Comparison

Percentally Pro vs TallyFlex

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

Head to head
About

Percentally Pro

This app helps special educators track student progress and manage data. It allows for the creation of goals, scheduling of sessions, and detailed data collection with export options.

Highlights
  • Goal bank creation
  • Student data management
  • Session scheduling
  • Data collection (tally/percentage)
  • Data export (CSV)
  • Backup and restore data
Features
Read full description

Percentally Pro has greatly improved stability and great new features, making it better than ever! Percentally Pro is a professional data collection app that tracks educational goals via sessions for students with special needs. The scheduling component of Percentally Pro helps special educators such as teachers, SLPs, and OTs to organize and manage student data. Percentally Pro enables you to create goals in a goal bank, add students and assign goals to them, then schedule and run your sessions. With a minimal amount of setup, you will be up and running quickly! GREAT NEW FEATURES: • All new scheduling system built from the ground up • Universal app • Backup and restore data across devices • Export one or all students for a selected range of dates • Export with csv attachment • Add multiple goals at once for a student • Enhanced summary view for a student • Additional UI enhancements SAME GREAT FEATURES: • Schedule sessions that are repeating or single instances • Track minutes per session automatically or manually • Collect data (tally or percentage-based) • Indicate whether tallies are correct with prompting, correct, incorrect, or incorrect with prompting • Calculated data indicates accuracy in terms of independent, prompted, and total • Add an unlimited number of sessions and students • Add an unlimited number of students to a session • Add an unlimited number of goals to the goal bank • Assign an unlimited number of goals to a student • Export data via email or clipboard • ‘Undo’ feature to fix tallying mistakes • Add notes for a student in a session or outside of the session • Configurable audio for marking tallies correct and incorrect

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

Percentally Pro4 screens
TallyFlex4 screens

Verdict

The call

The clearest difference is price: TallyFlex at Free against Percentally Pro's $14.99. TallyFlex also leads on update cadence (weekly vs every 2 months). Percentally Pro's advantage is in-app purchases (none vs 2) and iOS requirement (11.0 vs 15.0). On rating, review sentiment, ratings volume 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

TallyFlex is free to download; Percentally Pro costs $14.99 up front. TallyFlex sells 2 in-app purchases, starting at $27.99 per month. Percentally Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.2 for Percentally Pro against 4.3 for TallyFlex. Both are backed by a comparable volume of ratings — 43 and 90 respectively. Written reviews are what separate them: 67% of Percentally Pro's written reviews are positive against 63% of TallyFlex's.

UpkeepUpdate frequency

Percentally Pro ships an update every 2 months, TallyFlex weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard5 real differences · 5 level
Percentally Pro versus TallyFlex: the parameters behind the verdict, then further details
ParameterPercentally ProTallyFlex
Price$14.99Free — better
Rating4.2 (43 ratings)4.3 (90 ratings) — better
Positive reviews66.7% of reviews — better62.5% of reviews
Number of ratings4390 — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size50 MB98 MB
Age rating4+4+
DeveloperExpressive Solutions LLCTallyFlex LLC

Customer experience

Percentally Pro

All ratings41 ratings
Positive80.5%
Neutral12.2%
Negative7.3%
Written reviews15 reviews
Positive66.7%
Neutral13.3%
Negative20.0%

TallyFlex

All ratings90 ratings
Positive83.3%
Neutral11.1%
Negative5.6%
Written reviews40 reviews
Positive62.5%
Neutral30.0%
Negative7.5%

Bugs and requests

Percentally Pro

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

None

Percentally Pro

No in-app purchases

2 purchases

TallyFlex

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

Questions

Is Percentally Pro free?
Percentally Pro costs $14.99, with no in-app purchases.
Is TallyFlex free?
TallyFlex is free to download, with in-app purchases available.
Which has better reviews, Percentally Pro or TallyFlex?
TallyFlex is rated higher. Percentally Pro averages 4.2 out of 5 from 43 ratings, while TallyFlex averages 4.3 from 90 ratings.
Do Percentally Pro or TallyFlex have ads?
Neither Percentally Pro nor TallyFlex shows ads.
Which is updated more often, Percentally Pro or TallyFlex?
Percentally Pro ships an update every 2 months, and TallyFlex weekly. Most recently, Percentally Pro was updated on October 24, 2026 and TallyFlex on October 25, 2026.

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