Comparison

VBMAPP vs TallyFlex

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

Head to head
About

VBMAPP

This app is a digital tool for assessing, guiding curriculum, and tracking skills for children with autism or language delays. It simplifies the assessment process with accessible information and automatic scoring, offering video tutorials for guidance.

Highlights
  • Criterion-referenced assessment tool
  • Curriculum guide
  • Skill tracking system
  • Unlimited assessments per student
  • Automatic scoring and plotting
  • Built-in video tutorials
  • Integrated guide with IEP goals
Features
Read full description

VB-MAPP for iOS! Created on behalf of Dr. Mark L. Sundberg, Ph.D., BCBA-D. The VB-MAPP is a criterion-referenced assessment tool, curriculum guide, and skill tracking system that is designed for children with autism, and other individuals who demonstrate language delays. The VB-MAPP is based on established developmental milestones, and research from the field of behavior analysis. The VB-MAPP App facilitates an unlimited number of assessments for each purchased student. Additional students can be unlocked via an in-app purchase. Additional students also enjoy an unlimited number of assessments. The objectives, materials, examples and scoring criterion are readily accessible as part of each question, making the process of conducting the VB-MAPP assessment much, much easier. The results are plotted on the scoring forms automatically saving you a significant amount of time. Built in video tutorials show how to add students, start assessments, explore the scoring forms and how to export the results to parents or colleagues. The entire contents of "the guide" is also built right into the app providing all the suggested IEP goals, guidance on materials that facilitate conducting the assessments and a vast library of information that can greatly enhance any verbal behavior, applied behavior analysis program.

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

VBMAPP4 screens
TallyFlex4 screens

Verdict

The call

The clearest difference is rating: TallyFlex at 4.3 against VBMAPP's 3.7. TallyFlex also leads on update cadence (every 10 days vs every 5 weeks) and review sentiment (64% vs 53%). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. VBMAPP sells 10 one-off in-app purchases and TallyFlex sells 2 in-app purchases, starting at $27.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

TallyFlex holds the better App Store score, 4.3 against 3.7. That said, the two scores are not equally well evidenced: TallyFlex has 87 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 53% of VBMAPP's written reviews are positive against 64% of TallyFlex's.

UpkeepUpdate frequency

VBMAPP ships an update every 5 weeks, TallyFlex every 10 days. The most recent releases landed on September 26, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 5 level
VBMAPP versus TallyFlex: the parameters behind the verdict, then further details
ParameterVBMAPPTallyFlex
PriceFreeFree
Rating3.7 (17 ratings)4.3 (87 ratings) — better
Positive reviews52.9% of reviews64.1% of reviews — better
Number of ratings1787 — better
Update frequencyEvery 5 weeksEvery 10 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size141 MB87 MB
Age rating17+4+
DeveloperData Makes the Difference, LLCTallyFlex LLC

Customer experience

VBMAPP

All ratings17 ratings
Positive70.6%
Neutral0.0%
Negative29.4%
Written reviews17 reviews
Positive52.9%
Neutral0.0%
Negative47.1%

TallyFlex

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

Bugs and requests

VBMAPP

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 more
  • 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 more
  • 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

10 purchases

VBMAPP

One-time10
  • 1 VB-MAPP Assessment - 1 year$18.99
  • 1 Evaluación VB-MAPP - 1 año$18.99
  • 1 VB-MAPP Avaliação - 1 ano$18.99
Show 7 more
  • VB-Mapp Training - ABA 101$29.99
  • 3 VB-MAPP Assessments - 1 year$53.99
  • VB-Mapp Training Library$149.99
  • 10 VB-MAPP Assessments-1 year$169.99
  • 25 VB-MAPP Assessments-1 year$399.99
  • 25 VB-MAPP Évaluations - 1 an$399.99
  • 25 VB-MAPP Avaliações - 1 ano$399.99
2 purchases

TallyFlex

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

Questions

Is VBMAPP free?
VBMAPP is free to download, with in-app purchases available.
Is TallyFlex free?
TallyFlex is free to download, with in-app purchases available.
Which has better reviews, VBMAPP or TallyFlex?
TallyFlex is rated higher. VBMAPP averages 3.7 out of 5 from 17 ratings, while TallyFlex averages 4.3 from 87 ratings.
Do VBMAPP or TallyFlex have ads?
Neither VBMAPP nor TallyFlex shows ads.
Which is updated more often, VBMAPP or TallyFlex?
VBMAPP ships an update every 5 weeks, and TallyFlex every 10 days. Most recently, VBMAPP was updated on September 26, 2026 and TallyFlex on October 12, 2026.

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