# RLM vs ShrinkApp

The clearest difference is ads: RLM at none against ShrinkApp's shown. ShrinkApp's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. RLM sells 1 one-off in-app purchase and ShrinkApp sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

RLM ships an update every 3 weeks, ShrinkApp every 5 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | RLM | ShrinkApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rlm-flight/id6448285133/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free | — |
| Size | 6 MB | 91 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [R.L.M. Software](https://appshunter.io/developer/289639238) | [Muhammad Muzammil Muhammad Farhad](https://appshunter.io/developer/1863618979) |

## What reviewers say

### RLM

[App page](https://appshunter.io/ios/app/rlm-flight/id6448285133)

This aviation computer app offers a comprehensive suite of tools for pilots. It calculates various flight parameters, including altitude, airspeed, ground speed, wind components, and weight & balance. The app also features unit and currency conversions, making it a versatile utility for aviation professionals.

**Highlights:** Altitude & Cloud Base Calculations, Airspeed & Ground Speed Calculations, Wind Component & Correction Tools, Weight & Balance Calculations, Unit & Currency Conversion, Holding Pattern & Flight Plan Tools

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Full Access | $9.99 | one-time |


### ShrinkApp

[App page](https://appshunter.io/ios/app/shrinkapp-zip-and-compress/id6770503027)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $4.99 | per month |
| Annual Plan | $14.99 | per year |


## Frequently asked questions

### Is RLM free?

RLM is free to download, with in-app purchases available.

### Is ShrinkApp free?

ShrinkApp is free to download, with in-app purchases available.

### Do RLM or ShrinkApp have ads?

ShrinkApp shows ads; RLM does not.

### Which is updated more often, RLM or ShrinkApp?

RLM ships an update every 3 weeks, and ShrinkApp every 5 weeks. Most recently, RLM was updated on November 3, 2026 and ShrinkApp on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*