# TallyFlex vs Full Spectrum ABA

The clearest difference is rating: Full Spectrum ABA at 5.0 against TallyFlex's 4.3. Full Spectrum ABA also leads on review sentiment (100% vs 64%) and in-app purchases (none vs 2). TallyFlex's advantage is update cadence (every 2 weeks vs every 2 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. TallyFlex sells 2 in-app purchases, starting at $27.99 per month. Full Spectrum ABA asks for nothing beyond the download.

Full Spectrum ABA holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 87 and 59 respectively. Written reviews point the same way: 64% of TallyFlex's written reviews are positive against 100% of Full Spectrum ABA's.

TallyFlex ships an update every 2 weeks, Full Spectrum ABA every 2 months. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | TallyFlex | Full Spectrum ABA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (87 ratings)](https://appshunter.io/ios/app/tallyflex-aba-data-collection/id1531412972/reviews) | **[5.0 (59 ratings)](https://appshunter.io/ios/app/full-spectrum-aba/id1598376819/reviews)** |
| Number of ratings | **87** | 59 |
| Positive reviews | 64.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 87 MB | 50 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [TallyFlex LLC](https://appshunter.io/developer/1531412974) | [Full Spectrum Behavior Analysis LLC](https://appshunter.io/developer/1598376821) |

## What reviewers say

### 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 |


### Full Spectrum ABA

[App page](https://appshunter.io/ios/app/full-spectrum-aba/id1598376819)

Access free Continuing Education Units for ABA providers, including journal clubs, leadership programs, podcasts, and training. The app also provides information on ABA therapy services for children and young adults with autism.

**Highlights:** Free CEUs for ABA providers, Journal clubs and podcasts, Leadership and entrepreneurship programs, PGP trainings and RBT mentorship, Information on ABA therapy services, Autistic advocacy updates

**In-app purchases:** none


## Frequently asked questions

### Is TallyFlex free?

TallyFlex is free to download, with in-app purchases available.

### Is Full Spectrum ABA free?

Full Spectrum ABA is free to download, with no in-app purchases.

### Which has better reviews, TallyFlex or Full Spectrum ABA?

Full Spectrum ABA is rated higher. TallyFlex averages 4.3 out of 5 from 87 ratings, while Full Spectrum ABA averages 5.0 from 59 ratings.

### Do TallyFlex or Full Spectrum ABA have ads?

Neither TallyFlex nor Full Spectrum ABA shows ads.

### Which is updated more often, TallyFlex or Full Spectrum ABA?

TallyFlex ships an update every 2 weeks, and Full Spectrum ABA every 2 months. Most recently, TallyFlex was updated on September 24, 2026 and Full Spectrum ABA on September 18, 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.*