# 1Round vs Supplement Stack

The clearest difference is update cadence: 1Round at every 4 days against Supplement Stack's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 1Round sells 2 in-app purchases, starting at $4.99 per year and Supplement Stack sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

1Round ships an update every 4 days, Supplement Stack fortnightly. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 1Round | Supplement Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Fortnightly |
| Size | 4 MB | 11 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Marian Kazimir](https://appshunter.io/developer/1895409625) | [YUSUF OCAL](https://appshunter.io/developer/6788141769) |

## What reviewers say

### 1Round

[App page](https://appshunter.io/ios/app/1round/id6763749009)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Yearly | $4.99 | per year |
| PRO Lifetime | $14.99 | one-time |


### Supplement Stack

[App page](https://appshunter.io/ios/app/supplement-stack-vitamin-log/id6802665138)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supp Stack Pro Weekly | $3.99 | per 7 days |
| Supp Stack Pro Monthly | $7.99 | per month |
| Supp Stack Pro Yearly | $14.99 | per year |
| Supp Stack Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is 1Round free?

1Round is free to download, with in-app purchases available.

### Is Supplement Stack free?

Supplement Stack is free to download, with in-app purchases available.

### Do 1Round or Supplement Stack have ads?

Neither 1Round nor Supplement Stack shows ads.

### Which is updated more often, 1Round or Supplement Stack?

1Round ships an update every 4 days, and Supplement Stack fortnightly. Most recently, 1Round was updated on November 5, 2026 and Supplement Stack on November 6, 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.*