# DEFIM vs Nāga

The clearest difference is in-app purchases: DEFIM at none against Nāga's 4. Nāga's advantage is update cadence (every 5 days vs every 11 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Nāga sells 4 one-off in-app purchases. DEFIM asks for nothing beyond the download.

DEFIM ships an update every 11 days, Nāga every 5 days. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | DEFIM | Nāga |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 5 days** |
| Size | 27 MB | 53 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DEFIM SA](https://appshunter.io/developer/1872387039) | [Kevin Si](https://appshunter.io/developer/1896188196) |

## What reviewers say

### DEFIM

[App page](https://appshunter.io/ios/app/defim/id6758341630)

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

**In-app purchases:** none


### Nāga

[App page](https://appshunter.io/ios/app/naga/id6766081459)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coastal License | $3.99 | one-time |
| Permis Fluvial | $3.99 | one-time |
| Permis hauturier | $3.99 | one-time |
| CRR / VHF | $3.99 | one-time |


## Frequently asked questions

### Is DEFIM free?

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

### Is Nāga free?

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

### Do DEFIM or Nāga have ads?

Neither DEFIM nor Nāga shows ads.

### Which is updated more often, DEFIM or Nāga?

DEFIM ships an update every 11 days, and Nāga every 5 days. Most recently, DEFIM was updated on October 17, 2026 and Nāga on October 19, 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.*