Crescent Keys vs I
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Crescent Keys
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I
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Verdict
The clearest difference is ads: Crescent Keys at none against I's shown. Crescent Keys also leads on update cadence (fortnightly vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Crescent Keys ships an update fortnightly, I every 6 months. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.
| Parameter | Crescent Keys | I |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly β better | Every 6 months |
| Ads | No β better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod β better |
| Requires iOS | 11.0 β better | 12.0 |
| Further details β not scored | ||
| Size | 4 MB | 35 MB |
| Age rating | 9+ | 4+ |
| Developer | Quoc Dat Nguyen | Towa TAKEUCHI |
In-app purchases
Crescent Keys
No in-app purchases
I
No in-app purchases
