# Roboti vs Letter log app

The clearest difference is in-app purchases: Letter log app at none against Roboti's 3. Letter log app also leads on update cadence (every 3 days vs every 3 weeks). Roboti's advantage is iOS requirement (12.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. Roboti sells 3 in-app purchases, starting at $6.99 per 7 days. Letter log app asks for nothing beyond the download.

Roboti ships an update every 3 weeks, Letter log app every 3 days. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Roboti | Letter log app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/roboti/id6470292489/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 53 MB | 42 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [HILANCE INCORPORATED](https://appshunter.io/developer/1713354219) | [Data Code](https://appshunter.io/developer/1502037320) |

## What reviewers say

### Roboti

[App page](https://appshunter.io/ios/app/roboti/id6470292489)

This AI-powered business assistant offers tools to enhance decision-making and operational efficiency. It provides features for generating professional communications, summarizing content, conducting analyses, and developing branding strategies. The platform learns and adapts to user needs for personalized assistance.

**Highlights:** Smart Email Generation, Business Letters & Documents, Content Summarization, Smart Analysis, Branding Tools, Business Development Planning

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $6.99 | per 7 days |
| Monthly Plan | $19.99 | per month |
| Yearly Plan | $99.99 | per year |


### Letter log app

[App page](https://appshunter.io/ios/app/letter-log-app/id6797585946)

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

**In-app purchases:** none


## Frequently asked questions

### Is Roboti free?

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

### Is Letter log app free?

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

### Do Roboti or Letter log app have ads?

Neither Roboti nor Letter log app shows ads.

### Which is updated more often, Roboti or Letter log app?

Roboti ships an update every 3 weeks, and Letter log app every 3 days. Most recently, Roboti was updated on October 10, 2026 and Letter log app 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.*