# Edison XRef vs sundayaOne

The clearest difference is update cadence: sundayaOne at every 6 weeks against Edison XRef's every 75 months. 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.

Edison XRef ships an update every 75 months, sundayaOne every 6 weeks. The most recent releases landed on October 10, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Edison XRef | sundayaOne |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 75 months | **Every 6 weeks** |
| Size | 49 MB | 69 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Cooper Bussmann, LLC](https://appshunter.io/developer/609315535) | [PT Sundaya Indonesia](https://appshunter.io/developer/1717373542) |

## What reviewers say

### Edison XRef

[App page](https://appshunter.io/ios/app/edison-xref/id1470236203)

**Features:** macOS Compatibility

**In-app purchases:** none


### sundayaOne

[App page](https://appshunter.io/ios/app/sundayaone/id6472682861)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Edison XRef free?

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

### Is sundayaOne free?

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

### Do Edison XRef or sundayaOne have ads?

Neither Edison XRef nor sundayaOne shows ads.

### Which is updated more often, Edison XRef or sundayaOne?

Edison XRef ships an update every 75 months, and sundayaOne every 6 weeks. Most recently, Edison XRef was updated on October 10, 2026 and sundayaOne on October 20, 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.*