Head-to-head · October 2026
Drug Half-Life Calculator vs Lenses Prescription
Lenses Prescription comes out ahead, winning 6 of 6 head-to-head checks against Drug Half-Life Calculator.
Drug Half-Life Calculator
This plugin allows you to add a widget to your sidebar or shortcode to a page or post that displays a simple…
Lenses Prescription
This plugin requires Simple Product Options for WooCommerce plugin to display the prescription options.
| Metric | Drug Half-Life Calculator | Lenses Prescription |
|---|---|---|
| Active installs | 10+ | 70+ |
| Downloads (30 days) | 42 | 147 |
| Download trend | +61.5% | +67% |
| Rating | — | — |
| Reviews | 0 | 0 |
| Health score | 23/100 | 56/100 |
| Last updated | 14 years ago | 4 days ago |
| Tested up to | WP 3.5.2 | WP 6.9.10 |
| Support resolved | — | — |
| Requires PHP | Any | Any |
| First released | Aug 2012 | Jan 2020 |
Daily downloads, last 90 days
Drug Half-Life Calculat…Lenses Prescription
Choose Drug Half-Life Calculator if…
You prefer its feature set and workflow — it holds its own on the fundamentals.
- Small user base (10+ active installs)
- Very few reviews so far
- No update in 13 years
- Only tested up to WordPress 3.5 (latest is 7.1)
Choose Lenses Prescription if…
You care most about active installs, downloads (30 days) and download trend.
- Actively developed — last update 4 days ago
- Small user base (70+ active installs)
- Very few reviews so far
- Only tested up to WordPress 6.9 (latest is 7.1)
Both compete in: prescription
FAQ
Drug Half-Life Calculator vs Lenses Prescription: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 21, 2026
Which is better, Drug Half-Life Calculator or Lenses Prescription?
Lenses Prescription comes out ahead, winning 6 of 6 head-to-head checks against Drug Half-Life Calculator. Choose Lenses Prescription if you care most about active installs, downloads (30 days) and download trend.
Is Drug Half-Life Calculator more popular than Lenses Prescription?
Lenses Prescription is the more popular of the two with 70+ active installs, compared with 10+ for Drug Half-Life Calculator.
Can I use Drug Half-Life Calculator and Lenses Prescription 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 Lenses Prescription 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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