# Saymo思谋 vs Know & Act

The clearest difference is in-app purchases: Saymo思谋 at none against Know & Act's 1. Saymo思谋 also leads on ads (none vs shown). Know & Act's advantage is iOS requirement (13.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Know & Act sells 1 one-off in-app purchase. Saymo思谋 asks for nothing beyond the download.

Saymo思谋 ships an update every 4 days, Know & Act every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Saymo思谋 | Know & Act |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 3 MB | 36 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [涛 彭](https://appshunter.io/developer/1803254539) | [zhenyu song](https://appshunter.io/developer/1721282851) |

## What reviewers say

### Saymo思谋

[App page](https://appshunter.io/ios/app/saymo-ai/id6765611567)

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

**In-app purchases:** none


### Know & Act

[App page](https://appshunter.io/ios/app/know-and-act-daily-reflection/id6784056835)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Pro | $1.99 | one-time |


## Frequently asked questions

### Is Saymo思谋 free?

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

### Is Know & Act free?

Know & Act is free to download, with in-app purchases available.

### Do Saymo思谋 or Know & Act have ads?

Know & Act shows ads; Saymo思谋 does not.

### Which is updated more often, Saymo思谋 or Know & Act?

Saymo思谋 ships an update every 4 days, and Know & Act every 2 days. Most recently, Saymo思谋 was updated on October 31, 2026 and Know & Act on October 31, 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.*