# C2 Flanker Task vs Hours

The clearest difference is review sentiment: C2 Flanker Task at 100% against Hours's 0%. C2 Flanker Task also leads on in-app purchases (none vs 1). Hours's advantage is price (Free vs $3.99). On update cadence, ads, device support and iOS requirement there is nothing between them.

Hours is free to download; C2 Flanker Task costs $3.99 up front. Hours sells 1 one-off in-app purchase. C2 Flanker Task asks for nothing beyond the download.

C2 Flanker Task ships an update every 12 months, Hours every 8 months. The most recent releases landed on August 31, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | C2 Flanker Task | Hours |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/hours-track-study/id6450243600/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 8 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 11 MB |
| Requires iOS | 15.6 | **15.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [Jordan Holland](https://appshunter.io/developer/1041851744) |

## What reviewers say

### C2 Flanker Task

[App page](https://appshunter.io/ios/app/c2-flanker-task/id1629584722)

This app measures response times for a flanker task, recording data in milliseconds. Export your results to a CSV file for analysis in spreadsheet applications. Customize the task by altering coloring, background brightness, and arrow shapes.

**Highlights:** Measures response time in milliseconds, CSV data export for spreadsheets, Customizable task parameters, Analyzes flanker task effects, Supports iPhone and iPad

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

**In-app purchases:** none


### Hours

[App page](https://appshunter.io/ios/app/hours-track-study/id6450243600)

Effortlessly track your daily study sessions and monitor your progress towards learning goals. The app allows you to log time, view totals, and even offers a widget for quick checks. It also provides estimated study hours for various professional certifications.

**Highlights:** Log daily study time, View total accumulated study time, Add multiple time durations per day, Delete study records, Home screen widget for quick access, Reference study hours for certifications

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


## Frequently asked questions

### Is C2 Flanker Task free?

C2 Flanker Task costs $3.99, with no in-app purchases.

### Is Hours free?

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

### Do C2 Flanker Task or Hours have ads?

Neither C2 Flanker Task nor Hours shows ads.

### Which is updated more often, C2 Flanker Task or Hours?

C2 Flanker Task ships an update every 12 months, and Hours every 8 months. Most recently, C2 Flanker Task was updated on August 31, 2026 and Hours 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.*