# UMSmartSound vs GEEKFLY

The clearest difference is update cadence: GEEKFLY at fortnightly against UMSmartSound's every 3 months. UMSmartSound's advantage is iOS requirement (13.0 vs 15.0). 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.

UMSmartSound ships an update every 3 months, GEEKFLY fortnightly. The most recent releases landed on October 27, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | UMSmartSound | GEEKFLY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 11 MB | 30 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ZERO PLUS, K.K.](https://appshunter.io/developer/1536723252) | [东莞市极客飞声电子技术有限公司](https://appshunter.io/developer/1896487365) |

## What reviewers say

### UMSmartSound

[App page](https://appshunter.io/ios/app/umsmartsound/id1658261071)

**Features:** macOS Compatibility

**In-app purchases:** none


### GEEKFLY

[App page](https://appshunter.io/ios/app/geekfly/id6767556459)

**In-app purchases:** none


## Frequently asked questions

### Is UMSmartSound free?

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

### Is GEEKFLY free?

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

### Do UMSmartSound or GEEKFLY have ads?

Neither UMSmartSound nor GEEKFLY shows ads.

### Which is updated more often, UMSmartSound or GEEKFLY?

UMSmartSound ships an update every 3 months, and GEEKFLY fortnightly. Most recently, UMSmartSound was updated on October 27, 2026 and GEEKFLY on October 20, 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.*