# ondojo vs C2 Flanker Task

The clearest difference is review sentiment: C2 Flanker Task at 100% against ondojo's 50%. C2 Flanker Task also leads on in-app purchases (none vs 10). ondojo's advantage is price (Free vs $3.99) and update cadence (every 4 weeks vs every 12 months). On ads, device support and iOS requirement there is nothing between them.

ondojo is free to download; C2 Flanker Task costs $3.99 up front. ondojo sells 10 in-app purchases, starting at $1.99 per month. C2 Flanker Task asks for nothing beyond the download.

ondojo ships an update every 4 weeks, C2 Flanker Task every 12 months. The most recent releases landed on August 5, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | ondojo | C2 Flanker Task |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 12 months |
| Monetization | **Freemium** | Paid |
| Size | 153 MB | 1 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BANDAO Guidance GmbH](https://appshunter.io/developer/1502152339) | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) |

## What reviewers say

### ondojo

[App page](https://appshunter.io/ios/app/ondojo-training-competencies/id1502152340)

This app offers a virtual training space for personal development, guiding users through self-reflection to identify strengths and overcome limitations. It helps activate full potential by building a strong mindset and playfully developing skills for everyday life.

**Highlights:** Game-like self-assessment, Over 100 skill topics, Guided self-reflection sessions, Concrete recommendations for action, Daily inspiration and tasks, Practical guides for work situations, Neuro-didactic learning methods

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ondojo Academics monatlich | $1.99 | per month |
| ondojo Plus monatlich | $9.49 | per month |
| ondojo Academics jährlich | $17.99 | per year |
| ondojo Plus jährlich | $24.99 | per year |
| Agile Challenge Special | $3.99 | one-time |
| TheROC Report Kategorie | $3.99 | one-time |
| TheROC Full Report | $17.99 | one-time |
| ondojo Lifetime | $44.99 | one-time |
| TheROC Full Report Bundle | $44.99 | one-time |
| ondojo Sales | $84.99 | one-time |


### 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


## Frequently asked questions

### Is ondojo free?

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

### Is C2 Flanker Task free?

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

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

Neither ondojo nor C2 Flanker Task shows ads.

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

ondojo ships an update every 4 weeks, and C2 Flanker Task every 12 months. Most recently, ondojo was updated on August 5, 2026 and C2 Flanker Task on August 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*