Comparison

Olog Reader vs DeepReader

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

Head to head
About

Olog Reader

Listen to your documents with this app that converts PDFs and EPUBs into natural-sounding audio. Ideal for studying, personal development, or when you want to avoid screen time. Enjoy features like speed control and background playback.

Highlights
  • Convert PDF & EPUB to audio
  • Adjustable playback speed
  • Background audio playback
  • Light and dark mode library
  • Mobile-first design
Features
Read full description

An immersive reading app for all your documents. Olog Reader (by olog Inc) turns your documents into clear, natural-sounding audio so you can read by listening on commutes, during chores, at the gym, or whenever screens aren’t ideal. Perfect for: • Study & revision: listen to chapters, papers, and notes • Personal development: make steady progress through your book list • Pleasure reading: keep up with novels and long-form fiction • Eye-strain relief: switch to audio when you’re tired of screens What you can do today • Import PDF & EPUB and press Play • Speed control (e.g., 0.8×–2×), quick skip, background play • Light & dark mode library • Simple, mobile-first design. Olog Reader helps you turn passive time into progress so your reading list finally fits your life. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

DeepReader

Features
Read full description

DeepReader is a text-to-speech application that converts various types of text into natural, fluent audio. It supports PDFs, web articles, photos, cloud documents, and more, allowing you to listen to content in different scenarios and freeing reading from the limitations of screens. We focus on delivering a high-quality speech synthesis experience, continuously refining pronunciation, intonation, and pauses so that AI narration sounds more natural and human-like, making it suitable for long listening sessions and repeated playback. The app offers a range of practical features, including online text-to-speech playback, voice preview, and PDF text recognition. You can listen online to preview the generated audio. If you wish to save content as audio files, character packages are available for purchase to enable audio generation and downloads. For users with reading difficulties, visual fatigue, or challenges with extended reading, DeepReader presents text through a combination of audio and visual support. This approach helps reduce reading strain and allows you to focus more on the content itself rather than the act of reading. Privacy Policy:https://draft.zeromi.top/deepreader/privacy/en.html Terms of Use:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Olog Reader4 screens
DeepReader4 screens

Verdict

The call

The clearest difference is update cadence: DeepReader at every 5 days against Olog Reader's every 3 weeks. On price, ads, in-app purchases 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

Both are free to download. Olog Reader sells 8 in-app purchases, starting at $2.49 per 7 days and DeepReader sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Olog Reader ships an update every 3 weeks, DeepReader every 5 days. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

Scorecard1 real difference · 9 level
Olog Reader versus DeepReader: the parameters behind the verdict, then further details
ParameterOlog ReaderDeepReader
PriceFreeFree
Rating5.0 (14 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings14 — better—
Update frequencyEvery 3 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.5 — better16.6
Further details — not scored
Size84 MB26 MB
Age rating4+4+
Developerolog, Inc四营 田

In-app purchases

8 purchases

Olog Reader

Subscriptions3
  • Weekly Access$2.497 Days
  • Monthly Access$4.991 Month
  • Yearly Access$54.991 Year
One-time5
  • Olog Gift 1 Week$2.49
  • Olog One Month Gift$4.99
  • Olog Three Months Gift$14.99
Show 2 more
  • Olog Six Months Gift$29.99
  • Olog One Year Gift$54.99
2 purchases

DeepReader

Subscriptions2
  • 1 month3 Days trial$12.991 Month
  • 12 Months3 Days trial$69.991 Year

Questions

Is Olog Reader free?
Olog Reader is free to download, with in-app purchases available.
Is DeepReader free?
DeepReader is free to download, with in-app purchases available.
Do Olog Reader or DeepReader have ads?
Neither Olog Reader nor DeepReader shows ads.
Which is updated more often, Olog Reader or DeepReader?
Olog Reader ships an update every 3 weeks, and DeepReader every 5 days. Most recently, Olog Reader was updated on October 6, 2026 and DeepReader on October 8, 2026.

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