# Jumbo Calculator vs Calculator%.

The clearest difference is rating: Calculator%. at 4.4 against Jumbo Calculator's 3.6. Calculator%. also leads on ratings volume (4.2K vs 76) and review sentiment (61% vs 50%). Jumbo Calculator's advantage is ads (none vs shown) and update cadence (monthly vs every 3 months). On price and in-app purchases there is nothing between them.

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

Calculator%. holds the better App Store score, 4.4 against 3.6. That said, the two scores are not equally well evidenced: Calculator%. has 4.2K ratings behind it against 76, so its average is the more settled of the two. Written reviews point the same way: 50% of Jumbo Calculator's written reviews are positive against 61% of Calculator%.'s.

Jumbo Calculator ships an update monthly, Calculator%. every 3 months. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Jumbo Calculator | Calculator%. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (76 ratings)](https://appshunter.io/ios/app/jumbo-calculator/id361121377/reviews) | **[4.4 (4.2K ratings)](https://appshunter.io/ios/app/calculator/id980603448/reviews)** |
| Number of ratings | 76 | **4.2K** |
| Positive reviews | 49.6% of reviews | **61.2% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | **Free** | Ad-supported |
| Size | 23 MB | 11 MB |
| Requires iOS | **9.3** | 12.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Weems](https://appshunter.io/developer/319461222) | [UniCom Technology](https://appshunter.io/developer/1270764210) |

## What reviewers say

### Jumbo Calculator

[App page](https://appshunter.io/ios/app/jumbo-calculator/id361121377)

This app offers a straightforward large-button calculator experience, ideal for quick calculations. It includes intuitive gestures for editing and accessibility features like VoiceOver support.

**Highlights:** Large, easy-to-read buttons, Swipe for backspace, Double tap to copy/paste, Landscape mode calculator, VoiceOver support

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Large, clear buttons
- 🚀 Fast and responsive
- 🔒 No ads or distractions

**What reviewers complain about**

- 🐛 Lacks basic features like percentage button
- 🔢 Limited functionality for advanced calculations
- 🧠 Does not respect order of operations

**Reported bugs**

- Decimal point sometimes not recognized
- Pos/Neg function not always working as expected

**Requested features**

- Add percentage button
- Implement scientific calculator mode
- Include memory functions
- Add option to dim display by covering solar panel


### Calculator%.

[App page](https://appshunter.io/ios/app/calculator/id980603448)

This app offers a straightforward calculator with a large display and oversized buttons for easy operation. It's designed for everyday tasks, enabling users to perform fundamental arithmetic like addition, subtraction, multiplication, and division with clarity and convenience.

**Highlights:** Big display and buttons, Easy to use, Basic calculations, Clear display format, Intuitive design

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient for large numbers
- 💡 Helpful for solving problems

**What reviewers complain about**

- 🐛 Occasional glitches and bugs
- 💸 Intrusive ads
- 🔍 Difficult to find settings/options

**Reported bugs**

- App crashes when adding certain numbers
- Buttons not responsive at times
- Incorrect calculations for some operations

**Requested features**

- History feature
- Customizable interface
- Improved accuracy for decimal calculations


## Frequently asked questions

### Is Jumbo Calculator free?

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

### Is Calculator%. free?

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

### Which has better reviews, Jumbo Calculator or Calculator%.?

Calculator%. is rated higher. Jumbo Calculator averages 3.6 out of 5 from 76 ratings, while Calculator%. averages 4.4 from 4.2K ratings.

### Do Jumbo Calculator or Calculator%. have ads?

Calculator%. shows ads; Jumbo Calculator does not.

### Which is updated more often, Jumbo Calculator or Calculator%.?

Jumbo Calculator ships an update monthly, and Calculator%. every 3 months. Most recently, Jumbo Calculator was updated on October 23, 2026 and Calculator%. on October 26, 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.*