Comparison

InsideKU vs Butterfly Discover

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

Head to head
About

InsideKU

Features
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InsideKU Kasetsart University - ข่าวสารสำคัญ : Hot News - เกี่ยวกับมหาวิทยาลัยเกษตรศาสตร์ : About KU - แผนที่ในมหาวิทยาลัย : KU Maps - ข่าวสารมหาวิทยาลัย : KU News - ข้อมูลการติดต่อ : KU Directory - เบอร์ฉุกเฉิน : Emergency - ข่าวกิจกรรม : KU Events - สโมสร/ชมรมนิสิต : Student Club - ห้องสมุด : Library - ศูนย์คอมพิวเตอร์ : Computer/IT Centre - สนามกีฬา : Sport Field - หอพัก : Dormitory - พิพิธภัณฑ์ : Museum - สาธารณูปโภค : Facility - เส้นทาง : Route - มหาวิทยาลัยสีเขียว : Green KU - เกษตรแฟร์ : KasetFair - พิธีพระราชทานปริญญาบัตร : Commencement Ceremony - คุณภาพอากาศในมหาวิทยาลัย : Air Quality - สำนักงานสีเขียว : KU Green Office - ใส่กรอบรูป : Frame - เกษตรแบ่งปัน : KU Let's Share

About

Butterfly Discover

Features
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Butterfly Discover asks what you can see before it tells you what it found. Most identification apps hand you a name and no way to check it. This one gives you an answer you can test. NOTICE, GUESS, REVEAL Photograph a butterfly or a moth. Mark what you can actually see on your own photo — wings, body, markings. Up to three candidates then arrive as A, B and C with their names held back, so the only thing left to go on is the evidence. You commit to one. Only then does the match appear, together with the marks that support it, the guess you made, and the details to compare next. 1,500 SPECIES OF BUTTERFLIES AND MOTHS The catalog holds 1,500 species, listed by scientific name. Moths are not an afterthought here — they take up more of the catalog than the butterflies do. Hawk-moths, tiger moths, silk moths, underwings, loopers and carpets sit beside the swallowtails, fritillaries, blues, hairstreaks and skippers. Photo matching runs on your device without sending your photo to the developer. No user account with the developer is required. Device backups and files you choose to export or share are handled separately; see the privacy policy. A WRITTEN ENTRY FOR EVERY SPECIES All 1,500 species carry a field-guide entry written for them: visible marks, size band, body shape, habitat, photo tips, and notes on the species they are most often confused with. Alongside them sit 1,064 licensed photographs from 343 credited photographers — CC0, CC BY and CC BY-SA only, with the photographer named in the app. CHECK EACH SUGGESTION The app suggests possible matches, not a confirmed identification. It may suggest a species even when the photo shows another subject, and some suggestions may have no written guide entry. Compare visible features, try another photo when unsure, and leave the observation unidentified if the evidence does not fit. IN 45 LANGUAGES The interface and every field-guide entry are written in 45 languages. Species are listed by scientific name, with a common name where one has been verified. ALSO INSIDE • Browse — the whole 1,500-species catalog, on the device • Collection — a private log of what you have found, kept on this device • Learn — practice rounds that use the same notice-and-guess flow, including a lookalike drill Butterfly Discover helps you learn to recognise butterflies and moths. It is an identification aid for learning, and its matches can be wrong. Do not rely on it for decisions about handling wildlife. Three days of full access are included. After that, a one-time purchase keeps it.

Screenshots

InsideKU4 screens
Butterfly Discover4 screens

Verdict

The call

The clearest difference is in-app purchases: InsideKU at none against Butterfly Discover's 1. InsideKU also leads on iOS requirement (15.6 vs 17.0). Butterfly Discover's advantage is update cadence (fortnightly vs every 6 months). On price, ads 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. Butterfly Discover sells 1 one-off in-app purchase. InsideKU asks for nothing beyond the download.

UpkeepUpdate frequency

InsideKU ships an update every 6 months, Butterfly Discover fortnightly. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 3 level
InsideKU versus Butterfly Discover: the parameters behind the verdict, then further details
ParameterInsideKUButterfly Discover
PriceFreeFree
Update frequencyEvery 6 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.6 — better17.0
Further details — not scored
Size17 MB791 MB
Age rating4+4+
DeveloperKasetsart UniversityRizk Corsight, LLC

In-app purchases

None

InsideKU

No in-app purchases

1 purchases

Butterfly Discover

One-time1
  • Full access$3.99

Questions

Is InsideKU free?
InsideKU is free to download, with no in-app purchases.
Is Butterfly Discover free?
Butterfly Discover is free to download, with in-app purchases available.
Do InsideKU or Butterfly Discover have ads?
Neither InsideKU nor Butterfly Discover shows ads.
Which is updated more often, InsideKU or Butterfly Discover?
InsideKU ships an update every 6 months, and Butterfly Discover fortnightly. Most recently, InsideKU was updated on October 2, 2026 and Butterfly Discover on October 1, 2026.

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