# BigCalc vs CalcMemo929

The clearest difference is price: CalcMemo929 at Free against BigCalc's $0.99. CalcMemo929 also leads on update cadence (every 2 weeks vs every 2 months). BigCalc's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 16.4). On ads and device support there is nothing between them.

CalcMemo929 is free to download; BigCalc costs $0.99 up front. CalcMemo929 sells 1 one-off in-app purchase. BigCalc asks for nothing beyond the download.

BigCalc ships an update every 2 months, CalcMemo929 every 2 weeks. The most recent releases landed on July 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | BigCalc | CalcMemo929 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/bigcalc/id373059494/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 1 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPad, Mac | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [r2r660cc](https://appshunter.io/developer/372976464) | [YOSHIHIRO TAKAHASHI](https://appshunter.io/developer/574193873) |

## What reviewers say

### BigCalc

[App page](https://appshunter.io/ios/app/bigcalc/id373059494)

This calculator app emits sound with each button press, offering a unique tactile feedback experience. It calculates operations in the order they are entered, similar to a standard Windows calculator. Enjoy your music while using it, as the sound output does not interfere with playback.

**Highlights:** Audible button feedback, Sequential calculation logic, Music playback compatibility, Simple interface

**In-app purchases:** none


### CalcMemo929

[App page](https://appshunter.io/ios/app/calcmemo929/id6451918962)

This app combines a simple calculator with note-taking capabilities, allowing users to solve math problems and save calculation processes as memos for easy reference. Its user-friendly interface and clear display enhance the learning and work experience.

**Highlights:** Intuitive user interface, Clear display of calculations, Save calculations as memos, Full-screen number display in landscape, Supports learning and work tasks

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $0.49 | one-time |


## Frequently asked questions

### Is BigCalc free?

BigCalc costs $0.99, with no in-app purchases.

### Is CalcMemo929 free?

CalcMemo929 is free to download, with in-app purchases available.

### Do BigCalc or CalcMemo929 have ads?

Neither BigCalc nor CalcMemo929 shows ads.

### Which is updated more often, BigCalc or CalcMemo929?

BigCalc ships an update every 2 months, and CalcMemo929 every 2 weeks. Most recently, BigCalc was updated on July 6, 2026 and CalcMemo929 on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*