Call Checker vs Basis Weight To Grammage
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).
Basis Weight To Grammage
Easily convert paper's basis weight to grammage (GSM) without needing to know specific paper sizes. Simply enter the basis weight and select the paper category for instant conversion.
- Basis weight to GSM conversion
- Supports 8 paper categories
- No need to know paper size
- Minimal user input required
- Quick and easy conversions
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The “Grammage2” app converts the Basis Weight of 8 paper categories to Grammage (GSM) with an absolute minimum of user input. There is no need for the user to know the basic size of a given paper category, let alone entering it. To display conversions from Basis Weight to Grammage values, the “Grammage2” app requires nothing more than entering the Basis Weight of a paper into a Text Field, followed by tapping one of 8 Buttons, each one of which represents a different paper category.
Screenshots
Verdict
The clearest difference is review sentiment: Basis Weight To Grammage at 100% against Call Checker's 0%. 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 Basis Weight To Grammage $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, Basis Weight To Grammage every 38 months. The most recent releases landed on October 29, 2026 and October 16, 2026 respectively.
| Parameter | Call Checker | Basis Weight To Grammage |
|---|---|---|
| Price | $0.99 | $0.99 |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Update frequency | Every 23 months — better | Every 38 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 2 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Piet Jonas | Manfred Breede |
Customer experience
Call Checker
Basis Weight To Grammage
In-app purchases
Call Checker
No in-app purchases
Basis Weight To Grammage
No in-app purchases
Questions
Is Call Checker free?
Is Basis Weight To Grammage free?
Do Call Checker or Basis Weight To Grammage have ads?
Which is updated more often, Call Checker or Basis Weight To Grammage?
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