Comparison

Rest vs Scarlet

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Rest

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
Read full description

Rest allows you to perform arbitrary HTTP requests right from your mobile device. • Supports JSON, Form & Multipart bodies • Body editor with syntax highlighting and JSON error reporting • All common HTTP methods + custom Methods • Add HTTP Headers, URL parameters and Basic Authentication • Option to allow insecure SSL & follow redirects • Response body, header and metrics inspection • Multiple response body views (JSON, text, image, web) • Import Postman collections from Files or URL • Add project-wide variables in URL, Headers and request body • CloudKit sync • Dark mode and alternative app icon • Split-Screen to see the request and response views simultaneously on iPad and larger iPhones (starting from iPhone X)

About

Scarlet

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
Read full description

Let's face it, there are a lot of developers who like the idea of an issue tracker, but find it too much effort to use & maintain for solo, indie or hobby projects. Enter Scarlet. Scarlet is a personal issue tracker that saves to a file that you can include in your project directory, or anywhere you prefer. No accounts, no cloud services, no syncing, no third-party integration. Just a simple place to file away your project's to-dos and close them when they're complete. Add tags to an issue to help organize things, and that's it — it really couldn't be simpler.

Screenshots

Rest4 screens
Scarlet2 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 4 level
Rest versus Scarlet: the parameters behind the verdict, then further details
ParameterRestScarlet
PriceFree — better$2.99
Rating4.4 (95 ratings)4.5 (294 ratings) — better
Positive reviews65.0% of reviews92.5% of reviews — better
Number of ratings95294 — better
Update frequencyEvery 2 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree — better
Best chart rank—#16 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac, Vision Pro — better
Requires iOS14.014.0
Further details — not scored
Size6 MB3 MB
Age rating4+4+
DeveloperSilvan DaehnSteven Troughton-Smith

Customer experience

Rest

All ratings95 ratings
Positive84.2%
Neutral4.2%
Negative11.6%
Written reviews80 reviews
Positive65.0%
Neutral10.0%
Negative25.0%

Scarlet

All ratings294 ratings
Positive85.4%
Neutral3.7%
Negative10.9%
Written reviews53 reviews
Positive92.5%
Neutral0.0%
Negative7.5%

Bugs and requests

Rest

Not enough reviews yet to summarise bugs or requests.

Scarlet

Reported bugs

4 issues
  • 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

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

In-app purchases

1 purchases

Rest

One-time1
  • Unlock All Features$4.99
1 purchases

Scarlet

One-time1
  • Scarlet (Full Unlock)$3.99

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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