# SecureChatKeyboard vs Pool Calculator

The clearest difference is in-app purchases: SecureChatKeyboard at none against Pool Calculator's 2. SecureChatKeyboard also leads on ads (none vs shown) and update cadence (every 3 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Pool Calculator sells 2 in-app purchases, starting at $4.99 per month. SecureChatKeyboard asks for nothing beyond the download.

SecureChatKeyboard ships an update every 3 days, Pool Calculator every 2 months. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | SecureChatKeyboard | Pool Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 2 months |
| Size | 24 MB | 87 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [IMMOACTIVAT I ASSOCIATS SL](https://appshunter.io/developer/1800941159) | [kota tada](https://appshunter.io/developer/1658942612) |

## What reviewers say

### SecureChatKeyboard

[App page](https://appshunter.io/ios/app/securechatkeyboard/id6759229092)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pool Calculator

[App page](https://appshunter.io/ios/app/pool-calculator-pooldoselog/id6801991116)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (1 month) | $4.99 | per month |
| Premium (1 year) | $49.99 | per year |


## Frequently asked questions

### Is SecureChatKeyboard free?

SecureChatKeyboard is free to download, with no in-app purchases.

### Is Pool Calculator free?

Pool Calculator is free to download, with in-app purchases available.

### Do SecureChatKeyboard or Pool Calculator have ads?

Pool Calculator shows ads; SecureChatKeyboard does not.

### Which is updated more often, SecureChatKeyboard or Pool Calculator?

SecureChatKeyboard ships an update every 3 days, and Pool Calculator every 2 months. Most recently, SecureChatKeyboard was updated on October 28, 2026 and Pool Calculator on October 29, 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.*