# CalcMemo929 vs ConvertCalc

The clearest difference is review sentiment: ConvertCalc at 100% against CalcMemo929's 50%. CalcMemo929's advantage is ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. CalcMemo929 sells 1 one-off in-app purchase and ConvertCalc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CalcMemo929 ships an update every 2 weeks, ConvertCalc every 8 days. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CalcMemo929 | ConvertCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/convertcalc/id6756512186/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 1 MB | 28 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [YOSHIHIRO TAKAHASHI](https://appshunter.io/developer/574193873) | [Michael Riehl](https://appshunter.io/developer/1861093934) |

## What reviewers say

### 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 |


### ConvertCalc

[App page](https://appshunter.io/ios/app/convertcalc/id6756512186)

This app combines a powerful calculator with an advanced unit converter, offering over 200 units across 19 categories. It allows for unified calculations and conversions in one step, with features like live currency exchange and date conversions. An optional pro version unlocks advanced customization and organizational tools.

**Highlights:** Unified calculation and conversion workflow, Over 200 units across 19 categories, Live currency conversion, Multiple calendar system conversions, Age calculator, Customizable themes and layouts, Offline functionality (excluding live currency)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ConvertCalc Pro | $8.99 | one-time |


## Frequently asked questions

### Is CalcMemo929 free?

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

### Is ConvertCalc free?

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

### Do CalcMemo929 or ConvertCalc have ads?

ConvertCalc shows ads; CalcMemo929 does not.

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

CalcMemo929 ships an update every 2 weeks, and ConvertCalc every 8 days. Most recently, CalcMemo929 was updated on October 27, 2026 and ConvertCalc on October 28, 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.*