# BDO Documents Automation vs KaiKei

The clearest difference is update cadence: KaiKei at every 2 days against BDO Documents Automation's every 38 months. BDO Documents Automation's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BDO Documents Automation ships an update every 38 months, KaiKei every 2 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BDO Documents Automation | KaiKei |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 2 days** |
| Size | 28 MB | 13 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ziv Haft consulting and management ltd](https://appshunter.io/developer/1541158729) | [Adron Technologies SNC](https://appshunter.io/developer/1727791412) |

## What reviewers say

### BDO Documents Automation

[App page](https://appshunter.io/ios/app/bdo-documents-automation/id1541158727)

**Features:** macOS Compatibility

**In-app purchases:** none


### KaiKei

[App page](https://appshunter.io/ios/app/kaikei-ultra-simple-budget/id6777457123)

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

**In-app purchases:** none


## Frequently asked questions

### Is BDO Documents Automation free?

BDO Documents Automation is free to download, with no in-app purchases.

### Is KaiKei free?

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

### Do BDO Documents Automation or KaiKei have ads?

Neither BDO Documents Automation nor KaiKei shows ads.

### Which is updated more often, BDO Documents Automation or KaiKei?

BDO Documents Automation ships an update every 38 months, and KaiKei every 2 days. Most recently, BDO Documents Automation was updated on November 7, 2026 and KaiKei on October 31, 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.*