# TenseBuilder vs Understanding Inferences Fun Deck

The clearest difference is review sentiment: TenseBuilder at 85% against Understanding Inferences Fun Deck's 42%. TenseBuilder also leads on rating (4.0 vs 3.0). Understanding Inferences Fun Deck's advantage is price ($3.99 vs $9.99) and update cadence (monthly vs every 6 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

TenseBuilder costs $9.99 and Understanding Inferences Fun Deck $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TenseBuilder holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 85% of TenseBuilder's written reviews are positive against 42% of Understanding Inferences Fun Deck's.

TenseBuilder ships an update every 6 months, Understanding Inferences Fun Deck monthly. The most recent releases landed on June 5, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | TenseBuilder | Understanding Inferences Fun Deck |
| --- | --- | --- |
| Price | $9.99 | **$3.99** |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/tensebuilder/id427577382/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/understanding-inferences-fun-deck/id444993226/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | **85.0% of reviews** | 41.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 466 MB | 45 MB |
| Requires iOS | 10.0 | **8.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Education Store LLC](https://appshunter.io/developer/344378744) | [Super Duper Publications](https://appshunter.io/developer/427263142) |

## What reviewers say

### TenseBuilder

[App page](https://appshunter.io/ios/app/tensebuilder/id427577382)

This app uses animated videos to teach students how to identify and use correct past, present, and future verb tenses. It includes interactive exercises and a recording feature to help improve language skills.

**Highlights:** Animated video lessons, Demonstrates past, present, future tense, Focus on irregular past tense verbs, Interactive sentence completion, Voice recording for practice, Drag and drop sentence building

**Features:** macOS Compatibility

**In-app purchases:** none


### Understanding Inferences Fun Deck

[App page](https://appshunter.io/ios/app/understanding-inferences-fun-deck/id444993226)

This app uses illustrated flashcards to help students improve their inferencing and reasoning skills. It provides prompts, allows for scoring of responses, and offers detailed progress tracking. Results can be viewed in graphs and shared via email or print.

**Highlights:** 52 illustrated picture flashcards, Audio prompts for each card, Track correct/incorrect responses, Unlimited player tracking, Manual or automatic card/player advance, View results in a graph, Print and email data

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TenseBuilder free?

TenseBuilder costs $9.99, with no in-app purchases.

### Is Understanding Inferences Fun Deck free?

Understanding Inferences Fun Deck costs $3.99, with no in-app purchases.

### Which has better reviews, TenseBuilder or Understanding Inferences Fun Deck?

TenseBuilder is rated higher. TenseBuilder averages 4.0 out of 5 from 2 ratings, while Understanding Inferences Fun Deck averages 3.0 from 2 ratings.

### Do TenseBuilder or Understanding Inferences Fun Deck have ads?

Neither TenseBuilder nor Understanding Inferences Fun Deck shows ads.

### Which is updated more often, TenseBuilder or Understanding Inferences Fun Deck?

TenseBuilder ships an update every 6 months, and Understanding Inferences Fun Deck monthly. Most recently, TenseBuilder was updated on June 5, 2026 and Understanding Inferences Fun Deck on September 3, 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.*