C vs SIEVES
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
C
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The app provides a unique experience for residents of C-Space Coworking by digitizing their operations. In detail, the app provides opportunities for online registration, booking, payments. Along with that, it also enables social interaction between the members!
SIEVES
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Productivity tracker
Screenshots
Verdict
The clearest difference is update cadence: SIEVES at weekly against C's every 6 weeks. SIEVES also leads on iOS requirement (15.0 vs 17.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
C ships an update every 6 weeks, SIEVES weekly. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.
| Parameter | C | SIEVES |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 63 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | C-Space, OOO | Sidikov Ibrokhim |
In-app purchases
C
No in-app purchases
SIEVES
No in-app purchases
