# ReaderElf vs KDCUHF

The clearest difference is update cadence: KDCUHF at every 2 months against ReaderElf's every 5 months. ReaderElf's advantage is iOS requirement (8.2 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReaderElf ships an update every 5 months, KDCUHF every 2 months. The most recent releases landed on October 10, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | ReaderElf | KDCUHF |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 2 MB | 22 MB |
| Requires iOS | **8.2** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [育明 李](https://appshunter.io/developer/572761656) | [KoamTac. Inc](https://appshunter.io/developer/372916605) |

## What reviewers say

### ReaderElf

[App page](https://appshunter.io/ios/app/readerelf/id572761653)

**In-app purchases:** none


### KDCUHF

[App page](https://appshunter.io/ios/app/kdcuhf/id1437614392)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ReaderElf free?

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

### Is KDCUHF free?

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

### Do ReaderElf or KDCUHF have ads?

Neither ReaderElf nor KDCUHF shows ads.

### Which is updated more often, ReaderElf or KDCUHF?

ReaderElf ships an update every 5 months, and KDCUHF every 2 months. Most recently, ReaderElf was updated on October 10, 2026 and KDCUHF on September 29, 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.*