# Rest vs Scarlet

The clearest difference is price: Rest at Free against Scarlet's $2.99. Rest also leads on update cadence (every 2 weeks vs every 3 months). Scarlet's advantage is review sentiment (92% vs 65%) and chart position (#16 vs unranked). On rating, ads, in-app purchases and iOS requirement there is nothing between them.

Rest is free to download; Scarlet costs $2.99 up front. Rest sells 1 one-off in-app purchase and Scarlet sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for Rest against 4.5 for Scarlet. Both are backed by a comparable volume of ratings — 95 and 294 respectively. Written reviews are what separate them: 65% of Rest's written reviews are positive against 92% of Scarlet's.

Rest ships an update every 2 weeks, Scarlet every 3 months. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Rest | Scarlet |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.4 (95 ratings)](https://appshunter.io/ios/app/rest-http-api-client/id1318172341/reviews) | **[4.5 (294 ratings)](https://appshunter.io/ios/app/scarlet/id1532669250/reviews)** |
| Number of ratings | 95 | **294** |
| Positive reviews | 65.0% of reviews | **92.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#16** |
| Size | 6 MB | 3 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Silvan Daehn](https://appshunter.io/developer/1318172340) | [Steven Troughton-Smith](https://appshunter.io/developer/286133549) |

## What reviewers say

### Rest

[App page](https://appshunter.io/ios/app/rest-http-api-client/id1318172341)

Easily perform HTTP requests directly from your mobile device. Supports various body types, syntax highlighting, and detailed response inspection. Import collections and manage project variables for efficient API testing.

**Highlights:** Supports JSON, Form & Multipart bodies, Syntax highlighting and JSON error reporting, All common and custom HTTP methods, Add HTTP Headers and URL parameters, Response body, header, and metrics inspection, Multiple response body views, Import Postman collections

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $4.99 | one-time |


### Scarlet

[App page](https://appshunter.io/ios/app/scarlet/id1532669250)

**Currently charting:** #16 Top Paid · Developer Tools, #166 Top Grossing · Developer Tools (US App Store)

A personal issue tracker designed for solo developers and hobby projects. It saves data locally to a file, eliminating the need for accounts, cloud services, or syncing. Easily manage and close project tasks with simple tagging for organization.

**Highlights:** Personal issue tracker, Local file saving, No accounts or cloud services, Simple task management, Tagging for organization

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scarlet (Full Unlock) | $3.99 | one-time |

**What reviewers like**

- 👍 Easy to set up and use
- 💾 Simple JSON-based data storage
- 🎯 Straightforward bug tracking functionality

**What reviewers complain about**

- 🐛 Critical data loss issues
- ❌ Fails to save added items
- 🚫 Limited app functionality
- ⚠️ Unreliable file persistence

**Reported bugs**

- Data loss when browsing issues
- Added items not saved after closing and reopening
- Only original items persist after multiple sessions
- Permanent data loss during normal usage

**Requested features**

- Auto-open last used file on startup
- Support for popular apps and mods installation


## Frequently asked questions

### Is Rest free?

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

### Is Scarlet free?

Scarlet costs $2.99, and also offers in-app purchases.

### Which has better reviews, Rest or Scarlet?

Scarlet is rated higher. Rest averages 4.4 out of 5 from 95 ratings, while Scarlet averages 4.5 from 294 ratings.

### Do Rest or Scarlet have ads?

Neither Rest nor Scarlet shows ads.

### Which is updated more often, Rest or Scarlet?

Rest ships an update every 2 weeks, and Scarlet every 3 months. Most recently, Rest was updated on September 21, 2026 and Scarlet on September 23, 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.*