# GreenData vs Summus Angel

GreenData and Summus Angel 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.

GreenData ships an update every 3 weeks, Summus Angel monthly. The most recent releases landed on September 15, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | GreenData | Summus Angel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 215 MB | 33 MB |
| Requires iOS | 14.0 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GreenData](https://appshunter.io/developer/1047549512) | [Shiawasedo Inc.](https://appshunter.io/developer/1271249228) |

## What reviewers say

### GreenData

[App page](https://appshunter.io/ios/app/greendata/id1467346474)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Summus Angel

[App page](https://appshunter.io/ios/app/summus-angel/id6477930821)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GreenData free?

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

### Is Summus Angel free?

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

### Do GreenData or Summus Angel have ads?

Neither GreenData nor Summus Angel shows ads.

### Which is updated more often, GreenData or Summus Angel?

GreenData ships an update every 3 weeks, and Summus Angel monthly. Most recently, GreenData was updated on September 15, 2026 and Summus Angel on September 10, 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.*