# RedoCalc vs SpeakMemoChime

The clearest difference is in-app purchases: RedoCalc at none against SpeakMemoChime's 2. SpeakMemoChime's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. SpeakMemoChime sells 2 in-app purchases, starting at $0.49 per month. RedoCalc asks for nothing beyond the download.

## The numbers

| Metric | RedoCalc | SpeakMemoChime |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | — |
| Size | 3 MB | 243 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Toshiyuki Kuwabara](https://appshunter.io/developer/1649322074) | [Mitsuhiro Hashimoto](https://appshunter.io/developer/509482512) |

## What reviewers say

### RedoCalc

[App page](https://appshunter.io/ios/app/redocalc/id6743318834)

**Features:** macOS Compatibility

**In-app purchases:** none


### SpeakMemoChime

[App page](https://appshunter.io/ios/app/speakmemochime/id6754267410)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $0.49 | per month |
| Premium (Yearly) | $5.99 | per year |


## Frequently asked questions

### Is RedoCalc free?

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

### Is SpeakMemoChime free?

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

### Do RedoCalc or SpeakMemoChime have ads?

RedoCalc shows ads; SpeakMemoChime does not.

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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.*