Set Spotter vs PowerDetector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Set Spotter
This augmented reality app uses your iPhone's camera to find sets in the card game Set®. It can highlight all visible sets or simply display the set count to help you decide when to deal more cards.
- Augmented reality set detection
- Highlights all visible sets
- Displays set count
- Adjustable highlight feature
- Camera-based card scanning
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Set Spotter turns your iPhone into an augmented-reality set finder for the card game Set®. Point the camera at a grid of cards and Set Spotter will highlight all the sets it sees. If you want to use it during a real game to determine if more cards should be dealt then you can turn off the highlight feature in the settings page and only the set count will be shown in the bottom left.
PowerDetector
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The PowerDetector app uses the iPhone charging status to sense AC power, allowing the iPhone to act as a remote power sensor and email notification device. Configure the PowerDetector app with email addresses, plug in the iPhone to a charger and if the power goes out an email or text message will be sent to you.
Screenshots
Verdict
The clearest difference is update cadence: Set Spotter at fortnightly against PowerDetector's every 2 months. Set Spotter also leads on iOS requirement (16 vs 18.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Set Spotter ships an update fortnightly, PowerDetector every 2 months. The most recent releases landed on September 12, 2026 and May 13, 2026 respectively.
| Parameter | Set Spotter | PowerDetector |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 16 — better | 18.6 |
| Further details — not scored | ||
| Size | 3 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Jorge del Alamo | River Rock Logic |
In-app purchases
Set Spotter
No in-app purchases
PowerDetector
No in-app purchases
Questions
Is Set Spotter free?
Is PowerDetector free?
Do Set Spotter or PowerDetector have ads?
Which is updated more often, Set Spotter or PowerDetector?
Other comparisons
