# chatlock vs Piko

The clearest difference is in-app purchases: chatlock at none against Piko's 2. chatlock also leads on iOS requirement (13.0 vs 15.1). Piko's advantage is update cadence (every 4 days vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Piko sells 2 in-app purchases, starting at $2.49 per month. chatlock asks for nothing beyond the download.

chatlock ships an update every 4 months, Piko every 4 days. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | chatlock | Piko |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Size | 185 MB | 51 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CHAT LOCK K.K](https://appshunter.io/developer/1782829681) | [shoya haraguchi](https://appshunter.io/developer/1753410612) |

## What reviewers say

### chatlock

[App page](https://appshunter.io/ios/app/chatlock/id6738942138)

**Features:** macOS Compatibility

**In-app purchases:** none


### Piko

[App page](https://appshunter.io/ios/app/piko-chore-sharing/id6756343496)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Piko – Shared Life Tasks | $2.49 | per month |
| Piko – Annual Plan | $19.99 | per year |


## Frequently asked questions

### Is chatlock free?

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

### Is Piko free?

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

### Do chatlock or Piko have ads?

Neither chatlock nor Piko shows ads.

### Which is updated more often, chatlock or Piko?

chatlock ships an update every 4 months, and Piko every 4 days. Most recently, chatlock was updated on October 1, 2026 and Piko on October 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.*