# Call Checker vs Font Sizes

Call Checker and Font Sizes are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 34 months. The most recent releases landed on September 22, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Call Checker | Font Sizes |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 23 months** | Every 34 months |
| Monetization | Paid | — |
| Size | 2 MB | 10 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Manfred Breede](https://appshunter.io/developer/414696754) |

## What reviewers say

### Call Checker

[App page](https://appshunter.io/ios/app/call-checker/id292434428)

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.

**Highlights:** Track contact local times, Avoid bad calling hours, Check contact availability, Initiate calls directly (iPhone)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Font Sizes

[App page](https://appshunter.io/ios/app/font-sizes/id555899515)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Call Checker free?

Call Checker costs $0.99, with no in-app purchases.

### Is Font Sizes free?

Font Sizes costs $0.99, with no in-app purchases.

### Do Call Checker or Font Sizes have ads?

Neither Call Checker nor Font Sizes shows ads.

### Which is updated more often, Call Checker or Font Sizes?

Call Checker ships an update every 23 months, and Font Sizes every 34 months. Most recently, Call Checker was updated on September 22, 2026 and Font Sizes on September 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*