# mvPlan vs Time to Surface

The clearest difference is in-app purchases: mvPlan at none against Time to Surface's 3. mvPlan also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Time to Surface's advantage is update cadence (every 3 days vs fortnightly). On price and ads there is nothing between them.

Both are free to download. Time to Surface sells 3 in-app purchases, starting at $2.99 per month. mvPlan asks for nothing beyond the download.

mvPlan ships an update fortnightly, Time to Surface every 3 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | mvPlan | Time to Surface |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/time-to-surface-deco-planner/id6803187271/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | — | Free |
| Size | 10 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CAP-REL](https://appshunter.io/developer/1405536766) | [RUSTAM ISMAILOV](https://appshunter.io/developer/6799582362) |

## What reviewers say

### mvPlan

[App page](https://appshunter.io/ios/app/mvplan/id6760315291)

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

**In-app purchases:** none


### Time to Surface

[App page](https://appshunter.io/ios/app/time-to-surface-deco-planner/id6803187271)

This technical dive planner calculates staged decompression for dives up to 56 meters. It supports multiple bottom gases and one deco bottle, offering detailed gas planning, runtime tracking, and contingency solutions. The app also accounts for repetitive dives and provides a printable wetnote layout.

**Highlights:** Staged decompression planning (15-56m), Support for six bottom gases and one deco gas, Twin cylinder configuration, Bühlmann ZH-L16C model with adjustable gradient factors, Adjustable ppO2 and descent rates, Repetitive dive planning, Contingency scenario calculations

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diver.Today, monthly | $2.99 | per month |
| Diver.Today, yearly | $19.99 | per year |
| Diver.Today, for life | $49.99 | one-time |


## Frequently asked questions

### Is mvPlan free?

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

### Is Time to Surface free?

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

### Do mvPlan or Time to Surface have ads?

Neither mvPlan nor Time to Surface shows ads.

### Which is updated more often, mvPlan or Time to Surface?

mvPlan ships an update fortnightly, and Time to Surface every 3 days. Most recently, mvPlan was updated on October 25, 2026 and Time to Surface on October 29, 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.*