# On Instruments vs Aerofly FS Global

The clearest difference is in-app purchases: On Instruments at none against Aerofly FS Global's 21. On Instruments also leads on price ($2.99 vs $3.99) and iOS requirement (8.0 vs 15.6). Aerofly FS Global's advantage is update cadence (monthly vs every 8 months) and ratings volume (1.2K vs 9). On rating, review sentiment, ads and device support there is nothing between them.

On Instruments costs $2.99 and Aerofly FS Global $3.99 up front. Aerofly FS Global sells 19 in-app purchases, starting at $4.99 per month. On Instruments asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for On Instruments against 4.3 for Aerofly FS Global. That said, the two scores are not equally well evidenced: Aerofly FS Global has 1.2K ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 75% of On Instruments's written reviews are positive against 80% of Aerofly FS Global's.

On Instruments ships an update every 8 months, Aerofly FS Global monthly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | On Instruments | Aerofly FS Global |
| --- | --- | --- |
| Price | **$2.99** | $3.99 |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/on-instruments/id907222098/reviews)** | [4.3 (1.2K ratings)](https://appshunter.io/ios/app/aerofly-fs-global/id6473001577/reviews) |
| Number of ratings | 9 | **1.2K** |
| Positive reviews | 75.0% of reviews | **79.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | — | **#7** |
| Size | 13 MB | 3.2 GB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aircraft Training Aids, LLC](https://appshunter.io/developer/692999325) | [IPACS](https://appshunter.io/developer/496301722) |

## What reviewers say

### On Instruments

[App page](https://appshunter.io/ios/app/on-instruments/id907222098)

Hone your instrument flying skills with this simulator. Navigate various courses by precisely managing heading, altitude, and airspeed. Features multiple difficulty levels, including courses with instrument failures.

**Highlights:** Instrument scanning practice, Multiple course difficulties, Heading, altitude, airspeed control, Attitude Indicator failure simulation, Score maximization

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

**In-app purchases:** none


### Aerofly FS Global

[App page](https://appshunter.io/ios/app/aerofly-fs-global/id6473001577)

**Currently charting:** #7 Top Paid · Racing, #53 Top Paid · Simulation, #56 Top Grossing · Racing, #140 Top Paid · Games (US App Store)

Experience a sophisticated flight simulator with detailed aircraft and interactive cockpits. Explore photorealistic landscapes and fly various aircraft types, from airliners to jets. Offers global scenery streaming and advanced simulation features for an immersive experience.

**Highlights:** Detailed aircraft models, Interactive 3D cockpits, Realistic flight physics, Global scenery streaming, Customizable weather and time of day, Instant replay and crash recovery

**Features:** Game Controller support, Family Sharing

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Global scenery - 1 month | $4.99 | per month |
| Global scenery - 3 months | $7.99 | per 3 months |
| Global scenery - 12 months | $19.99 | per year |
| CRJ900 | $0.99 | one-time |
| UH-60 | $0.99 | one-time |
| Robin DR400 | $0.99 | one-time |
| Airbus A321 | $1.99 | one-time |
| Concorde | $1.99 | one-time |
| Boeing 787-10 | $1.99 | one-time |
| Boeing 737-900 | $1.99 | one-time |
| Airbus A380 | $1.99 | one-time |
| Boeing 777-300ER | $1.99 | one-time |
| Boeing 747-400 | $1.99 | one-time |
| Boeing 737 MAX 9 | $1.99 | one-time |
| Boeing 777F | $1.99 | one-time |
| Airbus A319 | $1.99 | one-time |
| Airbus A350-1000 | $3.99 | one-time |
| Airbus A321 XLR | $3.99 | one-time |
| The Aircraft Bundle | $24.99 | one-time |

**What reviewers like**

- 🚀 Great graphics and details
- 👍 Highly realistic and immersive
- 🤩 Best mobile flight sim
- 💰 Affordable pricing

**What reviewers complain about**

- 🐛 Frequent crashes and stability issues
- 🌍 Lacking detailed scenery in some regions
- 💰 Expensive for full experience
- 🤔 Confusing UI and controls

**Reported bugs**

- Crashes when loading certain airports
- Global scenery not working as expected
- Planes disappearing or not loading correctly
- Pushback and taxi issues

**Requested features**

- More aircraft variety (Airbus, regional jets, etc.)
- Dynamic weather (rain, snow, storms)
- Live ATC and air traffic
- Improved camera options and free camera
- Fuel management and weight/balance options


## Frequently asked questions

### Is On Instruments free?

On Instruments costs $2.99, with no in-app purchases.

### Is Aerofly FS Global free?

Aerofly FS Global costs $3.99, and also offers in-app purchases.

### Which has better reviews, On Instruments or Aerofly FS Global?

On Instruments is rated higher. On Instruments averages 4.4 out of 5 from 9 ratings, while Aerofly FS Global averages 4.3 from 1.2K ratings.

### Do On Instruments or Aerofly FS Global have ads?

Neither On Instruments nor Aerofly FS Global shows ads.

### Which is updated more often, On Instruments or Aerofly FS Global?

On Instruments ships an update every 8 months, and Aerofly FS Global monthly. Most recently, On Instruments was updated on October 24, 2026 and Aerofly FS Global on October 27, 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.*