Peek vs BatLib
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Peek
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Make an interactive excursion with the Peek app in your own area, and facilitate active dialogue about landscapes and surroundings. Simply choose GPS locations on the map and post questions, challenges or other information on these locations. You can then navigate to these locations via the app and take up the challenge. The results can be viewed and compared afterwards. - GPS based questions or information - Add pictures, video or audio to locations - Instant feedback - Easy navigation and orientation - Educational concept Peek is enhancing decision-making and improving estimation and mapping skills. The app stimulates active engagement and participation through a fun and interactive experience.
BatLib
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The BatLib app plays the different ultrasonic calls of most European bats, transformed into the audible range using the heterodyne mixer method. This is particularly useful for comparing directly with the output of the BATSCANNER device to help determine the species. 1. Enter the frequency that your BATSCANNER displays to filter the species 2. Listen to the typical bat call sequences 3. Compare the sound with what you hear from your BATSCANNER 4. Sounds similar? Read additional information about the bat species, such as acoustic characteristics, size, habitat, photos, etc. Further information about our bat products: www.batscanner.ch
Screenshots
Verdict
The clearest difference is update cadence: Peek at every 6 weeks against BatLib's every 26 months. BatLib's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Peek ships an update every 6 weeks, BatLib every 26 months. The most recent releases landed on September 8, 2026 and September 29, 2026 respectively.
| Parameter | Peek | BatLib |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks โ better | Every 26 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod โ better |
| Requires iOS | 18.0 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 13 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Peek VOF | Elekon AG |
In-app purchases
Peek
No in-app purchases
BatLib
No in-app purchases









