# Sider vs HelloNotes

The clearest difference is update cadence: Sider at every 2 weeks against HelloNotes's every 3 weeks. Sider also leads on iOS requirement (17.0 vs 27.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sider sells 15 in-app purchases, starting at $9.99 per month and HelloNotes sells 2 in-app purchases, starting at $30.00 per year. Whichever you choose, the download price is not the number that matters.

Sider ships an update every 2 weeks, HelloNotes every 3 weeks. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Sider | HelloNotes |
| --- | --- | --- |
| 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 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 262 MB | 58 MB |
| Requires iOS | **17.0** | 27.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Vidline Inc.](https://appshunter.io/developer/1605706914) | [Hello Tham Pty Ltd](https://appshunter.io/developer/6803259850) |

## What reviewers say

### Sider

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

This AI assistant offers access to multiple advanced language models for tasks like summarization, writing, image generation, and homework help. It also functions as a knowledge base, allowing users to chat with documents and websites, and engage with diverse AI characters.

**Highlights:** Access to multiple top AI models, Summarize documents and articles, Generate creative images from text, AI-powered homework assistance, Chat with PDFs, documents, and websites, Engage with over 100 AI bots, Voice-to-text functionality

**Features:** Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sider Monthly Basic Legacy | $9.99 | per month |
| Sider Basic Plan Monthly | $9.99 | per month |
| Sider Nano Plan Monthly | $12.99 | 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 Yearly Basic Legacy | $99.99 | per year |
| Sider Basic Plan Yearly | $99.99 | per year |
| Sider Professional Plan Yearly | $199.99 | per year |
| Sider Plus Plan Yearly | $299.00 | per year |
| 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


### HelloNotes

[App page](https://appshunter.io/ios/app/hellonotes/id6803259848)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Commercial | $30.00 | per year |
| Champion | $30.00 | one-time |


## Frequently asked questions

### Is Sider free?

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

### Is HelloNotes free?

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

### Do Sider or HelloNotes have ads?

Neither Sider nor HelloNotes shows ads.

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

Sider ships an update every 2 weeks, and HelloNotes every 3 weeks. Most recently, Sider was updated on October 27, 2026 and HelloNotes on October 29, 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.*