Comparison

dictionary.camera vs Airthings

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

Head to head
About

dictionary.camera

Instantly understand unfamiliar words while reading by pointing your camera at them. The app saves your looked-up words for easy review, helping you expand your vocabulary effortlessly. Enjoy a seamless reading experience without interruption.

Highlights
  • Camera-based word lookup
  • Instant definition display
  • Automatic search history
  • Vocabulary tracking
  • Seamless reading integration
Features
Read full description

Unlock the meaning of unfamiliar words with our new app - dictionary.camera Look up words as you are reading without taking your eyes off your favourite book. Do you get stuck on words while reading? Don’t just skip them! Simply switch to our app, point the camera at the unknown word and look up the meaning of it right then and there. The words will automatically be saved in your search history. Use it to keep track of the words you learn. Doesn’t it feel great knowing what that word actually means? Happy reading!

About

Airthings

Monitor and improve your home's air quality with smart devices and a connected app. Get insights into air quality trends, receive alerts for poor conditions, and control air purifiers remotely for a healthier living environment.

Highlights
  • Quick device setup
  • AirGlimpse™ color indicators
  • Detailed air quality graphs
  • Customizable device focuses
  • Remote air purifier control
  • 5-day pollen forecast
  • Air quality alerts and tips
Features
Read full description

Breathe better with Airthings! Smart air quality monitors & purifiers you can trust. Shift your state of being with Airthings. Our products can help you improve indoor air quality leading to better focus, calming of allergies, and enhancement of sleep while ensuring an overall more healthy home. It features: • Quick and easy device setup • AirGlimpse™: Color-coded indicators give you at-a-glance information about your air quality • Access to the detailed graphs to help you track and find trends over time • Set focuses for your devices - air quality data broken down into high engagement problems that you care about • Control your Renew air purifier from anywhere • 5-day pollen forecast for your location with actionable advice • Notifications inform you of poor air quality and suggest ways to improve it, fast • Tips for addressing common indoor air quality problems and how to make the most of your device • Recommendations on the best Airthings monitor for your needs • Subscribe to Air Reports - We’ll send you a monthly update which summarises all the sensor data for your location. This app supports all Airthings products. If you have questions about using the app or any of our monitors, please refer to the Airthings Help Center or contact support@airthings.com.

Screenshots

dictionary.camera2 screens
Airthings4 screens

Verdict

The call

The clearest difference is ratings volume: Airthings at 3K against dictionary.camera's 32. Airthings also leads on update cadence (every 2 weeks vs monthly). dictionary.camera's advantage is iOS requirement (13.0 vs 17.6). On price, rating, review sentiment and ads 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.3 for dictionary.camera against 4.4 for Airthings. That said, the two scores are not equally well evidenced: Airthings has 3K ratings behind it against 32, so its average is the more settled of the two. Written reviews are what separate them: 36% of dictionary.camera's written reviews are positive against 33% of Airthings's.

UpkeepUpdate frequency

dictionary.camera ships an update monthly, Airthings every 2 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard3 real differences · 7 level
dictionary.camera versus Airthings: the parameters behind the verdict, then further details
Parameterdictionary.cameraAirthings
PriceFreeFree
Rating4.3 (32 ratings)4.4 (3K ratings) — better
Positive reviews35.7% of reviews — better33.2% of reviews
Number of ratings323K — better
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better17.6
Further details — not scored
Size6 MB105 MB
Age rating4+4+
DeveloperX2 Mobile Development SRLAirthings ASA

Customer experience

dictionary.camera

All ratings31 ratings
Positive77.4%
Neutral9.7%
Negative12.9%
Written reviews14 reviews
Positive35.7%
Neutral21.4%
Negative42.9%

Airthings

All ratings3,024 ratings
Positive83.7%
Neutral3.4%
Negative12.9%
Written reviews467 reviews
Positive33.2%
Neutral9.0%
Negative57.8%

Bugs and requests

dictionary.camera

Not enough reviews yet to summarise bugs or requests.

Airthings

Reported bugs

6 issues
  • App crashes frequently
  • Unable to add new devices or accounts
  • Incorrect color coding and data display
  • Delayed or missing sensor data updates
  • Bluetooth connectivity issues
Show 1 more
  • Unexplained battery drain on devices

Requested features

6 requests
  • Add HomeKit integration
  • Allow custom thresholds and notifications
  • Improve data visualization and historical trending
  • Add more detailed information on air quality issues and remedies
  • Provide an iPad-optimized version of the app
Show 1 more
  • Improve syncing and connectivity reliability

In-app purchases

None

dictionary.camera

No in-app purchases

None

Airthings

No in-app purchases

Questions

Is dictionary.camera free?
dictionary.camera is free to download, with no in-app purchases.
Is Airthings free?
Airthings is free to download, with no in-app purchases.
Which has better reviews, dictionary.camera or Airthings?
Airthings is rated higher. dictionary.camera averages 4.3 out of 5 from 32 ratings, while Airthings averages 4.4 from 3K ratings.
Do dictionary.camera or Airthings have ads?
Neither dictionary.camera nor Airthings shows ads.
Which is updated more often, dictionary.camera or Airthings?
dictionary.camera ships an update monthly, and Airthings every 2 weeks. Most recently, dictionary.camera was updated on November 3, 2026 and Airthings on November 7, 2026.

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