Unprocrastinator vs Calcium Text Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unprocrastinator
This Safari extension introduces a 30-second delay before accessing chosen websites. Inspired by a comic strip, it encourages mindful browsing by providing a pause for reflection before visiting sites.
- 30-second website delay
- Customizable website list
- Mindful browsing tool
- Safari extension
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Unprocrastinator is a Safari extension. It makes you wait 30 seconds before you can see certain websites. It's based on an xkcd comic called "Let Go". The idea is to give you a moment to think if you really want to visit the site right now. You choose which websites to use it on. It's a simple tool that can help you browse more mindfully.
Calcium Text Calculator
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Calcium is a text editor that updates math results as you type. Use `=>` to compute expressions. It supports all kinds of units. Best of all, it's free and open source!
Screenshots
Verdict
The clearest difference is price: Calcium Text Calculator at Free against Unprocrastinator's $0.49. Calcium Text Calculator also leads on update cadence (every 5 days vs every 2 weeks). Unprocrastinator's advantage is iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Calcium Text Calculator is free to download; Unprocrastinator costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.
Unprocrastinator ships an update every 2 weeks, Calcium Text Calculator every 5 days. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.
| Parameter | Unprocrastinator | Calcium Text Calculator |
|---|---|---|
| Price | $0.49 | Free — better |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, Mac |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | And a Dinosaur | Twarge LLC |
In-app purchases
Unprocrastinator
No in-app purchases
Calcium Text Calculator
No in-app purchases
Questions
Is Unprocrastinator free?
Is Calcium Text Calculator free?
Do Unprocrastinator or Calcium Text Calculator have ads?
Which is updated more often, Unprocrastinator or Calcium Text Calculator?
Other comparisons
