# SimpleDB vs Keelin

The clearest difference is price: Keelin at Free against SimpleDB's $1.99. Keelin also leads on update cadence (every 3 months vs every 48 months) and iOS requirement (13.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Keelin is free to download; SimpleDB costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SimpleDB ships an update every 48 months, Keelin every 3 months. The most recent releases landed on October 5, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | SimpleDB | Keelin |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simpledb/id1392905407/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 2 MB | 7 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maysoft Inc.](https://appshunter.io/developer/1008067211) | [佳喜 肖](https://appshunter.io/developer/791981887) |

## What reviewers say

### SimpleDB

[App page](https://appshunter.io/ios/app/simpledb/id1392905407)

Access and manage Amazon SimpleDB data directly from your mobile device. Browse domains, build custom queries, and export results to CSV for easy sharing and archiving. Securely store your AWS credentials for convenient access.

**Highlights:** Connect to AWS profile, Browse SimpleDB domains, Table view for attributes, Custom SELECT query builder, CSV export, Secure credential storage

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

**In-app purchases:** none


### Keelin

[App page](https://appshunter.io/ios/app/keelin-beacon/id1463471003)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SimpleDB free?

SimpleDB costs $1.99, with no in-app purchases.

### Is Keelin free?

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

### Do SimpleDB or Keelin have ads?

Neither SimpleDB nor Keelin shows ads.

### Which is updated more often, SimpleDB or Keelin?

SimpleDB ships an update every 48 months, and Keelin every 3 months. Most recently, SimpleDB was updated on October 5, 2026 and Keelin on September 13, 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.*