Comparison

RecTool vs ChemKey

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

Head to head
About

RecTool

Features
Read full description

This is a professional screen recorder. Quickly capture online meetings, courses, gameplay, and other scenes. Switch between landscape and portrait recording in one tap, and record HD video for any situation. Choose professional quality settings for different recording needs. Edit with picture-in-picture export, voiceover, cropping, lossless compression, speed control, video-to-GIF, and more. *New: record audio and transcribe while recording, then replay, edit, and share. [Auto-Renewable Subscription] Title: Monthly Membership Length: 1 month Price: $2.99 per month Includes: unlimited screen recording and unlimited video export during the subscription period. Payment: Payment is charged to your Apple ID account at confirmation of purchase. Renewal: The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged within 24 hours before the end of the current period. After a successful charge, the subscription is extended by one period. Cancellation: Turn off auto-renew at least 24 hours before the end of the current period in Settings > Apple ID > Subscriptions. Access continues until the end of the current period. [One-Time Purchase] Name: Lifetime Membership Price: $19.99 One-time payment. This purchase does not auto-renew. It includes ongoing unlimited screen recording and unlimited video export. Privacy Policy: https://docs.google.com/document/d/1bJ-d8LzyX8fdRoNiQB6lQ2vrcsowXz7JQhgSBbcxMfw/edit?usp=sharing Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ChemKey

This keyboard app simplifies typing chemical formulas and symbols for students, teachers, and professionals. It offers quick access to common elements and an optimized layout for efficient input, reducing the need to switch between keyboards.

Highlights
  • Dedicated chemical keyboard
  • Quick access to chemical symbols
  • Optimized layout for expressions
  • Faster formula input
  • Smart completion (VIP feature)
  • One-time purchase for lifetime access
Features
Read full description

Stop searching for chemical symbols. Start typing them instantly. ChemKey is a dedicated keyboard designed for chemistry students, teachers, and professionals. Easily input chemical symbols, formulas, and expressions β€” all in one place. Features: Built for Chemistry Quick access to common chemical symbols No more switching keyboards or copying characters Optimized layout for chemical expressions Faster Input: Type formulas and elements efficiently Reduce friction when writing chemistry content Perfect for notes, homework, and research Smart Completion (VIP) Intelligent suggestions while typing Auto-complete common chemical patterns Save time and improve accuracy Premium: 7-day free trial No auto-renewal after trial ends One-time purchase, lifetime access No subscriptions Who is it for? Students learning chemistry Teachers and educators Researchers and professionals Anyone who needs to type chemical formulas quickly Why ChemKey? We believe typing chemistry should be as simple as writing it. ChemKey removes friction so you can focus on ideas, not input. Support: Have feedback or feature requests? We’d love to hear from you.

Screenshots

RecTool4 screens
ChemKey2 screens

Verdict

The call

RecTool and ChemKey are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. RecTool sells 2 in-app purchases, starting at $2.99 per month and ChemKey sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on October 24, 2026.

ScorecardNo meaningful differences
RecTool versus ChemKey: the parameters behind the verdict, then further details
ParameterRecToolChemKey
PriceFreeFree
Positive reviewsβ€”100.0% of reviews
Update frequencyEvery 3 monthsEvery 3 months
AdsNoNo
In-app purchasesYesYes
Monetizationβ€”Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS15.6 β€” better16
Further details β€” not scored
Size30 MB20 MB
Age rating12+4+
DeveloperShanghai Haijia Network Technology Co., Ltd.δΏŠι”‹ 仝

In-app purchases

2 purchases

RecTool

Subscriptions1
  • Monthly Membership$2.991 Month
One-time1
  • Lifetime Membership$19.99
1 purchases

ChemKey

One-time1
  • ChemKey Pro (Lifetime)$2.99

Questions

Is RecTool free?
RecTool is free to download, with in-app purchases available.
Is ChemKey free?
ChemKey is free to download, with in-app purchases available.
Do RecTool or ChemKey have ads?
Neither RecTool nor ChemKey shows ads.
Which is updated more often, RecTool or ChemKey?
RecTool ships an update every 3 months, and ChemKey every 3 months. Most recently, RecTool was updated on October 24, 2026 and ChemKey on October 24, 2026.

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