# PennyBird vs K

The clearest difference is in-app purchases: K at none against PennyBird's 2. K also leads on device support (3 vs 1) and iOS requirement (15.5 vs 26.1). PennyBird's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. PennyBird sells 2 in-app purchases, starting at $2.99 per month. K asks for nothing beyond the download.

PennyBird ships an update monthly, K every 3 weeks. The most recent releases landed on November 8, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | PennyBird | K |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 11 MB | 69 MB |
| Requires iOS | 26.1 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hassene BEN SALEM](https://appshunter.io/developer/1655919547) | [philgoo heo](https://appshunter.io/developer/1153253551) |

## What reviewers say

### PennyBird

[App page](https://appshunter.io/ios/app/pennybird-expense-tracker/id6677057863)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |


### K

[App page](https://appshunter.io/ios/app/k-pockit/id6762417616)

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

**In-app purchases:** none


## Frequently asked questions

### Is PennyBird free?

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

### Is K free?

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

### Do PennyBird or K have ads?

K shows ads; PennyBird does not.

### Which is updated more often, PennyBird or K?

PennyBird ships an update monthly, and K every 3 weeks. Most recently, PennyBird was updated on November 8, 2026 and K on November 9, 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.*