nRF Programmer for Thingy vs ASO Keyword Optimizer PutKey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
nRF Programmer for Thingy
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The nRF Programmer allows users to upload precompiled firmware samples from the nRF Connect SDK to your Nordic Thingy:53 over Bluetooth® Low Energy (LE), without connecting to a PC or external programmer. This allows you to easily test out different applications and update firmware without the need of having physical access to the device. Read more about Thingy:53 at https://www.nordicsemi.com/Products/Development-hardware/Nordic-Thingy-53
ASO Keyword Optimizer PutKey
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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 — 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 — 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
Screenshots
Verdict
The clearest difference is in-app purchases: nRF Programmer for Thingy at none against ASO Keyword Optimizer PutKey's 2. nRF Programmer for Thingy 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 8 months). On price 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
Both are free to download. ASO Keyword Optimizer PutKey sells 2 in-app purchases, starting at $2.99 per month. nRF Programmer for Thingy asks for nothing beyond the download.
nRF Programmer for Thingy ships an update every 8 months, ASO Keyword Optimizer PutKey every 6 days. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.
| Parameter | nRF Programmer for Thingy | ASO Keyword Optimizer PutKey |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 6 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 28 MB | 20 MB |
| Age rating | 9+ | 4+ |
| Developer | Nordic Semiconductor ASA | Asim Can Yagiz |
In-app purchases
nRF Programmer for Thingy
No in-app purchases
ASO Keyword Optimizer PutKey
- Unlimited Access (Monthly)$2.991 Month
- Unlimited Access (Yearly)$24.991 Year
Questions
Is nRF Programmer for Thingy free?
Is ASO Keyword Optimizer PutKey free?
Do nRF Programmer for Thingy or ASO Keyword Optimizer PutKey have ads?
Which is updated more often, nRF Programmer for Thingy or ASO Keyword Optimizer PutKey?
Other comparisons
