# Truly Simple Nudges vs Chatmark

The clearest difference is in-app purchases: Chatmark at none against Truly Simple Nudges's 1. Truly Simple Nudges's advantage is update cadence (every 9 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Truly Simple Nudges sells 1 one-off in-app purchase. Chatmark asks for nothing beyond the download.

Truly Simple Nudges ships an update every 9 days, Chatmark every 6 weeks. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Truly Simple Nudges | Chatmark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Size | 1 MB | 27 MB |
| Requires iOS | 17.0 | **16** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Colin Wright](https://appshunter.io/developer/1814828139) | [Taeeun Kim](https://appshunter.io/developer/1580920574) |

## What reviewers say

### Truly Simple Nudges

[App page](https://appshunter.io/ios/app/truly-simple-nudges/id6767690491)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | one-time |


### Chatmark

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Truly Simple Nudges free?

Truly Simple Nudges is free to download, with in-app purchases available.

### Is Chatmark free?

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

### Do Truly Simple Nudges or Chatmark have ads?

Neither Truly Simple Nudges nor Chatmark shows ads.

### Which is updated more often, Truly Simple Nudges or Chatmark?

Truly Simple Nudges ships an update every 9 days, and Chatmark every 6 weeks. Most recently, Truly Simple Nudges was updated on October 24, 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.*