# CodersKey vs FieldStack

The clearest difference is price: FieldStack at Free against CodersKey's $1.99. FieldStack also leads on update cadence (every 8 days vs every 3 months). CodersKey's advantage is chart position (#187 vs unranked) and iOS requirement (18.5 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

FieldStack is free to download; CodersKey costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CodersKey ships an update every 3 months, FieldStack every 8 days. The most recent releases landed on September 22, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | CodersKey | FieldStack |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Best chart rank | **#187** | — |
| Size | 6 MB | 10 MB |
| Requires iOS | **18.5** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yuang Chen](https://appshunter.io/developer/1807350090) | [Dylan Russell](https://appshunter.io/developer/1869725372) |

## What reviewers say

### CodersKey

[App page](https://appshunter.io/ios/app/coderskey/id6752114477)

**Currently charting:** #187 Top Paid · Productivity (US App Store)

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

**In-app purchases:** none


### FieldStack

[App page](https://appshunter.io/ios/app/fieldstack/id6792173715)

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

**In-app purchases:** none


## Frequently asked questions

### Is CodersKey free?

CodersKey costs $1.99, with no in-app purchases.

### Is FieldStack free?

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

### Do CodersKey or FieldStack have ads?

Neither CodersKey nor FieldStack shows ads.

### Which is updated more often, CodersKey or FieldStack?

CodersKey ships an update every 3 months, and FieldStack every 8 days. Most recently, CodersKey was updated on September 22, 2026 and FieldStack on September 16, 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.*