Comparison

ASO Keyword Optimizer PutKey vs Digia Preview

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

Head to head
About

ASO Keyword Optimizer PutKey

Features
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Make your App Store 100-character keyword field count. ASO Keyword Optimizer (PutKey) is a fast, on-device helper that cleans and organizes the keywords you put in your listing โ€” so more high-value terms fit into the space Apple gives you. AUTOMATIC CLEANUP - Removes duplicate words automatically - Converts plurals to singular - Strips Apple keyword stop-words and filler - Trims wasted whitespace โ€” no character goes to waste SEE WHAT YOU SAVED - Instantly shows how many characters you freed up, so more keywords fit inside the 100-character limit SAVE & ORGANIZE (Pro) - Save named keyword lists for each of your apps - Rename and edit them anytime, all in one place FLEXIBLE EXPORT - Export your cleaned keywords as CSV, PDF, TXT or JSON (Pro) PRIVATE BY DESIGN - 100% on-device. No account, no login, no network. Your keywords never leave your device. Free: paste your keywords with no input character limit, optimize, and instantly see how many characters you saved, how many duplicates were removed, and how many stop-words were stripped. Pro unlocks the full optimized keyword list for viewing and copying, saving and organizing keyword lists, editing entries, and unlimited exports to CSV, PDF, TXT or JSON. Privacy: https://www.app-privacy-policy.com/live.php?token=B6FovKGaSiNh6KsLifafoIYttoyMt5hw Terms: https://www.app-privacy-policy.com/live.php?token=aGax0lj8uoSaZic0I5prKDHuXQOLFzQH

About

Digia Preview

Features
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Digia empowers developers to revolutionize app development. With our innovative platform, seamlessly integrate dynamic and static internet-powered features, such as stories and landing screens, into your apps. Streamline version management, access comprehensive developer documentation, and gather valuable user feedback. Join the Digia community and supercharge your app development process today.

Screenshots

ASO Keyword Optimizer PutKey4 screens
Digia Preview3 screens

Verdict

The call

The clearest difference is in-app purchases: Digia Preview at none against ASO Keyword Optimizer PutKey's 2. Digia Preview also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). ASO Keyword Optimizer PutKey's advantage is update cadence (every 6 days vs every 3 weeks). On price 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. ASO Keyword Optimizer PutKey sells 2 in-app purchases, starting at $2.99 per month. Digia Preview asks for nothing beyond the download.

UpkeepUpdate frequency

ASO Keyword Optimizer PutKey ships an update every 6 days, Digia Preview every 3 weeks. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

Scorecard4 real differences ยท 2 level
ASO Keyword Optimizer PutKey versus Digia Preview: the parameters behind the verdict, then further details
ParameterASO Keyword Optimizer PutKeyDigia Preview
PriceFreeFree
Update frequencyEvery 6 days โ€” betterEvery 3 weeks
AdsYesNo โ€” better
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 โ€” better
Further details โ€” not scored
Size20 MB83 MB
Age rating4+4+
DeveloperAsim Can YagizDigia Tech

In-app purchases

2 purchases

ASO Keyword Optimizer PutKey

Subscriptions2
  • Unlimited Access (Monthly)$2.991 Month
  • Unlimited Access (Yearly)$24.991 Year
None

Digia Preview

No in-app purchases

Questions

Is ASO Keyword Optimizer PutKey free?
ASO Keyword Optimizer PutKey is free to download, with in-app purchases available.
Is Digia Preview free?
Digia Preview is free to download, with no in-app purchases.
Do ASO Keyword Optimizer PutKey or Digia Preview have ads?
ASO Keyword Optimizer PutKey shows ads; Digia Preview does not.
Which is updated more often, ASO Keyword Optimizer PutKey or Digia Preview?
ASO Keyword Optimizer PutKey ships an update every 6 days, and Digia Preview every 3 weeks. Most recently, ASO Keyword Optimizer PutKey was updated on October 9, 2026 and Digia Preview on October 11, 2026.

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