# Mercury Diagnostic App vs Ottagive

The clearest difference is rating: Ottagive at 5.0 against Mercury Diagnostic App's 3.0. Ottagive also leads on update cadence (every 4 days vs every 11 months). Mercury Diagnostic App's advantage is iOS requirement (10.0 vs 15.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Ottagive holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Mercury Diagnostic App ships an update every 11 months, Ottagive every 4 days. The most recent releases landed on November 5, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Mercury Diagnostic App | Ottagive |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/mercury-diagnostic-app/id1491041580/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ottagive/id6455785316/reviews)** |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 73 MB | 169 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mercury Marine LLC](https://appshunter.io/developer/1777822540) | [Aikonik LLC](https://appshunter.io/developer/1623003972) |

## What reviewers say

### Mercury Diagnostic App

[App page](https://appshunter.io/ios/app/mercury-diagnostic-app/id1491041580)

This app allows Mercury dealer technicians to perform basic diagnostics on SmartCraft® engines. It provides live engine data, fault information, runtime history, and custom data lists. Full functionality requires a license key and a VesselView Mobile module.

**Highlights:** View live SmartCraft® engine data, Create custom data lists, Obtain active faults, View runtime history, Enter maintenance records, Wireless communication via Bluetooth

**Features:** Vision Pro support

**In-app purchases:** none


### Ottagive

[App page](https://appshunter.io/ios/app/ottagive/id6455785316)

Send personalized digital gifts tied to real-world locations like restaurants or experiences. Create rich multimedia messages with photos, videos, and notes to make giving more meaningful. Track sent and received gifts, and manage payments securely within the app.

**Highlights:** Personalized multimedia gift creation, Location-based gift delivery, Secure in-app wallet and banking, Track sent and received gifts, Contact integration for easy sending, Multimedia response options

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

**In-app purchases:** none


## Frequently asked questions

### Is Mercury Diagnostic App free?

Mercury Diagnostic App is free to download, with no in-app purchases.

### Is Ottagive free?

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

### Which has better reviews, Mercury Diagnostic App or Ottagive?

Ottagive is rated higher. Mercury Diagnostic App averages 3.0 out of 5 from 1 ratings, while Ottagive averages 5.0 from 1 ratings.

### Do Mercury Diagnostic App or Ottagive have ads?

Neither Mercury Diagnostic App nor Ottagive shows ads.

### Which is updated more often, Mercury Diagnostic App or Ottagive?

Mercury Diagnostic App ships an update every 11 months, and Ottagive every 4 days. Most recently, Mercury Diagnostic App was updated on November 5, 2026 and Ottagive on November 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.*