# AddCalc PRO vs Formalize

The clearest difference is review sentiment: AddCalc PRO at 86% against Formalize's 25%. AddCalc PRO also leads on update cadence (every 6 weeks vs every 9 months) and price ($0.99 vs $1.99). Formalize's advantage is iOS requirement (12.0 vs 15.6). On ads, in-app purchases, monetization model and device support there is nothing between them.

AddCalc PRO costs $0.99 and Formalize $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AddCalc PRO ships an update every 6 weeks, Formalize every 9 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AddCalc PRO | Formalize |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | — | **[2.6 (10 ratings)](https://appshunter.io/ios/app/formalize/id1293129912/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | **85.7% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 9 months |
| Monetization | Paid | Paid |
| Size | 4 MB | 51 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shinichi Aokawa](https://appshunter.io/developer/502862033) | [Ben Hambrecht](https://appshunter.io/developer/1035136614) |

## What reviewers say

### AddCalc PRO

[App page](https://appshunter.io/ios/app/addcalc-pro/id502862030)

This calculator app offers both standard and adder calculation modes, with customizable themes, sounds, and editing features. It allows for easy copying of logs and totals, and supports various calculation functions for accounting and everyday use.

**Highlights:** Dual calculator modes (adder and standard), Customizable button design, background, and brightness, Selectable sound effects, Input log editing and recalculation, Voice reading of input log, Copy log and total functionality, Decimal point and rounding switching

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

**In-app purchases:** none


### Formalize

[App page](https://appshunter.io/ios/app/formalize/id1293129912)

Type mathematical equations and symbols directly on your iPhone or iPad. This keyboard extension offers intuitive one-handed access to over 100 symbols, producing professionally typeset formulas. Easily export your creations as PNG or TeX to use in any app.

**Highlights:** Mathematical keyboard extension, Over 100 symbols, One-handed operation, Professionally typeset formulas, PNG export, TeX export

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

**In-app purchases:** none


## Frequently asked questions

### Is AddCalc PRO free?

AddCalc PRO costs $0.99, with no in-app purchases.

### Is Formalize free?

Formalize costs $1.99, with no in-app purchases.

### Do AddCalc PRO or Formalize have ads?

Neither AddCalc PRO nor Formalize shows ads.

### Which is updated more often, AddCalc PRO or Formalize?

AddCalc PRO ships an update every 6 weeks, and Formalize every 9 months. Most recently, AddCalc PRO was updated on October 26, 2026 and Formalize 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.*