# Calculator₊ vs Formalize Light

The clearest difference is review sentiment: Calculator₊ at 63% against Formalize Light's 17%. Calculator₊ also leads on rating (4.7 vs 2.3) and update cadence (every 3 weeks vs every 12 months). Formalize Light's advantage is in-app purchases (none vs 13) and ads (none vs shown). On price there is nothing between them.

Both are free to download. Calculator₊ sells 12 in-app purchases, starting at $0.99 per month. Formalize Light asks for nothing beyond the download.

Calculator₊ holds the better App Store score, 4.7 against 2.3. That said, the two scores are not equally well evidenced: Calculator₊ has 1.7M ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 63% of Calculator₊'s written reviews are positive against 17% of Formalize Light's.

Calculator₊ ships an update every 3 weeks, Formalize Light every 12 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calculator₊ | Formalize Light |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.7M ratings)](https://appshunter.io/ios/app/calculator/id398129933/reviews)** | [2.3 (4 ratings)](https://appshunter.io/ios/app/formalize-light/id1467203618/reviews) |
| Number of ratings | **1.7M** | 4 |
| Positive reviews | **63.1% of reviews** | 16.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 12 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#100** | — |
| Size | 237 MB | 62 MB |
| Requires iOS | 15.0 | **10.3** |
| Devices | **iPhone, iPad, iPod, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Impala Studios](https://appshunter.io/developer/1063279743) | [Ben Hambrecht](https://appshunter.io/developer/1035136614) |

## What reviewers say

### Calculator₊

[App page](https://appshunter.io/ios/app/calculator/id398129933)

**Currently charting:** #100 Top Grossing · Utilities (US App Store)

This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.

**Highlights:** Basic and scientific calculations, Unit and currency converter, AI-powered math solver with photo recognition, Math notes with instant solutions, Calculation history log, Accessibility features

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Member Special Offer | $0.99 | per month |
| Monthly Premium Member | $0.99 | per month |
| 1 Month Premium Access | $1.49 | per month |
| Unlimited Math Calculations | $3.99 | per 6 months |
| Half-Yearly Premium Member | $3.99 | per 6 months |
| Calculate Faster, AI, & No Ads | $4.99 | per 7 days |
| 1 Year Ad-Free | $5.99 | per year |
| Calculate Faster, AI, & No Ads | $5.99 | per 7 days |
| 1 Month Premium Trial | $5.99 | per 7 days |
| Math Solver/Full Access/No Ads | $5.99 | per 7 days |
| 6 Months Premium Access | $8.99 | per 6 months |
| Smart Currency & Fraction Calc | $14.99 | per year |

**What reviewers like**

- 💻 Useful calculator features
- 🎨 Customizable backgrounds and themes
- 📚 Helpful history tracking

**What reviewers complain about**

- 📺 Intrusive full-screen ads
- 💰 Expensive subscription model
- 🔍 Ads blocking calculator functionality

**Reported bugs**

- Incorrect calculation results for certain functions
- Inability to delete last entered digit without clearing entire calculation

**Requested features**

- Ability to delete individual calculation history entries
- More free advanced calculator features (fractions, currency, etc.)
- Improved ad placement that doesn't interfere with usage


### Formalize Light

[App page](https://appshunter.io/ios/app/formalize-light/id1467203618)

This utility app provides a keyboard extension for typing mathematical formulas on iOS devices. It offers easy access to over 100 symbols and generates professionally typeset equations that can be converted to TeX.

**Highlights:** Mathematical keyboard extension, Over 100 symbols, One-handed access, Professionally typeset formulas, Convert formulas to TeX, Insert formulas into any app

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator₊ free?

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

### Is Formalize Light free?

Formalize Light is free to download, with no in-app purchases.

### Which has better reviews, Calculator₊ or Formalize Light?

Calculator₊ is rated higher. Calculator₊ averages 4.7 out of 5 from 1.7M ratings, while Formalize Light averages 2.3 from 4 ratings.

### Do Calculator₊ or Formalize Light have ads?

Calculator₊ shows ads; Formalize Light does not.

### Which is updated more often, Calculator₊ or Formalize Light?

Calculator₊ ships an update every 3 weeks, and Formalize Light every 12 months. Most recently, Calculator₊ was updated on October 27, 2026 and Formalize Light on October 24, 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.*