# Sider vs iamDiary

The clearest difference is update cadence: iamDiary at every 3 days against Sider's every 11 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sider sells 10 in-app purchases, starting at $9.99 per month and iamDiary sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Sider ships an update every 11 days, iamDiary every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sider | iamDiary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (4.3K ratings)](https://appshunter.io/ios/app/sider-chat-and-work-with-all-ai/id6446394143/reviews)** | — |
| Number of ratings | **4.3K** | — |
| Positive reviews | 78.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 263 MB | 4 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Vidline Inc.](https://appshunter.io/developer/1605706914) | [Poom Maneesriwong](https://appshunter.io/developer/6819305845) |

## What reviewers say

### Sider

[App page](https://appshunter.io/ios/app/sider-chat-and-work-with-all-ai/id6446394143)

This AI assistant integrates multiple leading AI models to help you summarize documents, generate images, assist with homework, and answer questions. It offers tools for reading, writing, image creation, and complex task automation, acting as a comprehensive productivity and knowledge management solution.

**Highlights:** Access to multiple top AI models, Summarize, translate, and explain content, AI-powered writing assistance, Text-to-image generation, Homework and research helper, Chat with uploaded documents and files, Automated task completion

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sider Monthly Basic Legacy | $9.99 | per month |
| Sider Basic Plan Monthly | $9.99 | per month |
| خطة Sider الشهرية المصغرة | $14.99 | per month |
| Sider Pro Plan Monthly | $19.99 | per month |
| Sider Unlimited Plan Monthly | $39.99 | per month |
| Sider Plus Plan Monthly | $40.00 | per month |
| Sider Pocket Plan Yearly | $49.99 | per year |
| Sider Pro Plan Monthly | $65.00 | per month |
| Sider Unlimited Plan Yearly | $299.99 | per year |
| бустер-пакет | $10.00 | one-time |

**What reviewers like**

- 🚀 Powerful AI capabilities
- 👍 User-friendly interface
- 💡 Versatile bot customization
- 🔍 Helpful research and analysis tools
- 🤖 Impressive AI assistant performance

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- ⏰ Temporary usage restrictions
- 💰 Expensive subscription model
- 🔌 Compatibility issues with some devices
- 🤔 Inconsistent AI responses

**Reported bugs**

- Internal server errors with ChatPDF
- Login screen issues on desktop app
- Freezing and crashing on older devices
- Inconsistent behavior with certain AI models

**Requested features**

- Unlimited message usage
- Improved text-to-image generation
- Seamless cross-device synchronization
- Dark mode and customizable themes
- Enhanced STEM-focused capabilities


### iamDiary

[App page](https://appshunter.io/ios/app/iamdiary-keep-it-simple-notes/id6819305693)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iamDiary Monthly | $1.99 | per month |
| iamDiary Yearly | $14.99 | per year |
| iamDiary Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Sider free?

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

### Is iamDiary free?

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

### Do Sider or iamDiary have ads?

Neither Sider nor iamDiary shows ads.

### Which is updated more often, Sider or iamDiary?

Sider ships an update every 11 days, and iamDiary every 3 days. Most recently, Sider was updated on November 3, 2026 and iamDiary 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.*