# CFR 7 vs WKM e

The clearest difference is in-app purchases: WKM e at none against CFR 7's 3. WKM e also leads on update cadence (monthly vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CFR 7 sells 3 one-off in-app purchases. WKM e asks for nothing beyond the download.

CFR 7 ships an update every 12 months, WKM e monthly. Both last shipped on October 27, 2026.

## The numbers

| Metric | CFR 7 | WKM e |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Size | 144 MB | 26 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Lyker Labs LLC](https://appshunter.io/developer/891194494) | [The Golden jubilee Museum of Agriculture Office (Public Organization)](https://appshunter.io/developer/1471881654) |

## What reviewers say

### CFR 7

[App page](https://appshunter.io/ios/app/cfr-7-agriculture/id1557790913)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CFR Title 7 Week | $4.99 | one-time |
| CFR Title 7 Month | $12.99 | one-time |
| CFR Title 7 Year | $44.99 | one-time |


### WKM e

[App page](https://appshunter.io/ios/app/wkm-e-library/id6450950820)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CFR 7 free?

CFR 7 is free to download, with in-app purchases available.

### Is WKM e free?

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

### Do CFR 7 or WKM e have ads?

Neither CFR 7 nor WKM e shows ads.

### Which is updated more often, CFR 7 or WKM e?

CFR 7 ships an update every 12 months, and WKM e monthly. Most recently, CFR 7 was updated on October 27, 2026 and WKM e on October 27, 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.*