# Calculator Plus #1 vs Modulo Calculator, iCalcModulo

Calculator Plus #1 and Modulo Calculator, iCalcModulo both sit at 4.8 stars, but that hides the real split: 89% of Calculator Plus #1's written reviews are positive against 50% of Modulo Calculator, iCalcModulo's. Calculator Plus #1 also leads on ratings volume (5.1K vs 1). Modulo Calculator, iCalcModulo's advantage is in-app purchases (none vs 7) and iOS requirement (12.0 vs 15). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Calculator Plus #1 sells 7 in-app purchases, starting at $0.99 per month. Modulo Calculator, iCalcModulo asks for nothing beyond the download.

Modulo Calculator, iCalcModulo holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Calculator Plus #1 has 5.1K ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 89% of Calculator Plus #1's written reviews are positive against 50% of Modulo Calculator, iCalcModulo's, so the app with the better star average is not the one people write more warmly about.

Calculator Plus #1 ships an update every 5 weeks, Modulo Calculator, iCalcModulo every 6 weeks. The most recent releases landed on October 1, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Calculator Plus #1 | Modulo Calculator, iCalcModulo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (5.1K ratings)](https://appshunter.io/ios/app/calculator-plus-1/id576156235/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/modulo-calculator-icalcmodulo/id6443557633/reviews)** |
| Number of ratings | **5.1K** | 1 |
| Positive reviews | **88.5% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 157 MB | 14 MB |
| Requires iOS | 15 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DigitAlchemy LLC](https://appshunter.io/developer/376971628) | [Takao Ichimura](https://appshunter.io/developer/1474061593) |

## What reviewers say

### Calculator Plus #1

[App page](https://appshunter.io/ios/app/calculator-plus-1/id576156235)

A straightforward calculator app designed for everyday math, school, budgeting, and shopping. It offers essential functions, a clear interface with large buttons, and a history log for reviewing past calculations. Advanced features include memory functions, percentage calculations, and multi-window support for efficient workflow.

**Highlights:** Basic arithmetic operations, Calculation history, Memory function, Percentage calculations, Large buttons and display, Customizable themes, Multi-window mode

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator with History | $0.99 | per month |
| Calculator with History | $1.49 | per month |
| Simple Calculator - No Ads | $6.29 | per year |
| Simple Calculator - No Ads | $8.99 | per year |
| Remove ads | $3.99 | one-time |
| Multiple Basic Calculations | $8.99 | one-time |
| Multiple Basic Calculations | $12.99 | one-time |

**What reviewers like**

- 🚀 Great calculator
- 👍 Easy to use
- 👍 Looks very nice
- 👍 Reliable and dependable
- 👍 Useful features like memory

**What reviewers complain about**

- 🐛 Ads disrupt calculations
- 🐛 Too many ads
- 🐛 Ads pop up in the middle of calculations

**Reported bugs**

- App crashes or doesn't open
- Ads still show up even after paying to remove them

**Requested features**

- Add brackets/parentheses for arithmetic operations
- Improve arithmetic operator priority
- Add more algebraic and trigonometric functions


### Modulo Calculator, iCalcModulo

[App page](https://appshunter.io/ios/app/modulo-calculator-icalcmodulo/id6443557633)

This utility app provides a familiar calculator interface with the unique ability to calculate division remainders. It offers a calculation history, formula display, and clipboard functions for efficient use. Ideal for tasks requiring precise division with remainders.

**Highlights:** Division remainder calculation, Calculation history, Formula display, Clipboard copy/paste, Percent calculations, Familiar calculator operation

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Plus #1 free?

Calculator Plus #1 is free to download, with in-app purchases available.

### Is Modulo Calculator, iCalcModulo free?

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

### Which has better reviews, Calculator Plus #1 or Modulo Calculator, iCalcModulo?

Modulo Calculator, iCalcModulo is rated higher. Calculator Plus #1 averages 4.8 out of 5 from 5.1K ratings, while Modulo Calculator, iCalcModulo averages 5.0 from 1 ratings.

### Do Calculator Plus #1 or Modulo Calculator, iCalcModulo have ads?

Both Calculator Plus #1 and Modulo Calculator, iCalcModulo show ads.

### Which is updated more often, Calculator Plus #1 or Modulo Calculator, iCalcModulo?

Calculator Plus #1 ships an update every 5 weeks, and Modulo Calculator, iCalcModulo every 6 weeks. Most recently, Calculator Plus #1 was updated on October 1, 2026 and Modulo Calculator, iCalcModulo on September 12, 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.*