# iOSKonf vs JustFlip

The clearest difference is in-app purchases: iOSKonf at none against JustFlip's 3. JustFlip's advantage is device support (4 vs 2). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. JustFlip sells 3 in-app purchases, starting at $1.99 per month. iOSKonf asks for nothing beyond the download.

iOSKonf ships an update every 4 days, JustFlip every 5 days. The most recent releases landed on September 19, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | iOSKonf | JustFlip |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 25 MB | 145 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Monika Mateska](https://appshunter.io/developer/1740030623) | [DANIEL CECH](https://appshunter.io/developer/1896564059) |

## What reviewers say

### iOSKonf

[App page](https://appshunter.io/ios/app/ioskonf/id6483004444)

**Features:** macOS Compatibility

**In-app purchases:** none


### JustFlip

[App page](https://appshunter.io/ios/app/justflip-flashcards/id6770141421)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JustFlip Pro Monthly | $1.99 | per month |
| JustFlip Pro Yearly | $5.99 | per year |
| JustFlip Pro Lifetime | $12.99 | one-time |


## Frequently asked questions

### Is iOSKonf free?

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

### Is JustFlip free?

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

### Do iOSKonf or JustFlip have ads?

Neither iOSKonf nor JustFlip shows ads.

### Which is updated more often, iOSKonf or JustFlip?

iOSKonf ships an update every 4 days, and JustFlip every 5 days. Most recently, iOSKonf was updated on September 19, 2026 and JustFlip on September 28, 2026.

---

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