Participant Id vs Monko Mgl
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Participant Id
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This open-source app aims to support psychological research and protect study participants' privacy by generating secure, anonymous, and stable Participant IDs. # Secure To safeguard your data, we employ the industry-standard encryption method MD5. MD5 is a widely used cryptographic hash function that converts your information into a unique alphanumeric string. It ensures that your data remains confidential and tamper-proof. Once your information is encrypted, the resulting hash is irreversible. This means that the original data cannot be derived from the hash. There is no way to reverse-engineer the original data from the hash. # Anonymous To guarantee privacy, no data is stored or sent over the internet. This app converts your data into a Participant ID without any of it leaving your device. Nobody but you will ever find out what you have entered. You can even turn off your internet access while using the app to be extra safe. # Reproducible & Stable The same inputs will always produce the same Participant ID, and we explicitly selected all questions to have stable answers over time for adults. You don't need to remember your ID because you, and only you, can re-generate it anytime. # Open Source This app is fully open-source, and the entire codebase is available for public scrutiny on GitHub: https://github.com/MoodPatterns/participant_id This means you have the freedom to review, inspect, and verify the code yourself to gain confidence in its security and reliability.
Monko Mgl
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This app is for Mongolia's Monko's teacher and student
Screenshots
Verdict
The clearest difference is update cadence: Monko Mgl at every 2 days against Participant Id's every 19 months. Monko Mgl also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support 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.
Participant Id ships an update every 19 months, Monko Mgl every 2 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Participant Id | Monko Mgl |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 19 months | Every 2 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 โ better |
| Further details โ not scored | ||
| Size | 23 MB | 100 MB |
| Age rating | 4+ | 17+ |
| Developer | Bernhard Piskernik | Zoljargal Munkhbat |
In-app purchases
Participant Id
No in-app purchases
Monko Mgl
No in-app purchases
Questions
Is Participant Id free?
Is Monko Mgl free?
Do Participant Id or Monko Mgl have ads?
Which is updated more often, Participant Id or Monko Mgl?
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