Comparison

Brook.app vs Plain Flags

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

Head to head
About

Brook.app

This cross-platform network tool requires server deployment. A paid subscription offers enhanced features to support ongoing development and project continuity.

Highlights
  • Cross-platform network tool
  • Client-server software
  • Server deployment required
  • Paid subscription for advanced features
  • Supports project continuity
Features
Read full description

Brook - Brook is a cross-platform network tool - Brook is client-server software, you need to deploy the server: https://github.com/txthinking/brook Brook Plus - Brook Plus is a paid option that allows paying users access to more generous features, allowing us to continue to sustain the continuity of this project. - Payment will be charged to iTunes Account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal - You can manage subscription in App Store Setting. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Standard Apple Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service: https://www.txthinking.com/terms.html Privacy Policy: https://www.txthinking.com/privacy.html About Brook Plus - Even with the free version of Brook, normal use is possible - Brook Plus is a paid option that allows paying users access to more generous features, allowing us to continue to sustain the continuity of this project

About

Plain Flags

Features
Read full description

For software developers. Dashboard app for Plain Flags free feature flag self hosted system. Plain Flags lets you turn features of your software on and off in production. Connect to your back end installation and start safely delivering to your users!

Screenshots

Brook.app4 screens
Plain Flags4 screens

Verdict

The call

The clearest difference is in-app purchases: Plain Flags at none against Brook.app's 2. Brook.app's advantage is update cadence (every 6 weeks vs every 5 months) and chart position (#80 vs unranked). On price, ads, device support 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

Both are free to download. Brook.app sells 2 in-app purchases, starting at $1.99 per month. Plain Flags asks for nothing beyond the download.

UpkeepUpdate frequency

Brook.app ships an update every 6 weeks, Plain Flags every 5 months. The most recent releases landed on September 29, 2026 and September 18, 2026 respectively.

Scorecard3 real differences · 8 level
Brook.app versus Plain Flags: the parameters behind the verdict, then further details
ParameterBrook.appPlain Flags
PriceFreeFree
Rating4.3 (177 ratings) — better—
Positive reviews83.7% of reviews—
Number of ratings177 — better—
Update frequencyEvery 6 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
Best chart rank#80 — better—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size67 MB22 MB
Age rating17+4+
DeveloperTxThinking, Inc.Andrei Leonte

Bugs and requests

Brook.app

Reported bugs

10 issues
  • Frequent unexpected disconnections
  • VPN process killed in background
  • iOS 12.1 connection failures
  • Connection button shows connected but not actually connected
  • App crashes without warning
Show 5 more
  • Incompatibility with iOS versions below 10
  • Whitelist mode auto-disconnect issues
  • Push notifications not received while connected
  • Safari works but Instagram/YouTube don't
  • Slow performance after recent updates

Requested features

9 requests
  • Server naming and alias functionality
  • Auto-connect feature
  • Global proxy toggle button
  • Mac application version
  • VPN support
Show 4 more
  • Background App Refresh support
  • iOS 9 support
  • Improved whitelist mode stability
  • Better app-specific proxy support

Plain Flags

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Brook.app

Subscriptions2
  • Brook Plus$1.991 Month
  • Brook Plus$49.991 Year
None

Plain Flags

No in-app purchases

Questions

Is Brook.app free?
Brook.app is free to download, with in-app purchases available.
Is Plain Flags free?
Plain Flags is free to download, with no in-app purchases.
Do Brook.app or Plain Flags have ads?
Neither Brook.app nor Plain Flags shows ads.
Which is updated more often, Brook.app or Plain Flags?
Brook.app ships an update every 6 weeks, and Plain Flags every 5 months. Most recently, Brook.app was updated on September 29, 2026 and Plain Flags on September 18, 2026.

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