# Jumbo Calculator vs DayCalc

The clearest difference is rating: DayCalc at 4.7 against Jumbo Calculator's 3.6. DayCalc also leads on review sentiment (87% vs 50%) and device support (4 vs 1). Jumbo Calculator's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, ratings volume and update cadence there is nothing between them.

Both are free to download. DayCalc sells 4 one-off in-app purchases. Jumbo Calculator asks for nothing beyond the download.

DayCalc holds the better App Store score, 4.7 against 3.6. Both are backed by a comparable volume of ratings — 76 and 128 respectively. Written reviews point the same way: 50% of Jumbo Calculator's written reviews are positive against 87% of DayCalc's.

Jumbo Calculator ships an update monthly, DayCalc every 3 weeks. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Jumbo Calculator | DayCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (76 ratings)](https://appshunter.io/ios/app/jumbo-calculator/id361121377/reviews) | **[4.7 (128 ratings)](https://appshunter.io/ios/app/daycalc-note-calculator/id661506264/reviews)** |
| Number of ratings | 76 | **128** |
| Positive reviews | 49.6% of reviews | **87.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 23 MB | 170 MB |
| Requires iOS | **9.3** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Weems](https://appshunter.io/developer/319461222) | [良峰 侯](https://appshunter.io/developer/654444245) |

## 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


### DayCalc

[App page](https://appshunter.io/ios/app/daycalc-note-calculator/id661506264)

This app combines a powerful calculator with a comprehensive unit converter. It offers standard, scientific, and fraction calculations, along with over 600 units across 20 categories. Users can customize units, add notes to calculations, and enjoy a visually appealing interface with multiple themes.

**Highlights:** Standard, scientific, and fraction calculator, Live voice calculator, Add notes to calculations, Over 600 units in 20 categories, Custom unit creation, Automatic currency exchange rate updates, 50+ themes and dark mode support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Constants Pack | $0.99 | one-time |
| Custom Unit Pack | $1.99 | one-time |
| Remove Ads | $3.99 | one-time |
| Complete Pack | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use and convenient
- 💯 All-in-one calculator with multiple functions
- ✨ Customizable themes and backgrounds
- 🧮 Supports fraction calculations
- 📈 History and memory functions available

**What reviewers complain about**

- ⚠️ Ads can be intrusive
- 🐛 Some users experience update issues
- ❌ Weight conversions not always available
- 🔊 Unwanted sound effects
- ❓ Ad-free cost unclear for cross-platform

**Reported bugs**

- Update issues, stuck in update loop
- Cannot install after removal
- Weight conversion not showing
- Keys making sound unexpectedly
- App not working after professional version update

**Requested features**

- Add Pi button
- Improve currency conversion navigation
- iCloud support for syncing across devices
- Add background running feature
- Ability to change app icon


## Frequently asked questions

### Is Jumbo Calculator free?

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

### Is DayCalc free?

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

### Which has better reviews, Jumbo Calculator or DayCalc?

DayCalc is rated higher. Jumbo Calculator averages 3.6 out of 5 from 76 ratings, while DayCalc averages 4.7 from 128 ratings.

### Do Jumbo Calculator or DayCalc have ads?

DayCalc shows ads; Jumbo Calculator does not.

### Which is updated more often, Jumbo Calculator or DayCalc?

Jumbo Calculator ships an update monthly, and DayCalc every 3 weeks. Most recently, Jumbo Calculator was updated on October 23, 2026 and DayCalc on October 29, 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.*