Call Checker vs Font Sizes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Call Checker
Easily track the local times of your international contacts to avoid calling at inconvenient hours. Quickly see who is available and initiate calls directly from the app.
- Track contact local times
- Avoid bad calling hours
- Check contact availability
- Initiate calls directly (iPhone)
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In a global world it becomes more and more difficult to keep track of the local times of all your important contacts. If you want to avoid to call them at a bad time this application is for you. A quick check tells you whether it's the right time to call or not and who is available at the moment. If you enter the phone number a simple tap on the name is enough to initiate the call (iPhone only).
Font Sizes
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This app displays the size of 151 type fonts nearly identical to fonts printed on a physical medium. Display-type is generated up to 72 points and text-type up to 16 points.
Screenshots
Verdict
The clearest difference is iOS requirement: Font Sizes at 11.0 against Call Checker's 15.6. On price, update cadence, ads and in-app purchases 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
Call Checker costs $0.99 and Font Sizes $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Call Checker ships an update every 23 months, Font Sizes every 30 months. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.
| Parameter | Call Checker | Font Sizes |
|---|---|---|
| Price | $0.99 | $0.99 |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 23 months — better | Every 30 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 10 MB |
| Age rating | 4+ | 17+ |
| Developer | Piet Jonas | Manfred Breede |
In-app purchases
Call Checker
No in-app purchases
Font Sizes
No in-app purchases
Questions
Is Call Checker free?
Is Font Sizes free?
Do Call Checker or Font Sizes have ads?
Which is updated more often, Call Checker or Font Sizes?
Other comparisons
