# CalcPro0123456789 vs KeepRabbit

The clearest difference is in-app purchases: KeepRabbit at none against CalcPro0123456789's 1. CalcPro0123456789's advantage is ads (none vs shown) and update cadence (every 8 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. CalcPro0123456789 sells 1 one-off in-app purchase. KeepRabbit asks for nothing beyond the download.

CalcPro0123456789 ships an update every 8 days, KeepRabbit every 3 weeks. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | CalcPro0123456789 | KeepRabbit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Size | 93 MB | 61 MB |
| Requires iOS | **17.0** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [CHENG YANG KUO](https://appshunter.io/developer/1865330785) | [SHAO PING CHU](https://appshunter.io/developer/1865340378) |

## What reviewers say

### CalcPro0123456789

[App page](https://appshunter.io/ios/app/calcpro0123456789/id6757208597)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解除廣告 | $2.99 | one-time |


### KeepRabbit

[App page](https://appshunter.io/ios/app/keeprabbit-notes-bookmarks/id6763484178)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalcPro0123456789 free?

CalcPro0123456789 is free to download, with in-app purchases available.

### Is KeepRabbit free?

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

### Do CalcPro0123456789 or KeepRabbit have ads?

KeepRabbit shows ads; CalcPro0123456789 does not.

### Which is updated more often, CalcPro0123456789 or KeepRabbit?

CalcPro0123456789 ships an update every 8 days, and KeepRabbit every 3 weeks. Most recently, CalcPro0123456789 was updated on October 31, 2026 and KeepRabbit on November 5, 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.*