Comparison

ABA Data Notebook vs TallyFlex

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read 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.

About

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.

Highlights
  • 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
Features
Read 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

TallyFlex4 screens

Verdict

The call

The clearest difference is rating: TallyFlex at 4.3 against ABA Data Notebook's 3.3. TallyFlex also leads on update cadence (every 10 days vs monthly) and ratings volume (87 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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

TallyFlex holds the better App Store score, 4.3 against 3.3. That said, the two scores are not equally well evidenced: TallyFlex has 87 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 64% of TallyFlex's.

UpkeepUpdate frequency

ABA Data Notebook ships an update monthly, TallyFlex every 10 days. The most recent releases landed on September 27, 2026 and October 3, 2026 respectively.

Scorecard7 real differences · 3 level
ABA Data Notebook versus TallyFlex: the parameters behind the verdict, then further details
ParameterABA Data NotebookTallyFlex
PriceFreeFree
Rating3.3 (9 ratings)4.3 (87 ratings) — better
Positive reviews57.1% of reviews64.1% of reviews — better
Number of ratings987 — better
Update frequencyMonthlyEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPadiPhone, iPad, iPod — better
Requires iOS8.0 — better15.0
Further details — not scored
Size30 MB87 MB
Age rating4+4+
DeveloperOperant Systems Inc.TallyFlex LLC

Customer experience

ABA Data Notebook

All ratings9 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews7 reviews
Positive57.1%
Neutral0.0%
Negative42.9%

TallyFlex

All ratings87 ratings
Positive83.9%
Neutral10.3%
Negative5.7%
Written reviews39 reviews
Positive64.1%
Neutral28.2%
Negative7.7%

In-app purchases

None

ABA Data Notebook

No in-app purchases

2 purchases

TallyFlex

Subscriptions2
  • TallyFlex Solo Monthly$27.991 Month
  • Solo Yearly$279.991 Year

Questions

Is ABA Data Notebook free?
ABA Data Notebook is free to download, with no in-app purchases.
Is TallyFlex free?
TallyFlex is free to download, with in-app purchases available.
Which has better reviews, ABA Data Notebook or TallyFlex?
TallyFlex is rated higher. ABA Data Notebook averages 3.3 out of 5 from 9 ratings, while TallyFlex averages 4.3 from 87 ratings.
Do ABA Data Notebook or TallyFlex have ads?
Neither ABA Data Notebook nor TallyFlex shows ads.
Which is updated more often, ABA Data Notebook or TallyFlex?
ABA Data Notebook ships an update monthly, and TallyFlex every 10 days. Most recently, ABA Data Notebook was updated on September 27, 2026 and TallyFlex on October 3, 2026.

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