# DB RelationalAlgebra vs MaidKit

DB RelationalAlgebra and MaidKit are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

DB RelationalAlgebra ships an update fortnightly, MaidKit weekly. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | DB RelationalAlgebra | MaidKit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 1 MB | 117 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Artur Borycki](https://appshunter.io/developer/6792125744) | [君阳 蒋](https://appshunter.io/developer/1730403373) |

## What reviewers say

### DB RelationalAlgebra

[App page](https://appshunter.io/ios/app/db-relationalalgebra/id6792125742)

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

**In-app purchases:** none


### MaidKit

[App page](https://appshunter.io/ios/app/maidkit/id6793576897)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DB RelationalAlgebra free?

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

### Is MaidKit free?

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

### Do DB RelationalAlgebra or MaidKit have ads?

Neither DB RelationalAlgebra nor MaidKit shows ads.

### Which is updated more often, DB RelationalAlgebra or MaidKit?

DB RelationalAlgebra ships an update fortnightly, and MaidKit weekly. Most recently, DB RelationalAlgebra was updated on October 7, 2026 and MaidKit on October 9, 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.*