# nRF Programmer for Thingy vs ASO Keyword Optimizer PutKey

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.

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.

## The numbers

| Metric | nRF Programmer for Thingy | ASO Keyword Optimizer PutKey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 6 days** |
| Size | 28 MB | 20 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Nordic Semiconductor ASA](https://appshunter.io/developer/497679114) | [Asim Can Yagiz](https://appshunter.io/developer/1654138936) |

## What reviewers say

### nRF Programmer for Thingy

[App page](https://appshunter.io/ios/app/nrf-programmer-for-thingy53/id1596718053)

**Features:** macOS Compatibility

**In-app purchases:** none


### ASO Keyword Optimizer PutKey

[App page](https://appshunter.io/ios/app/aso-keyword-optimizer-putkey/id6478461133)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access (Monthly) | $2.99 | per month |
| Unlimited Access (Yearly) | $24.99 | per year |


## Frequently asked questions

### Is nRF Programmer for Thingy free?

nRF Programmer for Thingy is free to download, with no in-app purchases.

### Is ASO Keyword Optimizer PutKey free?

ASO Keyword Optimizer PutKey is free to download, with in-app purchases available.

### Do nRF Programmer for Thingy or ASO Keyword Optimizer PutKey have ads?

ASO Keyword Optimizer PutKey shows ads; nRF Programmer for Thingy does not.

### Which is updated more often, nRF Programmer for Thingy or ASO Keyword Optimizer PutKey?

nRF Programmer for Thingy ships an update every 8 months, and ASO Keyword Optimizer PutKey every 6 days. Most recently, nRF Programmer for Thingy was updated on September 21, 2026 and ASO Keyword Optimizer PutKey on September 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*