# Ventory vs Dosion

The clearest difference is update cadence: Ventory at every 2 days against Dosion's every 9 days. Ventory also leads on iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Ventory sells 2 in-app purchases, starting at $6.49 per month and Dosion sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Ventory ships an update every 2 days, Dosion every 9 days. Both last shipped on November 10, 2026.

## The numbers

| Metric | Ventory | Dosion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dosion-supplement-tracker/id6782393117/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | — | Freemium |
| Size | 106 MB | 35 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 12+ | 17+ |
| Developer | [Szigeti Balazs](https://appshunter.io/developer/6772119745) | [Artem Odintsov](https://appshunter.io/developer/6782393119) |

## What reviewers say

### Ventory

[App page](https://appshunter.io/ios/app/ventory-calm/id6772119743)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ventory Pro Monthly | $6.49 | per month |
| Ventory Pro Yearly | $49.99 | per year |


### Dosion

[App page](https://appshunter.io/ios/app/dosion-supplement-tracker/id6782393117)

Easily track your vitamins and supplements with daily reminders and intake history. Log doses, set schedules, and monitor your routine. Offers insights into nutrient intake and patterns over time, with privacy-focused features.

**Highlights:** Supplement tracking and logging, Customizable reminders and schedules, Intake history and pattern analysis, Nutrient upper-limit checks, Barcode scanning for supplements, Apple Watch integration, Offline functionality

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dosion Pro Monthly | $4.99 | per month |
| Dosion Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is Ventory free?

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

### Is Dosion free?

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

### Do Ventory or Dosion have ads?

Neither Ventory nor Dosion shows ads.

### Which is updated more often, Ventory or Dosion?

Ventory ships an update every 2 days, and Dosion every 9 days. Most recently, Ventory was updated on November 10, 2026 and Dosion on November 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.*