# EVERGRIN vs COB

EVERGRIN and COB 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.

EVERGRIN ships an update every 2 months, COB every 6 weeks. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | EVERGRIN | COB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 51 MB | 36 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Van Truong](https://appshunter.io/developer/1483255107) | [Co-opBank](https://appshunter.io/developer/1578068884) |

## What reviewers say

### EVERGRIN

[App page](https://appshunter.io/ios/app/evergrin/id6494986627)

**Features:** macOS Compatibility

**In-app purchases:** none


### COB

[App page](https://appshunter.io/ios/app/cob-daotao/id6757465627)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EVERGRIN free?

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

### Is COB free?

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

### Do EVERGRIN or COB have ads?

Neither EVERGRIN nor COB shows ads.

### Which is updated more often, EVERGRIN or COB?

EVERGRIN ships an update every 2 months, and COB every 6 weeks. Most recently, EVERGRIN was updated on October 14, 2026 and COB on October 24, 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.*