GCTools vs ArcGIS Survey123
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GCTools
This app provides a comprehensive suite of tools for geocaching enthusiasts. It offers coordinate manipulation, a wide range of cipher decoding and encoding options, interactive data tables, and various unit converters to assist with multi and mystery caches.
- Coordinate projection and distance calculation
- Extensive cipher decoding and encoding
- Interactive data tables
- Multiple unit converters
- Mapview integration with popular services
- Coordinate saving and loading
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GCTools - the geocaching tool collection! Here you find the tools to get your next multi and mystery caches done easily. Coordinates: - Target guidance - Projection of coordinates - Distance between coordinates - Intersection of lines - Intersection of circles - Intersection of line/circle - Center of circle - Coordinate conversion (DMS, DM, D, Lat/Lon, UTM, MGRS, Swiss Grid, Quadtree) - Saving/loading coordinates (inApp) - Mapview - Interface to GoogleMaps, GoogleEarth, OpenMaps, OffMaps, Navigon, TomTom, Pocket Earth and Waze Ciphers De-/Encoding: - Affine Cipher - Alpha Cipher - Bacon Code - Baudot Code (CCITT-2) - Braille Alphabet - Caesar Cipher (ROT-N), ROT-5, -13, -18, -47 - Finger Alphabet - Flag Alphabet - Pigpen/Freemason's Cipher - Hexahue Code - Mobile Cipher - Morse Code - Puzzle-Code - Semaphore Alphabet - Shutter Telegraph - Tomtom Code - Vigenere Cipher/One Time Pad - Custom alphabets - Saving/loading alphabets (inApp) Interactive data tables: - Cross Sum - Latin/Arabic Numbers - Maya Numbers - Resistors - Periodic system - Color Alphabet - Prime Numbers - PI Digits - ASCII Code - Binary Code - German Police Codes Converters: - Coordinates - ASCII/Number Systems - Lengths - Areas - Volumes - Masses - Angles - Speeds - Times - Pressures - Temperatures - Angles - Number systems - Data sizes - Flashlight - Menu favorites and search If you find something missing let us know! If you encounter problems with the app please mail to gctools@onedollarapp.com instead of writing a review here. We cannot contact you that way to find a solution.
ArcGIS Survey123
Capture precise, location-aware data in the field using smart forms, even offline. Seamlessly sync collected information with your ArcGIS platform for real-time analysis and decision-making. Ideal for public feedback, inspections, and documenting field conditions.
- Smart forms for data collection
- Offline data capture and syncing
- Location-aware data with GPS
- Support for various question types
- Photo and audio attachments
- Data validation and skip logic
- Integration with ArcGIS platform
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Smart forms and surveys for digital data collection. ArcGIS Survey123 helps mobile workers collect field data with speed and precision. Capture location-aware survey responses anytime, anywhere—even offline—and sync seamlessly with your ArcGIS platform for real-time analysis and decision-making. From gathering public feedback to conducting inspections or documenting field conditions, Survey123 helps ensure data capture is efficient and reliable. ArcGIS is available on your desktop, in a browser, and on smartphones or tablets. Survey123 is Esri's form-centric app on mobile devices. Note: Survey123 is designed for organizational use. This app requires you have an ArcGIS organizational account to collect and update data. Public surveys shared by organizations can be accessed without sign in for crowd sourcing or citizen science purposes. Collect and submit data with precision: - Capture data using a wide variety of question types including text, map, choice lists, dates, photos, signatures, and barcodes. - Collect data online or offline and sync when connected. - Capture location information using device GPS. - Use maps in surveys to select points. - Apply skip logic, calculations, and data validation to ensure high-quality responses. - Attach photos and audio to survey responses. - Create multilingual surveys. Work securely with your organization: - Securely connect to your ArcGIS Online or ArcGIS Enterprise organization. - Submit surveys to trigger feature service webhooks that automate downstream workflows. Collaborate and analyze results: - Access and complete publicly shared surveys in the field without needing to sign in, allowing you to provide feedback or contribute data for crowd sourcing projects. - Integrate data submitted from the Survey123 field app with ArcGIS Dashboards, ArcGIS Experience Builder, and other ArcGIS solutions to enhance visualization and analysis. - Submit reliable survey data to support professional reports, which can be generated using customizable report templates on the Survey123 website. - Submit survey data in the field to make it available for export in formats such as CSV, Excel, shapefile, or file geodatabase through the Survey123 website, ArcGIS Online or ArcGIS Enterprise.
Screenshots
Verdict
The clearest difference is review sentiment: GCTools at 57% against ArcGIS Survey123's 12%. GCTools also leads on rating (3.1 vs 2.7) and update cadence (monthly vs every 2 months). ArcGIS Survey123's advantage is in-app purchases (none vs 7) and ratings volume (223 vs 13). On price, 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
Both are free to download. GCTools sells 7 one-off in-app purchases. ArcGIS Survey123 asks for nothing beyond the download.
GCTools holds the better App Store score, 3.1 against 2.7. That said, the two scores are not equally well evidenced: ArcGIS Survey123 has 223 ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 57% of GCTools's written reviews are positive against 12% of ArcGIS Survey123's.
GCTools ships an update monthly, ArcGIS Survey123 every 2 months. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.
| Parameter | GCTools | ArcGIS Survey123 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (13 ratings) — better | 2.7 (223 ratings) |
| Positive reviews | 57.0% of reviews — better | 12.1% of reviews |
| Number of ratings | 13 | 223 — better |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.2 — better | 13.0 |
| Further details — not scored | ||
| Size | 41 MB | 221 MB |
| Age rating | 4+ | 4+ |
| Developer | Achim Heynen | ESRI |
Customer experience
GCTools
ArcGIS Survey123
Bugs and requests
GCTools
Not enough reviews yet to summarise bugs or requests.
ArcGIS Survey123
Reported bugs
16 issues- Continuous location services polling even when app is closed
- iPhone 17 photo capture causes complete app crash
- Keyboard hangs during form data entry
- App crashes on login attempts
- Submit checkbox occluded by keyboard
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- Unknown error messages on photo/data submission
- Geopoint displays incorrect location (Africa/Atlantic Ocean)
- Paste answers from favorites feature broken
- External CSV calculations not functioning after updates
- Rating option displays radio buttons with misaligned star images
- Map library shows no compatible maps found
- Related tables cause send/edit failures
- Refresh loop when exiting surveys
- Account creation paradox (need account to create account)
- Federated credential sign-in not supported
- Duo 2FA not displaying properly in embedded browser
Requested features
12 requests- Edit sent survey data capability
- Multiple photo selection from library
- Magic keyboard trackpad support for iPad
- Previous answers dropdown for repeated data entry
- Desktop/web-based survey completion
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- Submit button always visible (not hidden by keyboard)
- macOS app compatibility
- Video selection from photo library
- Note section for additional details
- Arabic language support
- Improved keyboard handling and exit mechanisms
- Most recent surveys shown first by default
In-app purchases
GCTools
- Coordinate Storage$0.99
- Circle Tools$0.99
- Advanced Alphabets$0.99
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- Vigenere/One Time Pad Cipher$0.99
- Coordinate Types$0.99
- 1 Year Full Version$1.99
- Full Version$2.99
ArcGIS Survey123
No in-app purchases









