# C172M vs HSI + ILS Trainer

The clearest difference is rating: HSI + ILS Trainer at 5.0 against C172M's 3.0. HSI + ILS Trainer also leads on review sentiment (100% vs 67%) and price ($9.99 vs $13.99). C172M's advantage is iOS requirement (14.0 vs 18.6). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

C172M costs $13.99 and HSI + ILS Trainer $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HSI + ILS Trainer holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 67% of C172M's written reviews are positive against 100% of HSI + ILS Trainer's.

C172M ships an update every 7 months, HSI + ILS Trainer every 3 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | C172M | HSI + ILS Trainer |
| --- | --- | --- |
| Price | $13.99 | **$9.99** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/c172m/id596045714/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hsi-plus-ils-trainer-ifr-pilot/id847496712/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 27 MB | 151 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Gyronimo, LLC](https://appshunter.io/developer/536898885) | [Flygo-Aviation Ltd](https://appshunter.io/developer/550770776) |

## What reviewers say

### C172M

[App page](https://appshunter.io/ios/app/c172m/id596045714)

This app calculates mass, balance, and performance data for the Cessna 172M aircraft using actual Pilot's Operating Handbook values. It helps pilots plan flights quickly by determining optimal cruise altitudes, takeoff and landing distances, climb data, and stall speeds.

**Highlights:** Mass & Balance calculations, Takeoff and Landing performance, Climb data calculation, Optimal cruise altitude determination, Stall speed calculation, Save and load aircraft settings, Email load manifest

**In-app purchases:** none


### HSI + ILS Trainer

[App page](https://appshunter.io/ios/app/hsi-plus-ils-trainer-ifr-pilot/id847496712)

Master core radio-navigation skills for instrument flight training. This app offers interactive lessons and practice drills for HSI and ILS interpretation, intercepts, and tracking. It includes a built-in HSI simulator for briefings and classroom use, designed with flight instructors.

**Highlights:** HSI interpretation and course setting, ILS localizer and glideslope tracking, Intercept and correction practice, Interactive lessons for quick learning, IFR drills and scenarios, Built-in HSI simulator

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is C172M free?

C172M costs $13.99, with no in-app purchases.

### Is HSI + ILS Trainer free?

HSI + ILS Trainer costs $9.99, with no in-app purchases.

### Which has better reviews, C172M or HSI + ILS Trainer?

HSI + ILS Trainer is rated higher. C172M averages 3.0 out of 5 from 2 ratings, while HSI + ILS Trainer averages 5.0 from 1 ratings.

### Do C172M or HSI + ILS Trainer have ads?

Neither C172M nor HSI + ILS Trainer shows ads.

### Which is updated more often, C172M or HSI + ILS Trainer?

C172M ships an update every 7 months, and HSI + ILS Trainer every 3 months. Most recently, C172M was updated on November 1, 2026 and HSI + ILS Trainer on November 1, 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.*