iChing roller vs Crit Happens
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iChing roller
This tool simplifies the process of consulting the I Ching by using your phone's shake function to generate hexagrams. It provides detailed information about each gua, including upper and lower trigrams and commentary.
- Shake to roll hexagrams
- Displays pertinent gua information
- Shows upper and lower trigrams
- Includes Confucius' commentary
- Simple and elegant interface
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iChing roller is a tool to let you easily roll the iChing without flipping a single coin. iChing roller rolls hexagrams for you with a simple shake of your phone, gives you all the pertinent information about the gua, and with a simple tap on the hexagram, it will show you the upper and lower trigrams, as well as Confucius' commentary on the hexagram. It's simple, and elegant. Just like the original.
Crit Happens
This straightforward dice roller is designed for simplicity and reliability. Easily roll one or multiple dice, apply modifiers, and even use unconventional dice types. Unlock advanced customization options to perfect your dice-rolling experience.
- Roll one or multiple dice
- Add modifiers
- Support for unconventional dice
- Multiple rolls
- Customization options
- Straightforward interface
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This humble dice roller is crafted for simplicity. Choose from the trusty dice of your trade, roll one or many, add modifiers as needed, roll multiple times, or even summon a die with an unconventional number of sides. Straightforward and reliable, just as any adventurer would need. Seek to tailor your journey to your own design? Aquire the Tinker's Token to unlock a realm of customization and control in the Tinker's Workshop, where your dice-rolling experience is yours to perfect. "Really cool, I'm using it on my phone. I like it a lot." — Mike "Sly Flourish" Shea
Screenshots
Verdict
The clearest difference is review sentiment: Crit Happens at 100% against iChing roller's 0%. Crit Happens also leads on price (Free vs $0.99) and rating (4.9 vs 3.0). iChing roller's advantage is in-app purchases (none vs 5) and device support (4 vs 2). On ads 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
Crit Happens is free to download; iChing roller costs $0.99 up front. Crit Happens sells 5 one-off in-app purchases. iChing roller asks for nothing beyond the download.
Crit Happens holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: Crit Happens has 19 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of iChing roller's written reviews are positive against 100% of Crit Happens's.
iChing roller ships an update every 13 months, Crit Happens every 4 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | iChing roller | Crit Happens |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.0 (2 ratings) | 4.9 (19 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 19 — better |
| Update frequency | Every 13 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 0 MB | 7 MB |
| Age rating | 4+ | +4 |
| Developer | David Ralley | Jonathan Peacher |
Customer experience
iChing roller
Crit Happens
In-app purchases
iChing roller
No in-app purchases
Crit Happens
- Small Tip$0.99
- Tinker's Token$1.99
- Medium Tip$2.99
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- Large Tip$4.99
- Giant Tip$9.99
Questions
Is iChing roller free?
Is Crit Happens free?
Which has better reviews, iChing roller or Crit Happens?
Do iChing roller or Crit Happens have ads?
Which is updated more often, iChing roller or Crit Happens?
Other comparisons
