Periscope Watchkeeper vs Bug Identifier
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Periscope Watchkeeper
Train your "eyes only" submarine periscope skills with this educational application. It offers various target types, difficulty levels, and guided tutorials to help users refine their observational abilities.
- Multiple target types
- Adjustable difficulty levels
- Passive Range and Look Interval mode
- Night mode
- Distance Of Track calculations
- Duration Of Attack calculations
- Guided tutorials
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The only publicly available submarine periscope training application focused on "eyes only" skills. Suitable for new submariners or those refining their skills. Features: - Seven target types: Arleigh Burke, Zumwalt, QM2, Daring class, Sigma, 052D, and Gorshkov - Four difficulty levels for the ATB / AOB game mode - Up to three targets for the Passive Range and Look Interval mode - Night mode - Distance Of Track calculations - Duration Of Attack calculations - Guided tutorials for every game mode and configuration Any feedback, customisation requests, bug reports or general comments are all welcome.
Bug Identifier
Instantly identify insects and spiders by taking or uploading a photo. Access a vast database with detailed information, track your discoveries, and learn about potential dangers or care for insect pets. Offers premium features like an AI chat assistant and ad-free experience.
- Instant AI recognition of over 14,000 species
- Detailed information on identified insects
- Personal insect collection builder
- Poison and bite identification
- Pest management and pet care information
- AI chat assistant (premium)
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Discover the World of Insects with Insect Identification! Get ready to explore, learn, and identify insects like never before. With Insect Identification, you can take or upload a photo of any insect or spider, and our advanced AI technology will instantly provide accurate identification from a database of over 14,000 species. Whether you want to recognize pests, learn about pet insects, or identify bites, our app has everything you need. Key Features: • Instant Recognition: Identify over 14,000 species of insects and spiders with an impressive accuracy rate of 92%, with more than two-thirds of results appearing in the top 3. • Comprehensive Information: Access a vast insect database and detailed information about species without limits, even without a premium account. • Build Your Collection: Save the insects you identify to your personal collection and track your discoveries. • Check for Poison or Bites: Curious if an insect is poisonous or responsible for a bite? Our app provides detailed, trusted information. • Fight Pests or Care for Pets: Whether you’re dealing with bed bugs, checking for pests, or caring for an insect as a pet, we’ve got you covered. Why Go Premium? • Unlimited Photo Recognition: Instantly identify insects and spiders by simply taking a photo. • AI Chat Assistant: Ask questions and get expert advice about insects directly in the app. • Ad-Free Experience: Enjoy exploring the insect world without distractions. With Insect Identification Premium, users enjoy: • Weekly Subscription: $7.99/week • Yearly Subscription: $39.99/year • Lifetime Access: $199.99 (one-time payment) All users can try the premium features for free for 3 days with our trial offer. Plus, exclusive discounts may be available in-app for even greater savings! Terms of service: https://legal.niroapps.com/terms-of-use Privacy Policy: https://legal.niroapps.com/privacy Contact us: niro.identification@gmail.com Learn more about Insect Identification at: https://niroapps.com/
Screenshots
Verdict
The clearest difference is review sentiment: Periscope Watchkeeper at 100% against Bug Identifier's 20%. Periscope Watchkeeper also leads on in-app purchases (none vs 10) and iOS requirement (12.0 vs 14.0). Bug Identifier's advantage is price (Free vs $14.99) and update cadence (every 4 weeks vs every 19 months). On ads 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
Bug Identifier is free to download; Periscope Watchkeeper costs $14.99 up front. Bug Identifier sells 10 in-app purchases, starting at $7.99 per month. Periscope Watchkeeper asks for nothing beyond the download.
Periscope Watchkeeper ships an update every 19 months, Bug Identifier every 4 weeks. The most recent releases landed on November 3, 2026 and November 12, 2026 respectively.
| Parameter | Periscope Watchkeeper | Bug Identifier |
|---|---|---|
| Price | $14.99 | Free — better |
| Rating | — | 4.3 (8.9K ratings) — better |
| Positive reviews | 100.0% of reviews — better | 20.1% of reviews |
| Number of ratings | — | 8.9K — better |
| Update frequency | Every 19 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 131 MB | 178 MB |
| Age rating | 4+ | 4+ |
| Developer | Dzeba Systems | Picture & Photo Identifier Company LTD |
Customer experience
Periscope Watchkeeper
Bug Identifier
Bugs and requests
Periscope Watchkeeper
Not enough reviews yet to summarise bugs or requests.
Bug Identifier
Reported bugs
3 issues- App crashes on launch
- Scanning process gets stuck at 98%
- Inability to forward identified insect photos
Requested features
3 requests- Free trial for full app functionality
- Option to save identified insects
- Integration with other nature apps
In-app purchases
Periscope Watchkeeper
No in-app purchases
Bug Identifier
- Identification 1 Month Premium$7.991 Month
- Identification 1 Week Premium3 Days trial$7.997 Days
- Identification 1 Week Premium$7.997 Days
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- Identification 1 Year Premium3 Days trial$24.991 Year
- Identification 1 Year Premium$24.991 Year
- Identification 1 Year Premium$29.991 Year
- Identification 1 Year Premium3 Days trial$29.991 Year
- 1 Year Premium1 Year trial$29.991 Year
- Identification 1 Year Premium$39.991 Year
- Identification 1 Year Premium1 Year trial$39.991 Year
Questions
Is Periscope Watchkeeper free?
Is Bug Identifier free?
Do Periscope Watchkeeper or Bug Identifier have ads?
Which is updated more often, Periscope Watchkeeper or Bug Identifier?
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