# Flash Notes vs OnDeen Organiser

The clearest difference is in-app purchases: OnDeen Organiser at none against Flash Notes's 2. OnDeen Organiser also leads on iOS requirement (15.1 vs 17.0). Flash Notes's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Flash Notes sells 2 in-app purchases, starting at $2.99 per month. OnDeen Organiser asks for nothing beyond the download.

Flash Notes ships an update every 3 days, OnDeen Organiser every 3 weeks. The most recent releases landed on October 3, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Flash Notes | OnDeen Organiser |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 7 MB | 75 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [cr3studio ltd](https://appshunter.io/developer/791943947) | [ALIF Solutions DMCC](https://appshunter.io/developer/1574844536) |

## What reviewers say

### Flash Notes

[App page](https://appshunter.io/ios/app/flash-notes/id6447589490)

Transform your learning with AI-powered flashcards generated from your notes. This app uses spaced repetition algorithms to adapt to your pace and syncs seamlessly across iOS and macOS devices. It's designed for advanced learners seeking a personalized and efficient way to master new concepts and vocabulary.

**Highlights:** AI-powered flashcard generation, Spaced repetition learning algorithms, Seamless multi-device synchronization, Secure iCloud data storage, Personalized learning experience

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly Subscription | $2.99 | per month |
| Pro Yearly Subscription | $29.99 | per year |


### OnDeen Organiser

[App page](https://appshunter.io/ios/app/ondeen-organiser/id6740030819)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flash Notes free?

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

### Is OnDeen Organiser free?

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

### Do Flash Notes or OnDeen Organiser have ads?

Neither Flash Notes nor OnDeen Organiser shows ads.

### Which is updated more often, Flash Notes or OnDeen Organiser?

Flash Notes ships an update every 3 days, and OnDeen Organiser every 3 weeks. Most recently, Flash Notes was updated on October 3, 2026 and OnDeen Organiser 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.*