Comparison

ZEISS TEMPAR go vs Bionic Reader

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

Head to head
About

ZEISS TEMPAR go

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Coordinate measuring machines provide highly accurate and precise results - but only if temperature, temperature gradients and humidity are within the limits specified by the manufacturer. Operators should not rely on the air conditioning or their gut feeling. The ZEISS TEMPAR go App allows an easy overview over the temperature and air humidity of the environment. It has been optimized for metrology but can also be used for monitoring any other room conditions. In order to use the full functionality of this app a minimum of two TEMPAR disc sensors shall be connected. If you don’t own any sensors yet, visit our ZEISS Metrology Shop. Functionalities - Individual configuration of the own measuring room - Live display of environmental temperature and humidity in the measuring room - Warning, if values are out of tolerance - Tips on environmental conditions in the measuring room

About

Bionic Reader

Features
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Read faster, without losing comprehension Bionic Reader highlights the start of each word so your brain completes it automatically. Your eyes glide through the text faster and you stay focused for longer. A bionic reading technique especially useful for people with dyslexia, and for anyone who wants to read faster and better. IMPORT ANY DOCUMENT Open and bionic-format PDF, EPUB, DOCX, TXT, Markdown, RTF and HTML. You can also paste or type your own text, or open files shared from other apps. READING TAILORED TO YOU Adjust size, spacing and bionic intensity. Choose between Paper, Sepia and Night themes, and enable the OpenDyslexic font, designed to make reading easier for people with dyslexia. RSVP MODE: WORD-BY-WORD SPEED READING Train your reading speed with RSVP mode (Rapid Serial Visual Presentation): words appear one at a time at the pace you set, in words per minute. EXPORT TO BIONIC PDF Generate a PDF with the bionic-formatted text and share it, print it, or save it for studying. YOUR LIBRARY, ALWAYS READY Save your documents and pick up reading right where you left off. AVAILABLE IN 8 LANGUAGES English, Spanish, German, Chinese, French, Italian, Catalan and Basque, with automatic detection or a manual picker. YOUR DOCUMENTS, ON YOUR DEVICE The documents you import are processed and saved on your own device: no account needed, and we never upload your content to any server. FREE WITH ADS, NO LIMITS ON READING FEATURES Bionic Reader is free and supported by non-personalized ads. If you'd rather read without ads, you can subscribe (monthly) or buy lifetime access with a single purchase that removes ads forever. Download Bionic Reader and notice the difference from the first page. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ZEISS TEMPAR go4 screens
Bionic Reader4 screens

Verdict

The call

The clearest difference is in-app purchases: ZEISS TEMPAR go at none against Bionic Reader's 2. ZEISS TEMPAR go also leads on ads (none vs shown) and iOS requirement (8.0 vs 15.0). On price, update cadence and device support 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. Bionic Reader sells 2 in-app purchases, starting at $0.99 per month. ZEISS TEMPAR go asks for nothing beyond the download.

UpkeepUpdate frequency

ZEISS TEMPAR go ships an update every 6 months, Bionic Reader every 3 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard3 real differences Β· 3 level
ZEISS TEMPAR go versus Bionic Reader: the parameters behind the verdict, then further details
ParameterZEISS TEMPAR goBionic Reader
PriceFreeFree
Update frequencyEvery 6 monthsEvery 3 months β€” better
AdsNo β€” betterYes
In-app purchasesNo β€” betterYes
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS8.0 β€” better15.0
Further details β€” not scored
Size82 MB48 MB
Age rating4+4+
DeveloperCarl Zeiss AGJonatan Ortega

In-app purchases

None

ZEISS TEMPAR go

No in-app purchases

2 purchases

Bionic Reader

Subscriptions1
  • Bionic Reader Premium$0.991 Month
One-time1
  • Bionic Reader β€” De por vida$3.99

Questions

Is ZEISS TEMPAR go free?
ZEISS TEMPAR go is free to download, with no in-app purchases.
Is Bionic Reader free?
Bionic Reader is free to download, with in-app purchases available.
Do ZEISS TEMPAR go or Bionic Reader have ads?
Bionic Reader shows ads; ZEISS TEMPAR go does not.
Which is updated more often, ZEISS TEMPAR go or Bionic Reader?
ZEISS TEMPAR go ships an update every 6 months, and Bionic Reader every 3 months. Most recently, ZEISS TEMPAR go was updated on November 3, 2026 and Bionic Reader on October 31, 2026.

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