Comparison

Eye'sTest vs PairMirror

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

Head to head
About

Eye'sTest

Features
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[Features] -Without having to remember the pattern would change the orientation of C, so every time, you can test as many times as β€’ In order that corresponds to the high-definition display, 4S iPhone4, you can check visual acuity up to 2.0 (will also work with models such as the iPhone3GS) Β· Up to 0.09 from 0.01 to 0.01 you can check each stage β€’ If the distance to 20cm from screen, can be measured from 0.02 to 0.4 β€’ If the distance to 30cm from screen, can be measured up to 0.6 from 0.03 β€’ If the distance to 40cm from screen, can be measured up to 0.8 from 0.02 β€’ If the distance to 50cm from screen, can be measured up to 1.0 from 0.02 β€’ If the distance to 60cm from screen, can be measured up to 1.2 from 0.02 β€’ If the distance to 70cm from screen, can be measured up to 1.4 from 0.02 β€’ If the distance to 80cm from screen, can be measured up to 1.6 from 0.02 β€’ If the distance to 90cm from screen, can be measured up to 1.8 from 0.02 β€’ If the distance to 100cm from screen, can be measured up to 1.8 from 0.02 β€’ You have to be viewed based on the standard formula of Mr. Landolt ring as far as possible international standard [How] (Up to 100cm from 10cm) to set the position up to the iPhone's screen from the eyes When you launch the app β€’ Only after you tap the buttons on the key direction is "C" to close one eye is not closed! [Note] β€’ You can use health as a result of a formal diagnostic test results in this application program can not be β€’ If you feel sick or in use, unwell, please discontinue use immediately

About

PairMirror

Features
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Please note: In iOS 9 and later, Bluetooth connection can not be made. Please connect in the same Wifi environment. A mirror set against each other is made with iPhone, iPad, or iPhone and iPhone. - The check of a hairstyle or a profile!Β  - Turn on the flashlight on iPhone and check the dark place on the reverse side of a wardrobe!Β  Of course, iPhone or iPad can be used only by one piece. 【How to make a pair mirror】 1. Wi-Fi is turned ON by a set of the iPhone or iPad. 2. Start each app and tap "connection". 3. After a while, the image of another iPhone is reflected in iPad (iPhone). 【Usage】 - iPad and iPhone -> The image of iPhone is reflected to the iPad. - iPhone and iPhone -> The image of iPhone is refrected to the other iPhone. - It will become a "!freeze frame", if the tap of the each screen. - Since there is much data volume of an image, screen is slow. Please understand the situation. - Since Bluetooth becomes late especially, we recommend you Wi-Fi. - When it has stopped, it may recover, if each app is started again. 【About Wi-Fi connection】 If Wi-Fi is turned ON, a mirror set can be made from the model (model of Lightning connector) corresponding to AirDrop. From the model before it, a mirror set can be made from connecting with Wi-Fi of the same network.

Screenshots

Eye'sTest3 screens
PairMirror4 screens

Verdict

The call

The clearest difference is in-app purchases: PairMirror at none against Eye'sTest's 1. Eye'sTest's advantage is update cadence (monthly vs every 19 months). On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Eye'sTest sells 1 one-off in-app purchase. PairMirror asks for nothing beyond the download.

UpkeepUpdate frequency

Eye'sTest ships an update monthly, PairMirror every 19 months. The most recent releases landed on October 6, 2026 and September 28, 2026 respectively.

Scorecard2 real differences Β· 4 level
Eye'sTest versus PairMirror: the parameters behind the verdict, then further details
ParameterEye'sTestPairMirror
PriceFreeFree
Update frequencyMonthly β€” betterEvery 19 months
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS10.09.0 β€” better
Further details β€” not scored
Size5 MB7 MB
Age rating4+4+
DeveloperTakeshi KawaiKeietsu Yasuhara

In-app purchases

1 purchases

Eye'sTest

One-time1
  • Premium: Measurement History$1.99
None

PairMirror

No in-app purchases

Questions

Is Eye'sTest free?
Eye'sTest is free to download, with in-app purchases available.
Is PairMirror free?
PairMirror is free to download, with no in-app purchases.
Do Eye'sTest or PairMirror have ads?
Neither Eye'sTest nor PairMirror shows ads.
Which is updated more often, Eye'sTest or PairMirror?
Eye'sTest ships an update monthly, and PairMirror every 19 months. Most recently, Eye'sTest was updated on October 6, 2026 and PairMirror on September 28, 2026.

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