SimpleCalc. vs Full Screen Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SimpleCalc.
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Just a simple calculator. Use this calculator as your every day simple calculator with no ads, while having one of our beautiful tailor-made themes. Enjoy using it, and please put a nice review if you like it. Thanks! @Himnerom
Full Screen Clock
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A clock that’s simple, beautiful, and distraction-free. No ads. No subscriptions. Just time. Enjoy it everywhere—on your iPhone, iPad, Mac, and even Apple TV. Perfect for a clean desk setup, a bedside display, or a living-room wall.
Screenshots
Verdict
The clearest difference is price: SimpleCalc. at Free against Full Screen Clock's $1.99. SimpleCalc. also leads on iOS requirement (15.0 vs 18.4). Full Screen Clock's advantage is update cadence (every 4 weeks vs every 7 months). 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
SimpleCalc. is free to download; Full Screen Clock costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SimpleCalc. ships an update every 7 months, Full Screen Clock every 4 weeks. The most recent releases landed on September 14, 2026 and September 8, 2026 respectively.
| Parameter | SimpleCalc. | Full Screen Clock |
|---|---|---|
| Price | Free — better | $1.99 |
| Update frequency | Every 7 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.4 |
| Further details — not scored | ||
| Size | 16 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Romain Rousseau | Hoa Tran |
In-app purchases
SimpleCalc.
No in-app purchases
Full Screen Clock
No in-app purchases
