# divelogs vs Time to Surface

The clearest difference is update cadence: Time to Surface at every 2 days against divelogs's monthly. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for divelogs against 5.0 for Time to Surface. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

divelogs ships an update monthly, Time to Surface every 2 days. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | divelogs | Time to Surface |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/divelogs/id6475862147/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/time-to-surface-deco-planner/id6803187271/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free | Free |
| Size | 35 MB | 4 MB |
| Requires iOS | 17.5 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rainer Mohr](https://appshunter.io/developer/1725310790) | [RUSTAM ISMAILOV](https://appshunter.io/developer/6799582362) |

## What reviewers say

### divelogs

[App page](https://appshunter.io/ios/app/divelogs/id6475862147)

Manage your diving activities and certifications with this companion app. Add, edit, and sync your dive logs, gear, and certifications with the web platform. Supports importing dive data from FIT files.

**Highlights:** Sync dive logs with web platform, Add and edit dives, Manage certifications, Track dive gear, Import FIT files

**Features:** macOS Compatibility

**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:** none


## Frequently asked questions

### Is divelogs free?

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

### Is Time to Surface free?

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

### Which has better reviews, divelogs or Time to Surface?

divelogs and Time to Surface are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

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

Neither divelogs nor Time to Surface shows ads.

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

divelogs ships an update monthly, and Time to Surface every 2 days. Most recently, divelogs was updated on October 3, 2026 and Time to Surface on October 7, 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.*