# Calculator Notes vs Chatika

The clearest difference is ads: Chatika at none against Calculator Notes's shown. Chatika also leads on update cadence (fortnightly vs every 12 months) and monetization model (free vs ad-supported). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Calculator Notes against 5.0 for Chatika. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Calculator Notes ships an update every 12 months, Chatika fortnightly. The most recent releases landed on September 21, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Calculator Notes | Chatika |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/calculator-notes-spreadsheet/id1668268383/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/chatika/id6743194488/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Fortnightly** |
| Monetization | Ad-supported | **Free** |
| Size | 11 MB | 8 MB |
| Requires iOS | 26.0 | **17.1** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) | [Chenxing Liu](https://appshunter.io/developer/1789893586) |

## What reviewers say

### Calculator Notes

[App page](https://appshunter.io/ios/app/calculator-notes-spreadsheet/id1668268383)

This app combines a calculator with spreadsheet functionality, allowing users to automatically sum item values. It supports unlimited folders and notes, with features like goal setting and batch operations. Widgets are available for home and lock screens.

**Highlights:** Automatic total value calculation, Unlimited folders, notes, and items, CSV output and sharing, Goal setting and progress tracking, Batch operations (copy, duplicate, color coding), Home & lock screen widgets, Dark mode

**In-app purchases:** none


### Chatika

[App page](https://appshunter.io/ios/app/chatika/id6743194488)

This AI chat client offers extensive customization and privacy for your conversations. It acts as a private browser for AI, allowing you to connect with various AI models using your own API keys without data storage on external servers. Enjoy features like web search, image support, and dynamic prompt adjustments.

**Highlights:** Bring Your Own Key (API), Rich Chat Actions (quote, fork, revert), Web Search integration, Image support for AI models, Customizable Persona System, Dynamic AI parameter settings, Thought Process View

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Notes free?

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

### Is Chatika free?

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

### Which has better reviews, Calculator Notes or Chatika?

Calculator Notes and Chatika are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do Calculator Notes or Chatika have ads?

Calculator Notes shows ads; Chatika does not.

### Which is updated more often, Calculator Notes or Chatika?

Calculator Notes ships an update every 12 months, and Chatika fortnightly. Most recently, Calculator Notes was updated on September 21, 2026 and Chatika on October 5, 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.*