# TallyFlex vs Ask Once

The clearest difference is rating: Ask Once at 5.0 against TallyFlex's 4.3. Ask Once also leads on review sentiment (100% vs 63%) and in-app purchases (none vs 2). TallyFlex's advantage is ratings volume (91 vs 1). On price 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. Ask Once asks for nothing beyond the download.

Ask Once holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: TallyFlex has 91 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 63% of TallyFlex's written reviews are positive against 100% of Ask Once's.

## The numbers

| Metric | TallyFlex | Ask Once |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (91 ratings)](https://appshunter.io/ios/app/tallyflex-aba-data-collection/id1531412972/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ask-once/id1536217225/reviews)** |
| Number of ratings | **91** | 1 |
| Positive reviews | 62.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Weekly | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 98 MB | 85 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [TallyFlex LLC](https://appshunter.io/developer/1531412974) | [Rhys Taylor](https://appshunter.io/developer/1536217224) |

## 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 |

**What reviewers like**

- 👍 Easy to use and user-friendly
- 🚀 Quick data collection
- 📊 Visual reports and data tracking
- 💡 Customizable behavior tracking
- ✅ Great for RBTs and BCBAs

**What reviewers complain about**

- 💰 Subscription model disliked
- 📉 Data export challenges
- 🐛 Calculation glitches
- 🤔 Lack of clear documentation/help
- 🚫 Inability to add/manage students (free version)

**Reported bugs**

- 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

**Requested features**

- 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


### Ask Once

[App page](https://appshunter.io/ios/app/ask-once/id1536217225)

This app helps parents build good habits in their children using a consistent reward and feedback system. It allows you to add or subtract points that contribute to a desired reward, fostering a more serious approach to positive reinforcement.

**Highlights:** Habit formation tool for children, Reward and feedback system, Point tracking (add/subtract), Replaces empty promises, Builds serious reward motivation

**In-app purchases:** none


## Frequently asked questions

### Is TallyFlex free?

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

### Is Ask Once free?

Ask Once is free to download, with no in-app purchases.

### Which has better reviews, TallyFlex or Ask Once?

Ask Once is rated higher. TallyFlex averages 4.3 out of 5 from 91 ratings, while Ask Once averages 5.0 from 1 ratings.

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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.*