CHECKER Field Surveyor vs Appen Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CHECKER Field Surveyor
This app facilitates offline data collection for mystery shopping and other survey needs. It allows users to manage questionnaires, attach files, and take photos directly within the app, supporting multiple languages and synchronizing data with a server.
- Offline jobs management
- Questionnaire variables
- Synchronizes with server
- Full download questionnaires structure and logic
- File attachments
- Take pictures directly from camera
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A version of the Checker Field Surveyor is now available for Apple devices, The application can be used for - Mystery Shopping visits - Any other data collection method that can benefit from an off-line application. Here are some features supported - Offline jobs management - Questionnaire variables - Synchronizes with server - Full download questionnaires structure and logic - File attachments - Take pictures directly from camera during questionnaire filling Fully supports any language: Cyrillic, Latin, Asian, Arabic and much more User interface translated to English, Spanish, French, Russian, Portuguese, Arabic, Japanese, Hindi, Romanian.
Appen Mobile
Engage in paid work, from full-time to flexible tasks, contributing to the development of advanced AI models. Activities include capturing images, videos, and audio. While the app facilitates mobile work, some initial setup may require a computer.
- AI model data collection
- Image, video, and audio tasks
- Flexible and full-time jobs
- Global contractor network
- Remote work opportunities
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Participate in paid, full-time or flex-time-jobs powering new and popular Artificial Intelligence models. Choose tasks like taking pictures of objects, taking videos or recording audio. FOR BEST EXPERIENCE: It’s recommended you use a computer when prompted for some of the registration and project selection steps before beginning work in the app. Appen collects and labels images, text, speech, audio, video, and other data used to build and continuously improve the world’s most innovative artificial intelligence systems. We have been recognized by FlexJobs as a Top 100 Company to Watch for Remote Jobs. We have a global crowd of over 1 million skilled contractors who speak over 180 languages and dialects, in over 70,000 locations and 130 countries. Visit https://appen.com/ to learn more about Appen.
Screenshots
Verdict
The clearest difference is rating: CHECKER Field Surveyor at 5.0 against Appen Mobile's 1.9. CHECKER Field Surveyor also leads on iOS requirement (10.0 vs 15.3). Appen Mobile's advantage is ratings volume (125 vs 1). On price, update cadence, ads and in-app purchases 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.
CHECKER Field Surveyor holds the better App Store score, 5.0 against 1.9. That said, the two scores are not equally well evidenced: Appen Mobile has 125 ratings behind it against 1, so its average is the more settled of the two.
CHECKER Field Surveyor ships an update every 2 weeks, Appen Mobile fortnightly. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.
| Parameter | CHECKER Field Surveyor | Appen Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 1.9 (125 ratings) |
| Positive reviews | — | 5.7% of reviews |
| Number of ratings | 1 | 125 — better |
| Update frequency | Every 2 weeks — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.3 |
| Further details — not scored | ||
| Size | 22 MB | 64 MB |
| Age rating | 4+ | 17+ |
| Developer | Mor Alon | Appen Pty. Ltd. |
Customer experience
CHECKER Field Surveyor
Appen Mobile
Bugs and requests
CHECKER Field Surveyor
Not enough reviews yet to summarise bugs or requests.
Appen Mobile
Reported bugs
4 issues- Login issues
- Inability to upload videos
- Inconsistent performance across devices
- Unreliable task availability
Requested features
4 requests- Improved customer support
- More language options
- Ability to track earnings and progress
- Offline mode for tasks
In-app purchases
CHECKER Field Surveyor
No in-app purchases
Appen Mobile
No in-app purchases
Questions
Is CHECKER Field Surveyor free?
Is Appen Mobile free?
Which has better reviews, CHECKER Field Surveyor or Appen Mobile?
Do CHECKER Field Surveyor or Appen Mobile have ads?
Which is updated more often, CHECKER Field Surveyor or Appen Mobile?
Other comparisons
