Comparison

Flow vs Needle Search Builder

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

Head to head
About

Flow

This app helps you understand and manage your menstrual cycle. It provides accurate predictions for your period, fertility, and ovulation, along with tools to track PMS symptoms. Your health data is kept private and secure.

Highlights
  • Menstrual cycle tracking
  • Fertility and ovulation prediction
  • 6-month period calendar
  • Conception day discovery
  • PMS symptom management
  • Private and secure data
Features
Read full description

Take control of your menstrual health with our trusted menstrual cycle tracker. Monitor your cycle, fertility, and ovulation using smart tracking tools that learn your unique patterns. Get accurate predictions with a clear 6-month period calendar view, discover your best days for conception, and manage PMS symptoms effectively. Your data stays completely private and secure.

About

Needle Search Builder

This utility assists in crafting precise search queries when standard searches fall short. By answering targeted questions, it generates optimized search strings for platforms like Google, YouTube, and Reddit. It helps refine results by website, file type, date, and exclusions.

Highlights
  • Build precise search queries
  • Target specific websites
  • Search by file type
  • Filter by date range
  • Exclude unwanted terms
  • Search Reddit content
Read full description

Find better results faster with a guided search builder for Google, Bing, YouTube, Reddit, X, and TikTok. Tell Needle what you’re looking for. It turns your answers into a sharper search, shows the query taking shape as you go, and lets you copy it or open it on the selected platform. NO SEARCH-OPERATOR KNOWLEDGE REQUIRED Needle asks focused, plain-language questions and applies the useful details for you. Use Needle to: - Build focused searches for six popular platforms - Watch your query update as you add details - Keep phrases together or include alternate terms - Narrow web results by site, file type, or date - Exclude distracting words and websites - Search Reddit communities, people, titles, and post text - Find posts and people on X using account, hashtag, date, and media filters - Combine TikTok topics and hashtags - Copy your completed query or open it on the selected platform PRIVATE BY DESIGN Needle builds your query on your device. It does not require a Needle account, use AI services, show ads, or collect your search history. When you choose Open, iOS sends the search URL to the selected platform. NEEDLE PRO Needle includes five free search builds. Needle Pro unlocks unlimited search building with a monthly subscription. Payment is charged to your Apple Account. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription in Settings under Subscriptions. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://mangrove-tools.github.io/needle-app-site/privacy.html

Screenshots

Flow4 screens
Needle Search Builder4 screens

Verdict

The call

The clearest difference is price: Needle Search Builder at Free against Flow's $9.99. Needle Search Builder also leads on rating (5.0 vs 4.0). Flow's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 17.0). On ratings volume, update cadence, ads and device support 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

Needle Search Builder is free to download; Flow costs $9.99 up front. Needle Search Builder sells 1 in-app purchase, starting at $0.99 per month. Flow asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Needle Search Builder holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 5 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

Scorecard5 real differences · 5 level
Flow versus Needle Search Builder: the parameters behind the verdict, then further details
ParameterFlowNeedle Search Builder
Price$9.99Free — better
Rating4.0 (4 ratings)5.0 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings45 — better
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size28 MB1 MB
Age rating17+4+
DeveloperChowdhury Sabir MorshedKyle Lawlor

Customer experience

Flow

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%

Needle Search Builder

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Flow

No in-app purchases

1 purchases

Needle Search Builder

Subscriptions1
  • Needle Pro Monthly$0.991 Month

Questions

Is Flow free?
Flow costs $9.99, with no in-app purchases.
Is Needle Search Builder free?
Needle Search Builder is free to download, with in-app purchases available.
Which has better reviews, Flow or Needle Search Builder?
Needle Search Builder is rated higher. Flow averages 4.0 out of 5 from 4 ratings, while Needle Search Builder averages 5.0 from 5 ratings.
Do Flow or Needle Search Builder have ads?
Neither Flow nor Needle Search Builder shows ads.
Which is updated more often, Flow or Needle Search Builder?
Flow ships an update weekly, and Needle Search Builder weekly. Most recently, Flow was updated on October 30, 2026 and Needle Search Builder on October 29, 2026.

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