# perli$ vs DEC Opcodes

The clearest difference is price: DEC Opcodes at Free against perli$'s $2.99. DEC Opcodes also leads on update cadence (every 8 days vs every 19 months). perli$'s advantage is in-app purchases (none vs 1) and device support (4 vs 2). On rating, ratings volume and ads there is nothing between them.

DEC Opcodes is free to download; perli$ costs $2.99 up front. DEC Opcodes sells 1 one-off in-app purchase. perli$ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for perli$ against 5.0 for DEC Opcodes. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

perli$ ships an update every 19 months, DEC Opcodes every 8 days. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | perli$ | DEC Opcodes |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/perli/id1111072459/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/dec-opcodes/id6760246055/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 8 days** |
| Monetization | Paid | **Free** |
| Size | 78 MB | 42 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [小文 黄](https://appshunter.io/developer/490328393) | [John Kennedy](https://appshunter.io/developer/284943103) |

## What reviewers say

### perli$

[App page](https://appshunter.io/ios/app/perli/id1111072459)

Learn, run, and share Perl 5.22 scripts on iOS. Features include autocompletion, code coloring, a built-in browser for learning materials, and file system support for various document types. Customize your learning environment with background options and animations.

**Highlights:** Learn, run, and share Perl 5.22 scripts, Autocompletion and auto-indentation, Code coloring and templates, Built-in browser for learning materials, File system support for various document types, Customizable learning environment, Generate and share QR codes for scripts

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### DEC Opcodes

[App page](https://appshunter.io/ios/app/dec-opcodes/id6760246055)

Explore the instruction sets of legendary DEC computers like the PDP and VAX. This app provides detailed information on each instruction, historical context, and interactive lessons. Discover the machines that shaped modern computing.

**Highlights:** Instruction set reference, Historical context and photos, System specifications, Interactive assembly lessons, Search and filtering, Customizable themes, Simple assembler

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me a Coffee | $0.99 | one-time |


## Frequently asked questions

### Is perli$ free?

perli$ costs $2.99, with no in-app purchases.

### Is DEC Opcodes free?

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

### Which has better reviews, perli$ or DEC Opcodes?

perli$ and DEC Opcodes are both rated 5.0 out of 5 on the App Store, from 3 and 3 ratings respectively.

### Do perli$ or DEC Opcodes have ads?

Neither perli$ nor DEC Opcodes shows ads.

### Which is updated more often, perli$ or DEC Opcodes?

perli$ ships an update every 19 months, and DEC Opcodes every 8 days. Most recently, perli$ was updated on October 24, 2026 and DEC Opcodes on October 7, 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.*