# 123\Tune+ vs Numera Calculator

123\Tune+ and Numera Calculator are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | 123\Tune+ | Numera Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (242 ratings)](https://appshunter.io/ios/app/123tune-plus/id890882601/reviews)** | — |
| Number of ratings | **242** | — |
| Positive reviews | 57.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 209 MB | 2 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Albertronic B.V.](https://appshunter.io/developer/890882604) | [OLUWASEUN OLADAPO OGUNSEITAN](https://appshunter.io/developer/6803307233) |

## What reviewers say

### 123\Tune+

[App page](https://appshunter.io/ios/app/123tune-plus/id890882601)

Control your classic car's ignition wirelessly via Bluetooth. Adjust advance and vacuum curves, monitor real-time engine data, and utilize features like a PIN-code immobilizer and rev limiter. Compatible with a wide range of classic vehicles.

**Highlights:** Wireless ignition curve adjustment, Real-time engine data monitoring, PIN-code immobilizer, Soft rev limiter, Tune mode for timing tests, MAP/boost sensor support

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

**In-app purchases:** none


### Numera Calculator

[App page](https://appshunter.io/ios/app/numera-calculator/id6803307231)

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

**In-app purchases:** none


## Frequently asked questions

### Is 123\Tune+ free?

123\Tune+ is free to download, with no in-app purchases.

### Is Numera Calculator free?

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

### Do 123\Tune+ or Numera Calculator have ads?

Neither 123\Tune+ nor Numera Calculator shows ads.

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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.*