# UpMeter vs DiveCore

The clearest difference is price: DiveCore at Free against UpMeter's $0.99. UpMeter's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 18.0). On update cadence, ads and device support there is nothing between them.

DiveCore is free to download; UpMeter costs $0.99 up front. DiveCore sells 3 in-app purchases, starting at $4.99 per month. UpMeter asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 days. Both last shipped on September 21, 2026.

## The numbers

| Metric | UpMeter | DiveCore |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | Every 6 days |
| Monetization | — | Freemium |
| Size | 1 MB | 18 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Helge Mueller](https://appshunter.io/developer/1866256306) | [juseong kim](https://appshunter.io/developer/1875156558) |

## What reviewers say

### UpMeter

[App page](https://appshunter.io/ios/app/upmeter/id6757345059)

**Features:** Apple Watch app

**In-app purchases:** none


### DiveCore

[App page](https://appshunter.io/ios/app/divecore-dive-computer/id6758817797)

This app transforms your Apple Watch Ultra into a professional dive computer. It uses on-device AI to analyze your dives, providing insights into safety, efficiency, and consistency. Features include real-time decompression modeling, estimated dive routes, and a no-fly timer.

**Highlights:** Bühlmann ZHL-16C decompression model, Real-time NDL + decompression ceiling display, Estimated dive route visualization, No-fly timer with Live Activity, On-device AI dive scoring, Dive log with iCloud sync, Underwater color correction

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DiveCore Pro (Monthly) | $4.99 | per month |
| DiveCore Pro (Yearly) | $29.99 | per year |
| DiveCore Pro 1-Day Pass | $2.99 | one-time |


## Frequently asked questions

### Is UpMeter free?

UpMeter costs $0.99, with no in-app purchases.

### Is DiveCore free?

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

### Do UpMeter or DiveCore have ads?

Neither UpMeter nor DiveCore shows ads.

### Which is updated more often, UpMeter or DiveCore?

UpMeter ships an update every 6 days, and DiveCore every 6 days. Most recently, UpMeter was updated on September 21, 2026 and DiveCore 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.*