Comparison

Logbook Time Calc vs ReadIsland

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

Head to head
About

Logbook Time Calc

Features
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Calculate your flight hours in seconds โ€” point, scan, done. Say them out loud. And now, see your night time on a 3D globe. Logbook Time Calc is the essential tool for pilots who want to quickly and accurately calculate their total flight time directly from their paper logbook. Photograph a page and let the app do the math, flip to the manual table and enter your times by voice or keypad โ€” or swipe to the night page and let the globe split your flight into day and night. HOW IT WORKS Point your iPhone at any page of your logbook and capture it. Advanced text recognition detects and reads the hours and minutes from each row, and the app instantly calculates your total flight time. Every manual correction quietly trains a personal on-device profile of your handwriting, so recurring misreads fix themselves โ€” the more you use it, the more accurate it becomes. Prefer extra power? Switch to the optional Cloud AI engine for even smarter reading of difficult pages. NIGHT TIME CALCULATOR Enter departure and arrival ICAO codes with your UTC times: your flight is drawn on a rotating 3D globe with real day and night. The night portion glows orange, with exact times and duration โ€” computed with civil twilight. A 22,000-airport database works fully offline. SCAN IT โ€” OR SAY IT Swipe sideways for the manual table. Dictate your times โ€” "1 hour 35" โ€” and watch them drop into the grid row by row. In a hurry? Type whole times in one field: "135" becomes 1h 35m. Totals update in real time, whichever way you enter your hours. KEY FEATURES Instant Logbook Scanning โ€” your total flight hours in seconds. Smart Text Recognition โ€” reads handwritten and printed times, even in imperfect lighting. Learns Your Handwriting โ€” corrections train a personal on-device profile. Cloud AI Mode โ€” optional cloud engine for the trickiest handwriting, with scan packs available. Night Time Calculator โ€” day/night globe, orange night portion, times and duration. Logbook Backup โ€” photograph your pages in landscape and keep a private photographic copy on your iCloud, exportable to PDF. Voice Dictation โ€” speak your times in your language, up to 25 rows per page. Rapid Keypad Entry โ€” one field, whole times: type, enter, done. Auto Table Detection & Manual Crop โ€” the table is found automatically; a crop tool is there when you want control. Real-Time Totals โ€” page and grand totals update as you scan, dictate, type or edit. 34 Languages โ€” interface, dictation and guides localised for pilots worldwide. On-Device by Default โ€” scanning, learning and totals run locally; no account needed. Clean, Distraction-Free Interface โ€” designed for pilots, by a pilot. PERFECT FOR Student pilots logging training hours, private pilots tracking currency, commercial pilots verifying totals before check rides, flight instructors and any aviator who keeps a paper logbook and wants a faster way to sum up flight time. SUBSCRIPTION, LIFETIME & FREE TRIAL Full access requires a subscription (monthly or yearly) or the one-time Lifetime unlock. Try it first, free: 3 Cloud AI scans, 5 minutes of dictation, 5 night-flight calculations and 3 backups โ€” and manual typing in the table is free forever. Prices are shown in the app; subscriptions renew automatically unless cancelled at least 24 hours before the period ends, and can be managed in your App Store account settings. YOUR PRIVACY, GUARANTEED The camera is used solely to capture your logbook page, the microphone only for dictation, your location only to centre the globe. Scanning, learning and calculations run on your device. Cloud AI is optional: a photo is sent for reading only when you choose that mode and give explicit consent. No images or audio are stored externally. By downloading this app, you agree to Apple's standard Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ReadIsland

Features
Read full description

Read on e-ink, not on glass. ReadIsland sends articles, notes, and long reads from your iPhone straight to your Boox e-reader. Paste or share, tap once, and it opens on your Boox โ€” no cables, no accounts, no clutter. The pieces you mean to read pile up all day: the long essay, the careful argument, the story someone spent a month writing. They wait in a tab, then a folder, then a quiet sense of guilt. ReadIsland is where they finally land โ€” on a calm grey page, easy on the eyes, the way long-form was meant to be read. WHY YOU'LL LOVE IT โ€ข One-tap delivery โ€” share or paste, then send. It appears on your Boox automatically. โ€ข Made for e-ink โ€” no glow, no blue light, no notifications pulling at your attention. โ€ข No account needed โ€” pair your Boox once with a 6-digit code. That's the whole setup. โ€ข Private by design โ€” your reading is yours. We never collect what you read. โ€ข Sends in the background โ€” keep reading while the next piece arrives. HOW IT WORKS 1. Install ReadIsland on your iPhone and the companion app on your Boox. 2. Pair once with the 6-digit code shown on your Boox. 3. Share any article to ReadIsland, or paste text, and tap Send. 4. It opens on your Boox, ready to read tonight. Send it now. Read it later, when the hour is quiet and the screen has stopped asking for anything. โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€”โ€” ReadIsland Pro (Auto-Renewable Subscription) Subscribe to Pro to deliver documents to your Boox / E-ink reader without limits โ€” the free tier's 30-deliveries-per-month cap is removed. Subscription options: โ€ข Pro Monthly: ยฅ12 / month โ€ข Pro Yearly: ยฅ98 / year โ€ข Payment will be charged to your Apple ID account at confirmation of purchase. โ€ข Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. โ€ข You can manage or turn off auto-renew in your App Store account settings after purchase. โ€ข Terms of Use (EULA): https://www.figedu.com/readisland/terms โ€ข Privacy Policy: https://www.figedu.com/readisland/privacy

Screenshots

Logbook Time Calc4 screens
ReadIsland4 screens

Verdict

The call

The clearest difference is update cadence: ReadIsland at every 3 days against Logbook Time Calc's every 8 days. ReadIsland also leads on iOS requirement (16.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Logbook Time Calc sells 11 in-app purchases, starting at $3.99 per month and ReadIsland sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Logbook Time Calc ships an update every 8 days, ReadIsland every 3 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard2 real differences ยท 4 level
Logbook Time Calc versus ReadIsland: the parameters behind the verdict, then further details
ParameterLogbook Time CalcReadIsland
PriceFreeFree
Update frequencyEvery 8 daysEvery 3 days โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, Mac
Requires iOS18.616.0 โ€” better
Further details โ€” not scored
Size1.7 GB3 MB
Age rating4+4+
DeveloperEDUARD FARTADEๆฝๅŠไน‹ๆฑŸๆ˜Ž่ฎฏๆ•™่‚ฒ็ง‘ๆŠ€ๆœ‰้™ๅ…ฌๅธ

In-app purchases

11 purchases

Logbook Time Calc

Subscriptions2
  • Abbonamento$3.991 Month
  • Abbonamento$17.991 Year
One-time9
  • Tip$0.99
  • Tip$1.99
  • Tip$2.99
Show 6 more
  • 100 Cloud Ai reads$3.99
  • Tip$3.99
  • Tip$8.99
  • Tip$17.99
  • Lifetime$24.99
  • Tip$44.99
2 purchases

ReadIsland

Subscriptions2
  • ้˜…่ฏปๅฒ› Pro ๆœˆไป˜$1.991 Month
  • ้˜…่ฏปๅฒ› Pro ๅนดไป˜$14.991 Year

Questions

Is Logbook Time Calc free?
Logbook Time Calc is free to download, with in-app purchases available.
Is ReadIsland free?
ReadIsland is free to download, with in-app purchases available.
Do Logbook Time Calc or ReadIsland have ads?
Neither Logbook Time Calc nor ReadIsland shows ads.
Which is updated more often, Logbook Time Calc or ReadIsland?
Logbook Time Calc ships an update every 8 days, and ReadIsland every 3 days. Most recently, Logbook Time Calc was updated on October 25, 2026 and ReadIsland on October 28, 2026.

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