# Percentally Pro vs TallyFlex

The clearest difference is price: TallyFlex at Free against Percentally Pro's $14.99. TallyFlex also leads on update cadence (every 2 weeks 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.

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.

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 — 42 and 87 respectively. Written reviews are what separate them: 67% of Percentally Pro's written reviews are positive against 64% of TallyFlex's.

Percentally Pro ships an update every 2 months, TallyFlex every 2 weeks. The most recent releases landed on September 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Percentally Pro | TallyFlex |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | [4.2 (42 ratings)](https://appshunter.io/ios/app/percentally-pro/id1037705087/reviews) | **[4.3 (87 ratings)](https://appshunter.io/ios/app/tallyflex-aba-data-collection/id1531412972/reviews)** |
| Number of ratings | 42 | **87** |
| Positive reviews | **66.7% of reviews** | 64.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 50 MB | 87 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Expressive Solutions LLC](https://appshunter.io/developer/344775900) | [TallyFlex LLC](https://appshunter.io/developer/1531412974) |

## What reviewers say

### Percentally Pro

[App page](https://appshunter.io/ios/app/percentally-pro/id1037705087)

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:** macOS Compatibility

**In-app purchases:** none


### TallyFlex

[App page](https://appshunter.io/ios/app/tallyflex-aba-data-collection/id1531412972)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TallyFlex Solo Monthly | $27.99 | per month |
| Solo Yearly | $279.99 | per year |


## Frequently asked 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 42 ratings, while TallyFlex averages 4.3 from 87 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 every 2 weeks. Most recently, Percentally Pro was updated on September 10, 2026 and TallyFlex on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*