# NASDS vs Bottomtime

The clearest difference is in-app purchases: NASDS at none against Bottomtime's 3. NASDS also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Bottomtime sells 3 in-app purchases, starting at $4.99 per month. NASDS asks for nothing beyond the download.

## The numbers

| Metric | NASDS | Bottomtime |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 42 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christian Daume](https://appshunter.io/developer/1681383719) | [Develak](https://appshunter.io/developer/1803580275) |

## What reviewers say

### NASDS

[App page](https://appshunter.io/ios/app/nasds/id6447462158)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bottomtime

[App page](https://appshunter.io/ios/app/bottomtime-dive-logbook/id6782090552)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bottomtime Pro — Monthly | $4.99 | per month |
| Bottomtime Pro — Yearly | $29.99 | per year |
| Bottomtime Pro — Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is NASDS free?

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

### Is Bottomtime free?

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

### Do NASDS or Bottomtime have ads?

Neither NASDS nor Bottomtime shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*