# Blackfin | Yerevan vs LongevityJuice

The clearest difference is update cadence: LongevityJuice at every 5 days against Blackfin | Yerevan's every 6 months. LongevityJuice also leads on iOS requirement (13.0 vs 16.0). 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.

Blackfin | Yerevan ships an update every 6 months, LongevityJuice every 5 days. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Blackfin | Yerevan | LongevityJuice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Size | 79 MB | 40 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nikita Rozbitsky](https://appshunter.io/developer/1327829039) | [VBINFOTECH](https://appshunter.io/developer/1739913287) |

## What reviewers say

### Blackfin | Yerevan

[App page](https://appshunter.io/ios/app/blackfin-yerevan/id6498920221)

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

**In-app purchases:** none


### LongevityJuice

[App page](https://appshunter.io/ios/app/longevityjuice/id6504337341)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blackfin | Yerevan free?

Blackfin | Yerevan is free to download, with no in-app purchases.

### Is LongevityJuice free?

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

### Do Blackfin | Yerevan or LongevityJuice have ads?

Neither Blackfin | Yerevan nor LongevityJuice shows ads.

### Which is updated more often, Blackfin | Yerevan or LongevityJuice?

Blackfin | Yerevan ships an update every 6 months, and LongevityJuice every 5 days. Most recently, Blackfin | Yerevan was updated on October 24, 2026 and LongevityJuice on October 14, 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.*