027013898) | [Adriano Camonita](https://appshunter.io/developer/1838262639) |

## What reviewers say

### SolCalc

[App page](https://appshunter.io/ios/app/solcalc-sun-and-moon-tracker/id6761290665)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - 1 month | $0.99 | per month |
| Pro - 1 year | $6.99 | per year |
| Pro - Lifetime | $12.99 | one-time |


### ShutterLife

[App page](https://appshunter.io/ios/app/shutterlife-shutter-count/id6761454875)

Instantly check the shutter count of a used camera before buying or selling. Simply open a sample photo from the camera in the app to see its real shutter count. For sellers, generate a PDF report to build trust and get a better price.

**Highlights:** Read shutter count from photos, Check before buying used cameras, Generate PDF reports for selling, Works offline, no data upload, Supports JPG, CR2, CR3, NEF, ARW, RAF, PEF, DNG, Privacy-focused, on-device processing

**In-app purchases:** none


## Frequently asked questions

### Is SolCalc free?

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

### Is ShutterLife free?

ShutterLife costs $2.99, with no in-app purchases.

### Do SolCalc or ShutterLife have ads?

Neither SolCalc nor ShutterLife shows ads.

### Which is updated more often, SolCalc or ShutterLife?

SolCalc ships an update every 3 weeks, and ShutterLife every 2 weeks. Most recently, SolCalc was updated on October 13, 2026 and ShutterLife on October 14, 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.*