# OneCalc+ All vs Caffeinated Notes

The clearest difference is price: Caffeinated Notes at Free against OneCalc+ All's $3.99. Caffeinated Notes also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (13.0 vs 15.6). OneCalc+ All's advantage is in-app purchases (none vs 8). On ads and device support there is nothing between them.

Caffeinated Notes is free to download; OneCalc+ All costs $3.99 up front. Caffeinated Notes sells 8 in-app purchases, starting at $4.99 per month. OneCalc+ All asks for nothing beyond the download.

OneCalc+ All ships an update every 3 months, Caffeinated Notes every 3 weeks. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | OneCalc+ All | Caffeinated Notes |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.7 (519 ratings)](https://appshunter.io/ios/app/onecalc-plus-all-in-one-calculator/id1324977953/reviews)** | — |
| Number of ratings | **519** | — |
| Positive reviews | 74.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 3 MB | 48 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [tasser gyati](https://appshunter.io/developer/1324926550) | [Caffeinated Softworks LLC](https://appshunter.io/developer/1879624762) |

## What reviewers say

### OneCalc+ All

[App page](https://appshunter.io/ios/app/onecalc-plus-all-in-one-calculator/id1324977953)

This premium calculator app offers over 40 tools for finance, everyday math, health, construction, and unit conversions. It includes standard, scientific, financial, and specialized calculators, all without ads.

**Highlights:** Over 40 calculators and unit converters, Standard and scientific calculator modes, Financial calculators (interest, loans), Unit and currency converter, Health (BMI, calorie) calculators, Construction estimation tools, Fraction and percentage calculations

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Comprehensive features
- 👍 Easy to use
- 🔒 No ads or tracking
- 💡 Useful unit conversions
- 🚀 Smooth performance

**What reviewers complain about**

- 🐛 Ads still appear despite paid version
- 👎 Underlined buttons are distracting
- 🐛 Currency converter not up-to-date
- 👎 Lack of customization options
- 🐛 Calculation errors in complex operations

**Reported bugs**

- History not clearing properly
- Paid version still showing ads
- Keyboard not working on Mac devices

**Requested features**

- Add more themes and color options
- Implement a swap button for currency converter
- Allow manual ordering of favorites list
- Add a widget for quick access
- Include time calculation functionality


### Caffeinated Notes

[App page](https://appshunter.io/ios/app/caffeinated-notes/id6761129114)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual Account (Monthly) | $4.99 | per month |
| Duo Account (Monthly) | $7.99 | per month |
| Family Account (Monthly) | $17.99 | per month |
| Friends & Family Account (Monthly) | $19.99 | per month |
| Individual Account (Annual) | $49.99 | per year |
| Duo Account (Annual) | $79.99 | per year |
| Family Account (Annual) | $149.99 | per year |
| Friends & Family (Annual) | $199.99 | per year |


## Frequently asked questions

### Is OneCalc+ All free?

OneCalc+ All costs $3.99, with no in-app purchases.

### Is Caffeinated Notes free?

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

### Do OneCalc+ All or Caffeinated Notes have ads?

Neither OneCalc+ All nor Caffeinated Notes shows ads.

### Which is updated more often, OneCalc+ All or Caffeinated Notes?

OneCalc+ All ships an update every 3 months, and Caffeinated Notes every 3 weeks. Most recently, OneCalc+ All was updated on October 24, 2026 and Caffeinated Notes on October 6, 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.*