# i vs Chatmark

The clearest difference is in-app purchases: Chatmark at none against i's 4. Chatmark also leads on update cadence (every 6 weeks vs every 3 months). i's advantage is iOS requirement (12.0 vs 16). On price, ads and device support there is nothing between them.

Both are free to download. i sells 4 in-app purchases, starting at $9.99 per month. Chatmark asks for nothing beyond the download.

i ships an update every 3 months, Chatmark every 6 weeks. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | i | Chatmark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 16 MB | 27 MB |
| Requires iOS | **12.0** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [I-RESONATE TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1618598988) | [Taeeun Kim](https://appshunter.io/developer/1580920574) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-resonate/id1618598986)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Standard Subscription | $9.99 | per month |
| Pro Monthly Subscription | $14.99 | per month |
| Yearly Standard Subscription | $119.99 | per year |
| Pro Yearly Subscription | $239.00 | per year |


### Chatmark

[App page](https://appshunter.io/ios/app/chatmark/id6768804618)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is Chatmark free?

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

### Do i or Chatmark have ads?

Neither i nor Chatmark shows ads.

### Which is updated more often, i or Chatmark?

i ships an update every 3 months, and Chatmark every 6 weeks. Most recently, i was updated on October 8, 2026 and Chatmark on October 1, 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.*