# ChargeSpectrum vs SupplyMD

The clearest difference is update cadence: SupplyMD at every 5 days against ChargeSpectrum's every 5 months. ChargeSpectrum's advantage is iOS requirement (13.0 vs 18.2). 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.

ChargeSpectrum ships an update every 5 months, SupplyMD every 5 days. The most recent releases landed on September 12, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | ChargeSpectrum | SupplyMD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Size | 32 MB | 2 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Clinicspectrum, Inc.](https://appshunter.io/developer/932413384) | [openuse.io](https://appshunter.io/developer/1675394770) |

## What reviewers say

### ChargeSpectrum

[App page](https://appshunter.io/ios/app/chargespectrum/id1004943613)

**Features:** macOS Compatibility

**In-app purchases:** none


### SupplyMD

[App page](https://appshunter.io/ios/app/supplymd/id6746823526)

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

**In-app purchases:** none


## Frequently asked questions

### Is ChargeSpectrum free?

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

### Is SupplyMD free?

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

### Do ChargeSpectrum or SupplyMD have ads?

Neither ChargeSpectrum nor SupplyMD shows ads.

### Which is updated more often, ChargeSpectrum or SupplyMD?

ChargeSpectrum ships an update every 5 months, and SupplyMD every 5 days. Most recently, ChargeSpectrum was updated on September 12, 2026 and SupplyMD on September 16, 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.*