Eterna vs Cribbage for iMessage
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Eterna
Engage in a citizen science game to design RNA molecules for medical research. Solve puzzles to unlock lab access and contribute to inventing new medicines through challenges.
- Design RNA molecules
- Solve scientific puzzles
- Participate in medical research
- Invent new medicines
- Unlock lab access
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Eterna is a citizen science game where players learn to design RNA molecules for medical research by solving puzzles. Complete introductory puzzles to unlock lab access and participate in challenges where you can invent medicine!
Cribbage for iMessage
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Play Cribbage in iMessage! This app gives you a simple way to play cribbage with your friends. No login needed, no sessions to maintain, no ads or in-app purchases. Start a fresh game by choosing the app from the iMessage extension view or click on a message to continue a game. Compact by default, you can expand the app to view the current score, previous plays during the play round, and a breakdown of the scoring for a hand or crib. Play when you are ready, completely asynchronously and without any time limits, so you can put it down and pick it up at your leisure. Just the simple joy of cribbage!
Screenshots
Verdict
The clearest difference is price: Eterna at Free against Cribbage for iMessage's $0.99. Eterna also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 18.4). 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
Eterna is free to download; Cribbage for iMessage costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Eterna ships an update every 3 weeks, Cribbage for iMessage every 2 months. The most recent releases landed on September 17, 2026 and September 8, 2026 respectively.
| Parameter | Eterna | Cribbage for iMessage |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.7 (15 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 188 MB | 11 MB |
| Age rating | 12+ | 4+ |
| Developer | Vital Mind Media | Stefan J. Wernli |
In-app purchases
Eterna
No in-app purchases
Cribbage for iMessage
No in-app purchases
Questions
Is Eterna free?
Is Cribbage for iMessage free?
Do Eterna or Cribbage for iMessage have ads?
Which is updated more often, Eterna or Cribbage for iMessage?
Other comparisons
