# UPDC vs VitalLog Tracker

The clearest difference is in-app purchases: UPDC at none against VitalLog Tracker's 2. UPDC also leads on ads (none vs shown). VitalLog Tracker's advantage is chart position (#56 vs unranked) and iOS requirement (13.0 vs 15.1). On price, update cadence and device support there is nothing between them.

Both are free to download. VitalLog Tracker sells 2 in-app purchases, starting at $4.99 per 7 days. UPDC asks for nothing beyond the download.

UPDC ships an update monthly, VitalLog Tracker every 5 weeks. The most recent releases landed on September 15, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | UPDC | VitalLog Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 5 weeks |
| Best chart rank | — | **#56** |
| Size | 64 MB | 41 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iClassPro Inc](https://appshunter.io/developer/1194756576) | [Walrus Holdings(Hong Kong)Limited](https://appshunter.io/developer/1762952172) |

## What reviewers say

### UPDC

[App page](https://appshunter.io/ios/app/updc/id6753730144)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### VitalLog Tracker

[App page](https://appshunter.io/ios/app/vitallog-tracker/id6756713738)

**Currently charting:** #56 Top Free · Health & Fitness (US App Store)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Annual | $29.99 | per year |


## Frequently asked questions

### Is UPDC free?

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

### Is VitalLog Tracker free?

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

### Do UPDC or VitalLog Tracker have ads?

VitalLog Tracker shows ads; UPDC does not.

### Which is updated more often, UPDC or VitalLog Tracker?

UPDC ships an update monthly, and VitalLog Tracker every 5 weeks. Most recently, UPDC was updated on September 15, 2026 and VitalLog Tracker on September 21, 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.*