ABA Data Notebook vs TallyFlex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ABA Data Notebook
This app allows educators and therapists to track student skills and behaviors. It provides tools for defining behaviors, monitoring interventions, and generating reports. Data can be synced across devices and includes curriculum alignment with common assessment tools.
- Concurrent data collection for multiple students
- Skills and behavior management
- Graph and report generation
- Define behaviors, antecedents, and consequences
- Monitor interventions and assessments
- Curriculum alignment with ABLLS, VB_MAPP
- Cross-device data syncing
Read full descriptionHide full description
Description - ABA Data Notebook - Full Feature, provides the capability to collect concurrently for multiple students both skills and behavior management data. Graphs and reports are both on the device and web. Operationally define behaviors, antecedents, consequences, prompt levels, settings, levels of intensity for each student. View the effects of interventions and monitor your Functional Behavior Assessment and Behavior Intervention Plans. Create new targets and Phase Change Lines which are synched with the web. Use a curriculum aligned with common assessment tools, e.g. ABLLS, VB_MAPP, or create your own. Share data amongst different devices and start a session from where you left off.
TallyFlex
This app replaces paper data sheets for behavioral data collection. It helps professionals like BCBAs and RBTs work faster and more accurately with clients in clinics, schools, and homes. It offers various tracking methods and secure data export for reports.
- Replace paper data sheets
- Track ABC data, frequency, duration, latency
- Automatic timers for interval recording
- Task analysis and prompt codes
- Track multiple behaviors simultaneously
- Export data to PDF, CSV, XLSX
- Works offline
Read full descriptionHide full description
Collect behavior and skill data, review progress, and prepare reports in one app. TallyFlex brings behavior and skill data, progress graphs, session notes, and reports together for BCBAs, RBTs, special education teachers, and other professionals. Collect during the session Track behavior and skills with frequency, duration, latency, percent correct, interval recording, and momentary time sampling. Record ABC data, break skills into task-analysis steps, and document prompt levels. Review session details Review a session’s collected data, graph, recorded events, and saved notes in one service record. Expand the event timeline to follow the sequence of recorded events. Follow progress over time Review progress graphs and add annotations for changes such as staffing or schedule updates. Organize programs into phases and targets to keep the skills you are working on connected. Bring clear reports to your next review Create PDF reports with graphs and summaries. Review session notes in a Notes Only report, or combine a day's service records, data summaries, timeline events, and notes in a Daily report. Export raw data to CSV or Excel. The Free plan includes core data collection, session notes, and basic CSV and Excel export. Programs, task analysis, prompt levels, full session timelines, and PDF reports require a paid subscription. Solo is a subscription for individual use, available through in-app purchase. Start collecting with TallyFlex. Questions? support@tallyflex.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: TallyFlex at 4.3 against ABA Data Notebook's 3.3. TallyFlex also leads on update cadence (weekly vs monthly) and ratings volume (90 vs 9). ABA Data Notebook's advantage is in-app purchases (none vs 2) and iOS requirement (8.0 vs 15.0). On price, review sentiment and ads 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. TallyFlex sells 2 in-app purchases, starting at $27.99 per month. ABA Data Notebook asks for nothing beyond the download.
TallyFlex holds the better App Store score, 4.3 against 3.3. That said, the two scores are not equally well evidenced: TallyFlex has 90 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 57% of ABA Data Notebook's written reviews are positive against 63% of TallyFlex's.
ABA Data Notebook ships an update monthly, TallyFlex weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | ABA Data Notebook | TallyFlex |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (9 ratings) | 4.3 (90 ratings) — better |
| Positive reviews | 57.1% of reviews | 62.5% of reviews — better |
| Number of ratings | 9 | 90 — better |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 30 MB | 98 MB |
| Age rating | 4+ | 4+ |
| Developer | Operant Systems Inc. | TallyFlex LLC |
Customer experience
ABA Data Notebook
TallyFlex
Bugs and requests
ABA Data Notebook
Not enough reviews yet to summarise bugs or requests.
TallyFlex
Reported bugs
13 issues- Calendar not showing current sessions
- Data export results in empty Excel sheet
- Calculations and percentages are unreliable
- Data stops being counted after a certain number of opportunities
- Exported data format for duration is hard to graph
Show 8 moreShow fewer
- Recent update messed up client info
- Data not transferring when emailed
- Feature to see current sessions in 'today' tab stopped working
- Account verification email not received
- App stuck on email verification screen
- Account temporarily disabled
- Cannot add students on free version
- Cannot upgrade account
Requested features
27 requests- Offer a 'lite' subscription for SLPAs/BCaBAs
- Add more data collection options/types (chaining, TAs, checklists)
- Allow uploading pre-made data sheets
- Add sound alerts for timers
- Ability to re-organize behaviors on screens
Show 22 moreShow fewer
- Track exemplars
- Add sub-goals under main goals
- Cold probe button/data collection
- Shared sessions/collaborative data collection
- Ability to add multiple students in one session
- Add prompts needed for a correct response
- macOS app that syncs
- Ability to add other team members for consistency
- Printable daily reports
- More descriptive session names or notes
- Export to CSV or Google Sheets
- Export raw data and graph
- Prompt required tracking
- Add descriptions to behaviors and option to show/hide
- Go back to list of behaviors and add current behaviors during session
- Website for help and learning
- Easier way to export data with graphs
- Time-stamped keystrokes for individual bouts
- Break down sessions further if needed
- Export qualitative notes
- Export session duration with time
- Shared location for a single student
In-app purchases
ABA Data Notebook
No in-app purchases
TallyFlex
- TallyFlex Solo Monthly$27.991 Month
- Solo Yearly$279.991 Year
Questions
Is ABA Data Notebook free?
Is TallyFlex free?
Which has better reviews, ABA Data Notebook or TallyFlex?
Do ABA Data Notebook or TallyFlex have ads?
Which is updated more often, ABA Data Notebook or TallyFlex?
Other comparisons
