# MPower Promo vs StoreJars

The clearest difference is update cadence: StoreJars at every 3 weeks against MPower Promo's every 11 months. StoreJars also leads on iOS requirement (13.0 vs 15.5). 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.

MPower Promo ships an update every 11 months, StoreJars every 3 weeks. The most recent releases landed on October 27, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | MPower Promo | StoreJars |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Size | 8 MB | 49 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MPower Promo Inc](https://appshunter.io/developer/1499931738) | [STOREJARS LIMITED](https://appshunter.io/developer/1496759642) |

## What reviewers say

### MPower Promo

[App page](https://appshunter.io/ios/app/mpower-promo/id1499931739)

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

**In-app purchases:** none


### StoreJars

[App page](https://appshunter.io/ios/app/storejars-ecommerce-stores/id1584973436)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MPower Promo free?

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

### Is StoreJars free?

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

### Do MPower Promo or StoreJars have ads?

Neither MPower Promo nor StoreJars shows ads.

### Which is updated more often, MPower Promo or StoreJars?

MPower Promo ships an update every 11 months, and StoreJars every 3 weeks. Most recently, MPower Promo was updated on October 27, 2026 and StoreJars 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.*