# CalcNotes vs Small Todo

The clearest difference is price: CalcNotes at Free against Small Todo's $0.99. CalcNotes also leads on iOS requirement (15.1 vs 26.0). Small Todo's advantage is in-app purchases (none vs 2). On update cadence, ads and device support there is nothing between them.

CalcNotes is free to download; Small Todo costs $0.99 up front. CalcNotes sells 2 in-app purchases, starting at $1.99 per month. Small Todo asks for nothing beyond the download.

CalcNotes ships an update weekly, Small Todo every 4 days. The most recent releases landed on September 28, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | CalcNotes | Small Todo |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | — | Paid |
| Size | 51 MB | 28 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [naoki otsu](https://appshunter.io/developer/1082476153) | [Zhiqi Pan](https://appshunter.io/developer/1893386703) |

## What reviewers say

### CalcNotes

[App page](https://appshunter.io/ios/app/calcnotes-calculation-memo/id6752585573)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |
| Premium (Pay Once) | $4.99 | one-time |


### Small Todo

[App page](https://appshunter.io/ios/app/small-todo-ai-task-breakdown/id6779009849)

Break down overwhelming tasks into small, manageable steps with AI assistance. Enjoy a gamified experience with satisfying animations and customizable plans that adapt to your life and preferences. All processing happens locally on your device for complete privacy and offline functionality.

**Highlights:** AI task decomposition, Gamified task completion, Adaptive planning, Local AI processing, Offline functionality, Personalized memory integration

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

**In-app purchases:** none


## Frequently asked questions

### Is CalcNotes free?

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

### Is Small Todo free?

Small Todo costs $0.99, with no in-app purchases.

### Do CalcNotes or Small Todo have ads?

Neither CalcNotes nor Small Todo shows ads.

### Which is updated more often, CalcNotes or Small Todo?

CalcNotes ships an update weekly, and Small Todo every 4 days. Most recently, CalcNotes was updated on September 28, 2026 and Small Todo on September 27, 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.*