Comparison

Metrify vs BrainBoost

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

Head to head
About

Metrify

Effortlessly convert between imperial and metric units, and currencies, with this clean and fast utility. Ideal for everyday tasks like cooking, shopping, and travel, it simplifies comparisons and calculations.

Highlights
  • Imperial to metric conversion
  • Currency conversion
  • Price comparison
  • Supports cooking, shopping, travel
  • Distraction-free design
Features
Read full description

Metrify makes conversions effortless. Perfect for anyone in the US tired of Fahrenheit, miles, pounds, and tablespoons. Quickly switch to Celsius, kilometers, grams, or milliliters — just by typing them in. Why Metrify? - Convert imperial ↔ metric instantly - Works with everyday things: cooking, shopping, driving, traveling - Compare prices easily (gas, groceries, real estate) - Currency conversions + unit conversions in one app - Clean, fast, distraction-free design Stop struggling with conversions — let Metrify do the math. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

BrainBoost

This AI chatbot leverages GPT-3 to provide business insights and answers across various tech and finance fields. It helps generate ideas, improve customer service, and offer product recommendations, all powered by advanced natural language processing.

Highlights
  • AI-powered business chatbot
  • GPT-3 integration
  • Idea generation
  • Customer service automation
  • Product recommendations
  • Business insights
Read full description

BrainBoost will amaze you. Unlock the Power of AI with our AI chatbot for Business. Get new ideas and answers faster than ever. The quality of the answers depend on the quality of your questions. Please take the opportunity and be smart with the questions. BrainBoost is customised to provide very good answers into the field of augmented reality, big data, internet of things, apps development, cloud computing, cryptocurrency, marketing, Human Resources and finances. BrainBoost provide a cost-effective and efficient way to answer customer questions and provide ideas. BrainBoost is powered by artificial intelligence and natural language processing, it understand customer queries and provide accurate responses. BrainBoost can be used to provide customer service, answer frequently asked questions, and provide product recommendations. BrainBoost can also be used to provide ideas and suggestions. They can be programmed to recognize customer needs and provide ideas and suggestions that can help customers achieve their goals. BrainBoost can also be used to provide feedback and insights. BrainBoost can be programmed to recognize customer feedback and provide insights that can help businesses improve their products and services. This description has been created with Brainboost. Download it now!

Screenshots

Metrify4 screens
BrainBoost3 screens

Verdict

The call

The clearest difference is review sentiment: BrainBoost at 100% against Metrify's 0%. BrainBoost also leads on rating (5.0 vs 3.9) and ads (none vs shown). Metrify's advantage is ratings volume (7 vs 2). On price, update cadence, in-app purchases and monetization model 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. Metrify sells 3 in-app purchases, starting at $0.99 per month and BrainBoost sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

BrainBoost holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 0% of Metrify's written reviews are positive against 100% of BrainBoost's.

UpkeepUpdate frequency

Metrify ships an update every 9 days, BrainBoost every 2 weeks. The most recent releases landed on November 13, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Metrify versus BrainBoost: the parameters behind the verdict, then further details
ParameterMetrifyBrainBoost
PriceFreeFree
Rating3.9 (7 ratings)5.0 (2 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings7 — better2
Update frequencyEvery 9 days — betterEvery 2 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.615.0 — better
Further details — not scored
Size8 MB17 MB
Age rating4+4+
DeveloperTsuyoshi NiwaJorge Gregorio Martin Bello

Customer experience

Metrify

All ratings7 ratings
Positive71.4%
Neutral14.3%
Negative14.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

BrainBoost

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Metrify

Subscriptions2
  • Monthly Subscription1 Month trial$0.991 Month
  • Yearly Subscription$9.991 Year
One-time1
  • Lifetime Pro$39.99
4 purchases

BrainBoost

One-time4
  • 4 Credits$2.99
  • 20 Credits$9.99
  • 40 Credits$19.99
Show 1 more
  • 100 Credits$39.99

Questions

Is Metrify free?
Metrify is free to download, with in-app purchases available.
Is BrainBoost free?
BrainBoost is free to download, with in-app purchases available.
Which has better reviews, Metrify or BrainBoost?
BrainBoost is rated higher. Metrify averages 3.9 out of 5 from 7 ratings, while BrainBoost averages 5.0 from 2 ratings.
Do Metrify or BrainBoost have ads?
Metrify shows ads; BrainBoost does not.
Which is updated more often, Metrify or BrainBoost?
Metrify ships an update every 9 days, and BrainBoost every 2 weeks. Most recently, Metrify was updated on November 13, 2026 and BrainBoost on November 3, 2026.

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