# JJ's vs Double Dose

JJ's and Double Dose 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.

JJ's ships an update weekly, Double Dose every 2 weeks. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | JJ's | Double Dose |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 89 MB | 5 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Prepit Services](https://appshunter.io/developer/1713036423) | [Sting for Investments](https://appshunter.io/developer/1632795461) |

## What reviewers say

### JJ's

[App page](https://appshunter.io/ios/app/jjs/id6504193835)

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

**In-app purchases:** none


### Double Dose

[App page](https://appshunter.io/ios/app/double-dose/id6759610866)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JJ's free?

JJ's is free to download, with no in-app purchases.

### Is Double Dose free?

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

### Do JJ's or Double Dose have ads?

Neither JJ's nor Double Dose shows ads.

### Which is updated more often, JJ's or Double Dose?

JJ's ships an update weekly, and Double Dose every 2 weeks. Most recently, JJ's was updated on October 7, 2026 and Double Dose on October 1, 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.*