Comparison

djvu vs TimeFlight

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

Head to head
About

djvu

This app allows you to read large scanned books and documents smoothly. It supports multiple formats including DjVu, ePub, and PDF, with features like smart text extraction, bookmarks, and zoom.

Highlights
  • Multi-format reading (DjVu, ePub, PDF)
  • Smart text extraction (OCR support)
  • Bookmark management
  • Pinch-to-zoom and double-tap zoom
  • Dual-page view
  • Table of contents navigation
  • Reading progress saving
  • Dark mode
Read full description

powered by DjVuLibre. Open large scanned books with thousands of pages smoothly. • Multi-Format — Read DjVu, ePub, and PDF files all in one app. Import files directly from the Files app. • Smart Text Extraction — Extract text from any page. Supports both embedded text layers and OCR for scanned/image-only pages (Chinese & English). • Bookmarks — Bookmark any page with one tap. View all your bookmarks from the reader sidebar or the home screen. • Pinch to Zoom — Zoom in up to 5x with smooth pinch gestures. Double-tap to quickly toggle zoom. Perfect for reading fine print in scanned documents. • Dual-Page Mode — Switch to side-by-side dual-page view for landscape reading. • Table of Contents — Quick navigation through document chapters and sections. • Reading Progress — Automatically saves your reading position for every document. Pick up right where you left off. • Dark Mode — Toggle night mode for comfortable reading in low light. • Multi-Language — Interface available in English, 简体中文, 繁體中文, 日本語, 한국어, Français, Deutsch, and Español. BUILT FOR READERS djvu-reader is designed with one goal: make it easy to read DjVu scanned books on your iPhone and iPad. No ads, no subscriptions — just a reader that works. SUPPORTED FORMATS - DjVu (. djvu, .djv) - ePub (.epub) - PDF (.pdf)

About

TimeFlight

This app helps pilots track flight exercises and duty periods, providing timely reminders to maintain currency and avoid losing pilot privileges. It offers detailed logging, synchronization across devices, and a commander mode for oversight.

Highlights
  • Flight exercise tracking
  • Automated duty period calculation
  • Customizable reminders
  • Flight log with aircraft details
  • Cross-device synchronization
  • Commander mode for oversight
Read full description

TimeFlight — трекер лётных упражнений и перерывов для пилотов. Следит за сроками и заранее предупреждает, что вы скоро «выпадете», чтобы вы успели слетать и не потерять допуск. Основное • Учёт упражнений с датой выполнения и автоматическим расчётом перерыва • Наглядные карточки: когда слетали, когда выпадаете, сколько дней осталось • Индикатор двойного перерыва — сразу видно, где требуется контрольный полёт • Цепочки продления: один полёт продлевает связанные упражнения • Подкатегории и вкладки для разных видов подготовки Напоминания • Предупреждение заранее и в день истечения, повторные и воскресная сводка • Отдельное предупреждение о приближении двойного перерыва • Несколько напоминаний в день, «тихие часы», бейдж и виджеты Журнал налёта (бета) • Учёт каждого полёта: тип ВС, время суток, цель, налёт, заходы и посадки • Полёт автоматически отмечает связанные упражнения выполненными • Сводка «для книжки» за месяц и год, форматы КБП и КЛПИ • Экспорт в PDF и CSV для печати и переноса в бумажную книжку Синхронизация и надёжность • Синхронизация между устройствами через iCloud • Автоматическое резервное копирование и восстановление одним тапом Режим командира • Командир видит лётные перерывы подчинённых через iCloud • Уведомления об изменениях: новые полёты и просроченные упражнения Данные принадлежат вам: хранятся на устройстве и в вашем iCloud.

Screenshots

djvu4 screens
TimeFlight4 screens

Verdict

The call

The clearest difference is in-app purchases: TimeFlight at none against djvu's 2. djvu's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 18.0). On price, rating, review sentiment and ratings volume 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. djvu sells 2 in-app purchases, starting at $0.99 per month. TimeFlight asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for djvu against 5.0 for TimeFlight. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

djvu ships an update every 9 days, TimeFlight every 5 days. The most recent releases landed on October 23, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 7 level
djvu versus TimeFlight: the parameters behind the verdict, then further details
ParameterdjvuTimeFlight
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 9 daysEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better18.0
Further details — not scored
Size4 MB8 MB
Age rating17+4+
DeveloperJiajia YanYana Khalikova

Customer experience

djvu

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

TimeFlight

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

djvu

Subscriptions2
  • Pay Me a Coffee$0.991 Month
  • Pay Me a Cappuccino$2.991 Month
None

TimeFlight

No in-app purchases

Questions

Is djvu free?
djvu is free to download, with in-app purchases available.
Is TimeFlight free?
TimeFlight is free to download, with no in-app purchases.
Which has better reviews, djvu or TimeFlight?
djvu and TimeFlight are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do djvu or TimeFlight have ads?
Neither djvu nor TimeFlight shows ads.
Which is updated more often, djvu or TimeFlight?
djvu ships an update every 9 days, and TimeFlight every 5 days. Most recently, djvu was updated on October 23, 2026 and TimeFlight on October 14, 2026.

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