# SayFlow vs Chatmark

The clearest difference is update cadence: SayFlow at every 8 days against Chatmark's every 6 weeks. Chatmark's advantage is iOS requirement (16 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SayFlow ships an update every 8 days, Chatmark every 6 weeks. The most recent releases landed on October 31, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SayFlow | Chatmark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 6 weeks |
| Size | 59 MB | 27 MB |
| Requires iOS | 26.0 | **16** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [DONGHWAN CHOI](https://appshunter.io/developer/1888758596) | [Taeeun Kim](https://appshunter.io/developer/1580920574) |

## What reviewers say

### SayFlow

[App page](https://appshunter.io/ios/app/sayflow-ai-chat-translate/id6766947682)

**In-app purchases:** none


### Chatmark

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SayFlow free?

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

### Is Chatmark free?

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

### Do SayFlow or Chatmark have ads?

Neither SayFlow nor Chatmark shows ads.

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

SayFlow ships an update every 8 days, and Chatmark every 6 weeks. Most recently, SayFlow was updated on October 31, 2026 and Chatmark on October 18, 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.*