# a vs Resolutioner

The clearest difference is price: a at Free against Resolutioner's $0.99. a also leads on in-app purchases (none vs 5) and update cadence (monthly vs every 33 months). Resolutioner's advantage is chart position (#2 vs #18). On rating, review sentiment, ratings volume and ads there is nothing between them.

a is free to download; Resolutioner costs $0.99 up front. Resolutioner sells 5 one-off in-app purchases. a asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for a against 4.5 for Resolutioner. Both are backed by a comparable volume of ratings — 553 and 946 respectively. Written reviews are what separate them: 78% of a's written reviews are positive against 80% of Resolutioner's.

a ships an update monthly, Resolutioner every 33 months. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | a | Resolutioner |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (553 ratings)](https://appshunter.io/ios/app/a-shell/id1473805438/reviews)** | [4.5 (946 ratings)](https://appshunter.io/ios/app/resolutioner/id1563852783/reviews) |
| Number of ratings | 553 | **946** |
| Positive reviews | 78.3% of reviews | **79.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 33 months |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | #18 | **#2** |
| Size | 1.9 GB | 40 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 17+ | 4+ |
| Developer | [Nicolas Holzschuch](https://appshunter.io/developer/1450994948) | [Sun Apps, LLC](https://appshunter.io/developer/1465505382) |

## What reviewers say

### a

[App page](https://appshunter.io/ios/app/a-shell/id1473805438)

**Currently charting:** #18 Top Free · Developer Tools (US App Store)

Run a full Unix-like terminal environment on your iOS device. Execute a wide range of commands, edit files, and even program using included interpreters and compilers. Supports multitasking and integration with Shortcuts.

**Highlights:** Local Unix terminal emulator, SSH client, File transfer (scp, curl), Text editing (vim, ed), Scripting languages (Python, Lua, Perl, JS), C/C++ compiler, TeX distribution

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Powerful terminal with Linux commands
- 👍 Useful for programming and development
- 🔒 Secure and reliable
- 💡 Impressive capabilities for an iOS app
- 👍 Helpful documentation and developer support

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 🔍 Limited customization options
- 🔍 Missing some basic terminal features
- 🔍 Compatibility issues with certain packages

**Reported bugs**

- Toolbar buttons not accessible in portrait mode on some devices
- Pasting from clipboard can insert unexpected characters
- Sourcing certain script files causes crashes

**Requested features**

- Add support for package managers like Homebrew or APT
- Implement more advanced shell features like job control and better tab completion
- Integrate Git for version control
- Allow installing additional packages and libraries
- Improve clipboard and file management integration


### Resolutioner

[App page](https://appshunter.io/ios/app/resolutioner/id1563852783)

**Currently charting:** #2 Top Paid · Developer Tools, #145 Top Grossing · Developer Tools (US App Store)

This utility app helps you calculate and scale screen resolutions based on aspect ratios. Save and manage your frequently used resolutions for easy access. Sync your presets across Apple devices.

**Highlights:** Calculate resolutions by filling in one side, Edit aspect ratios easily, Scale resolutions up or down, Save and name custom resolution presets, Edit saved presets, Sync presets via iCloud

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip Jar - $0.99 | $0.99 | one-time |
| Tip Jar - $1.99 | $1.99 | one-time |
| Tip Jar - $2.99 | $2.99 | one-time |
| Tip Jar - $4.99 | $4.99 | one-time |
| Tip Jar - $9.99 | $9.99 | one-time |

**What reviewers like**

- 👍 Very good app
- 👍 Excellent for calculations
- 👍 Useful for graphic designers
- 👍 Works offline
- 👍 Good for Free Fire

**What reviewers complain about**

- 🐛 Resolution not changing
- 🐛 App doesn't work
- 🐛 Buggy and bad
- 🐛 Cannot submit resolution
- 🐛 Screen size remains the same

**Reported bugs**

- Resolution does not change
- App does not work
- Screen size remains the same
- App is buggy
- Cannot submit resolution

**Requested features**

- Add sync to device option
- Add button to improve/submit resolution
- Allow reordering of presets for better organization
- Ability to use created scales in computer settings


## Frequently asked questions

### Is a free?

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

### Is Resolutioner free?

Resolutioner costs $0.99, and also offers in-app purchases.

### Which has better reviews, a or Resolutioner?

a is rated higher. a averages 4.6 out of 5 from 553 ratings, while Resolutioner averages 4.5 from 946 ratings.

### Do a or Resolutioner have ads?

Neither a nor Resolutioner shows ads.

### Which is updated more often, a or Resolutioner?

a ships an update monthly, and Resolutioner every 33 months. Most recently, a was updated on October 12, 2026 and Resolutioner on October 10, 2026.

### Which is more popular, a or Resolutioner?

a currently peaks at #18 in the App Store charts, and Resolutioner at #2. Chart position reflects recent download velocity rather than total install base.

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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.*