# Drug Half-Life Calculator vs Eyewear prescription form

> Drug Half-Life Calculator vs Eyewear prescription form compared on installs, downloads, ratings, updates, compatibility and support. Eyewear prescription form comes out ahead, winning 6 of 6 head-to-head checks against Drug Half-Life Calculator.

**Eyewear prescription form comes out ahead, winning 6 of 6 head-to-head checks against Drug Half-Life Calculator.** Choose Eyewear prescription form if you care most about downloads (30 days), download trend and reviews.

| | Drug Half-Life Calculator | Eyewear prescription form |
|---|---|---|
| Active installs | 10+ | 10+ |
| Downloads (30 days) | 40 | 241 ✅ |
| Download trend | +42.9% | +82.6% ✅ |
| Rating | — | 4.6/5 |
| Reviews | 0 | 10 ✅ |
| Health score | 23/100 | 71/100 ✅ |
| Last updated | 14 years ago | 2 weeks ago ✅ |
| Tested up to | WP 3.5.2 | WP 7.0.7 ✅ |
| Support resolved | — | — |
| Requires PHP | Any | 5.0+ |
| First released | Aug 2012 | May 2020 |

## Frequently asked questions

### Which is better, Drug Half-Life Calculator or Eyewear prescription form?
Eyewear prescription form comes out ahead, winning 6 of 6 head-to-head checks against Drug Half-Life Calculator.  Choose Eyewear prescription form if you care most about downloads (30 days), download trend and reviews.

### Is Drug Half-Life Calculator more popular than Eyewear prescription form?
Drug Half-Life Calculator is the more popular of the two with 10+ active installs, compared with 10+ for Eyewear prescription form.

### Can I use Drug Half-Life Calculator and Eyewear prescription form together?
Both plugins cover prescription, so most sites only need one. Running two plugins that do the same job can cause conflicts and slow your site down — pick the one that fits best and remove the other.

### Are Drug Half-Life Calculator and Eyewear prescription form free?
Yes. Both are free to download from the official WordPress.org plugin directory. Either may also offer paid upgrades from its developer.


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