# Nikon SpotOn vs TrueData

The clearest difference is review sentiment: TrueData at 100% against Nikon SpotOn's 22%. TrueData also leads on rating (5.0 vs 2.1) and update cadence (every 4 weeks vs every 6 months). Nikon SpotOn's advantage is ratings volume (380 vs 12). On price, ads, in-app purchases and monetization model there is nothing between them.

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

TrueData holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: Nikon SpotOn has 380 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 22% of Nikon SpotOn's written reviews are positive against 100% of TrueData's.

Nikon SpotOn ships an update every 6 months, TrueData every 4 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Nikon SpotOn | TrueData |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (380 ratings)](https://appshunter.io/ios/app/nikon-spoton/id399224811/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/truedata/id6755197795/reviews)** |
| Number of ratings | **380** | 12 |
| Positive reviews | 21.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 7 MB | 32 MB |
| Requires iOS | **14.5** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nikon Inc.](https://appshunter.io/developer/330046130) | [Sierra Bullets LLC](https://appshunter.io/developer/1450057822) |

## What reviewers say

### Nikon SpotOn

[App page](https://appshunter.io/ios/app/nikon-spoton/id399224811)

This app calculates precise aiming points for Nikon BDC reticle riflescopes. It also provides instant sighting references for other Nikon riflescopes with various reticle types. The tool helps users determine optimal shooting solutions before firing a shot.

**Highlights:** Precise aiming points for BDC reticles, Sighting references for other Nikon reticles, Rangefinder integration, Load comparison, Atmospheric condition adjustments, Field reference chart creation

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate ballistic calculations
- 💡 Extensive caliber and ammo options
- 👍 Helpful for muzzleloader and rifle scopes
- 🎯 Improved shooting accuracy and confidence

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🔍 Missing scope and ammo options
- 🔌 Compatibility issues with newer devices
- 🔍 Unreliable data and incorrect ballistics

**Reported bugs**

- App crashes when selecting bullet or ammo
- Incorrect muzzle velocity and ballistic data
- Scope options not showing up for some users
- Weather data not loading properly

**Requested features**

- Ability to save multiple scope and ammo profiles
- Option to manually input barrel length
- Metric unit support
- Improved weather data integration


### TrueData

[App page](https://appshunter.io/ios/app/truedata/id6755197795)

This app calculates ballistic data for rifles and bullets, factoring in weather and distance. It offers advanced features like muzzle velocity and BC truing, extensive bullet libraries, and customizable rifle and bullet profiles. Exportable trajectory tables and real-time weather integration enhance accuracy for shooters.

**Highlights:** Ballistic calculations, Real-time weather integration, Extensive bullet libraries, Customizable rifle and bullet profiles, Trajectory table generation, Muzzle velocity and BC truing, Spin drift calculation

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

**In-app purchases:** none


## Frequently asked questions

### Is Nikon SpotOn free?

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

### Is TrueData free?

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

### Which has better reviews, Nikon SpotOn or TrueData?

TrueData is rated higher. Nikon SpotOn averages 2.1 out of 5 from 380 ratings, while TrueData averages 5.0 from 12 ratings.

### Do Nikon SpotOn or TrueData have ads?

Neither Nikon SpotOn nor TrueData shows ads.

### Which is updated more often, Nikon SpotOn or TrueData?

Nikon SpotOn ships an update every 6 months, and TrueData every 4 weeks. Most recently, Nikon SpotOn was updated on November 1, 2026 and TrueData on November 5, 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.*