OpenAthena vs PerchLens
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenAthena
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OpenAthena™ is a project which allows consumer and professional drones to spot precise locations through their images. This is accomplished by combining their sensor metadata with digital elevation data to provide the instant location of what is being observed.
PerchLens
This app enhances bird watching by integrating camera technology with bird feeders to capture images of visiting birds. It offers enthusiasts an innovative way to observe and engage with local wildlife.
- Camera-enabled bird feeder
- Captures images of visiting birds
- Innovative nature engagement
- High-tech bird watching
- Feathered friends observation
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PerchLens leads the way in bird watching innovation. By merging cutting-edge camera tech with classic bird feeders, it captures visiting birds, granting enthusiasts an exclusive peek into our feathered friends' world! It's a complete game-changer in our nature engagement!
Screenshots
Verdict
The clearest difference is update cadence: PerchLens at every 3 weeks against OpenAthena's every 2 months. PerchLens also leads on iOS requirement (12.0 vs 14.0). 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.
OpenAthena ships an update every 2 months, PerchLens every 3 weeks. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.
| Parameter | OpenAthena | PerchLens |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.9 (304 ratings) — better |
| Positive reviews | — | 12.1% of reviews |
| Number of ratings | — | 304 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 74 MB | 201 MB |
| Age rating | 4+ | 4+ |
| Developer | Robert Krupczak | POCKET INC |
Bugs and requests
OpenAthena
Not enough reviews yet to summarise bugs or requests.
PerchLens
Reported bugs
4 issues- Inconsistent video recording and storage
- Inability to connect to Wi-Fi
- Login and account issues
- Compatibility problems with newer OS versions
Requested features
5 requests- Option to turn off AI bird identification
- Improved squirrel deterrent features
- Ability to share videos and photos
- Compatibility with smart home platforms
- Better battery life management
In-app purchases
OpenAthena
No in-app purchases
PerchLens
No in-app purchases
