# Calculator Plus vs All in One Tools

The clearest difference is in-app purchases: Calculator Plus at none against All in One Tools's 3. Calculator Plus also leads on iOS requirement (15.0 vs 18.0). All in One Tools's advantage is update cadence (daily vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. All in One Tools sells 3 in-app purchases, starting at $4.99 per month. Calculator Plus asks for nothing beyond the download.

Calculator Plus ships an update every 2 weeks, All in One Tools daily. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Calculator Plus | All in One Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (2.6K ratings)](https://appshunter.io/ios/app/calculator-plus-units-and-split/id1082193416/reviews)** | — |
| Number of ratings | **2.6K** | — |
| Positive reviews | 80.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free | — |
| Size | 7 MB | 6 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Studio Zebra](https://appshunter.io/developer/388549605) | [Dinh Si Duyet](https://appshunter.io/developer/6802035526) |

## What reviewers say

### Calculator Plus

[App page](https://appshunter.io/ios/app/calculator-plus-units-and-split/id1082193416)

This free iPad application offers a large, easy-to-read interface for performing basic calculations. Its user-friendly controls ensure immediate usability for everyday mathematical needs.

**Highlights:** Large, easy-to-read display, User-friendly controls, Basic calculations, Free to use

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Large, clear numbers
- 👍 Simple and straightforward
- 👍 Great for basic calculations
- 👍 Convenient on iPad

**What reviewers complain about**

- 🐛 Decimal point issues
- 🐛 Inaccurate percentage calculations
- 💡 Lack of history/memory
- 💡 No backspace/undo function
- 🔍 Ads can be distracting

**Reported bugs**

- Decimal point not working properly
- Incorrect percentage calculations

**Requested features**

- Add backspace/undo function
- Improve decimal point and percentage calculations
- Provide option to remove ads


### All in One Tools

[App page](https://appshunter.io/ios/app/all-in-one-tools/id6819963991)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All in One Tool Pro | $4.99 | per month |
| All in One Tool Pro | $29.99 | per year |
| Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Calculator Plus free?

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

### Is All in One Tools free?

All in One Tools is free to download, with in-app purchases available.

### Do Calculator Plus or All in One Tools have ads?

Both Calculator Plus and All in One Tools show ads.

### Which is updated more often, Calculator Plus or All in One Tools?

Calculator Plus ships an update every 2 weeks, and All in One Tools daily. Most recently, Calculator Plus was updated on October 29, 2026 and All in One Tools on October 30, 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.*