Top Reference iOS Apps to Clone in 2026
Reference apps include dictionaries, encyclopedias, unit converters, and lookup tools. They're among the simplest apps to build but can generate steady revenue through well-executed design and premium features.
10
Top Apps
1984
Total in Database
Top Grossing Reference Apps
Revenue figures are directional monthly estimates, not verified earnings. Compare the evidence on each app page before choosing what to build.
#1
Bible Chat: Daily Devotional
Book Vitals Inc.
$3.0M
Est./mo
Est./mo
#2
Translate Now - AI Translator
Air Apps Systems
$1.7M
Est./mo
Est./mo
#3
Ancestry: Family History & DNA
Ancestry.com
$1.2M
Est./mo
Est./mo
#4
Hallow: Prayer & Meditation
Hallow, Inc.
$923K
Est./mo
Est./mo
#5
CoinIn: Coin Scan Identifier
Vortemol Limited
$764K
Est./mo
Est./mo
#6
CoinSnap: Coin Identifier
Next Vision Limited
$654K
Est./mo
Est./mo
#7
Collectr - TCG Collector App
Collectr
$574K
Est./mo
Est./mo
#8
Haven - Bible Chat
E12 Holdings
$512K
Est./mo
Est./mo
#9
Live Translator - AI Translate
DigitalSail (HK) Limited
$463K
Est./mo
Est./mo
#10
BibleScroll: Christian Focus
Screen Detox Inc
$424K
Est./mo
Est./mo
Why Clone Reference Apps with AI?
- Low development complexity. Many reference apps can be built in days, not weeks
- Long-tail App Store search traffic for specific reference queries
- Users keep reference apps installed indefinitely, providing long lifetime value
- Premium features like offline access and advanced search convert well