Countee vs Psych Lab 101
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Countee
This app offers a flexible method for real-time data collection, allowing users to create custom templates for tracking events and responses. It supports both frequency and duration measurements, with options for detailed qualifiers and clear session summaries. Data can be exported in common formats and kept private with an optional biometric lock.
- Customizable templates
- Real-time frequency tracking
- Real-time duration tracking
- Detailed qualifiers
- Session summaries and statistics
- Data export (Excel/CSV)
- Optional biometric lock
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Countee – Event & Time Tracking Countee is a simple and flexible way to collect data in real time. Create custom templates and track events and responses using frequency or duration. Whether you're observing behavior, running sessions, or collecting structured data, Countee helps you stay focused and organized. Key features: - Custom templates with flexible response keys - Real-time tracking with frequency and duration - Qualifiers for detailed data collection - Clear session summaries and statistics - Export data as Excel or CSV - Optional Face ID / biometric lock for added privacy All data stays on your device. Made in cooperation with Dr. Varsovia Hernández Eslava.
Psych Lab 101
Explore 35 psychology experiments and 11 visual illusions. Compare your results to classic findings and adjust parameters to see how perception changes. Includes background information and options for class data analysis.
- 35 psychology experiments
- 11 adjustable visual illusions
- Background information and references
- Multiple experiment versions
- Class data analysis upload
- Interactive parameter adjustment
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The perfect companion to any introductory psychology course, Psych Lab 101 contains 35 well-known cognitive and clinical psychology experiments you can try yourself. See how you compare to classic results - figure out how long it takes to mentally scan through groups of objects in the Sternberg scanning paradigm, see if words are recognized faster than letters in a word superiority task, try to spot subtle changes in the change blindness paradigm, and much more! Also included are 11 visual illusions that can be adjusted in real-time, so you can see how size, speed, orientation, or other factors influence your perception. Each experiment includes background information with references, history, and a description of methods. In addition, you can try several versions of each experiment to experience an effect with different stimuli, timing, or conditions. Students can upload their data for automatic combined analysis with the rest of their class. Psych Lab 101 contains the following experiments. Attention and Perception: Change Blindness Choice Reaction Time Dot Probe Dot Probe with images Global Precedence Flanker Compatibility Task Mackworth Clock Test Numerical Stroop Perceptual Matching Simple Reaction Time Spatial Cueing Stop Signal Task Vigilance Visual Search Visual Search (Shapes) Learning and Memory: Affective Priming Dual N-Back Match to Sample N-Back Pitch Memory Semantic Priming (Numbers) Stereotype Priming Sternberg Scanning Visual Patterns Test Common Clinical Tests: AX-CPT Balloon Analog Risk Task Berg's Card Sorting Task CPT-X Go-NoGo Task Iowa Gambling Task IVA-CPT Oddball Task (Auditory) Oddball Task (Visual) Language: Dual Lexical Decision Word Superiority Effect Attention and Perception: Ambiguous Quartet Flash-Lag Effect Hering Illusion Hermann Grid Induced Grating Nesting Squares Ponzo Illusion Scintillating Grid Stepping Feet Illusion Stereokinetic Effect Translating Diamond
Screenshots
Verdict
The clearest difference is rating: Countee at 4.3 against Psych Lab 101's 2.5. Countee also leads on review sentiment (67% vs 50%) and update cadence (every 4 months vs every 13 months). Psych Lab 101's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and monetization model 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.
Countee holds the better App Store score, 4.3 against 2.5. That said, the two scores are not equally well evidenced: Countee has 12 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 67% of Countee's written reviews are positive against 50% of Psych Lab 101's.
Countee ships an update every 4 months, Psych Lab 101 every 13 months. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.
| Parameter | Countee | Psych Lab 101 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (12 ratings) — better | 2.5 (2 ratings) |
| Positive reviews | 66.7% of reviews — better | 50.0% of reviews |
| Number of ratings | 12 — better | 2 |
| Update frequency | Every 4 months — better | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 40 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Digital Taco, vl. Davor Peic-Gavran | Neurobehavioral Systems, Inc. |
Customer experience
Countee
Psych Lab 101
In-app purchases
Countee
No in-app purchases
Psych Lab 101
No in-app purchases








