# TenseBuilder vs Detail Dynamo

The clearest difference is price: Detail Dynamo at Free against TenseBuilder's $9.99. Detail Dynamo also leads on device support (3 vs 1). TenseBuilder's advantage is in-app purchases (none vs 1) and update cadence (every 6 months vs every 39 months). On ads there is nothing between them.

Detail Dynamo is free to download; TenseBuilder costs $9.99 up front. Detail Dynamo sells 1 one-off in-app purchase. TenseBuilder asks for nothing beyond the download.

TenseBuilder ships an update every 6 months, Detail Dynamo every 39 months. The most recent releases landed on September 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | TenseBuilder | Detail Dynamo |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/tensebuilder/id427577382/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 85.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 39 months |
| Monetization | Paid | — |
| Size | 466 MB | 36 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Education Store LLC](https://appshunter.io/developer/344378744) | [BrainTrain Inc.](https://appshunter.io/developer/584469134) |

## 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


### Detail Dynamo

[App page](https://appshunter.io/ios/app/detail-dynamo-memory-trainer/id1211854259)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $2.99 | one-time |


## Frequently asked questions

### Is TenseBuilder free?

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

### Is Detail Dynamo free?

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

### Do TenseBuilder or Detail Dynamo have ads?

Neither TenseBuilder nor Detail Dynamo shows ads.

### Which is updated more often, TenseBuilder or Detail Dynamo?

TenseBuilder ships an update every 6 months, and Detail Dynamo every 39 months. Most recently, TenseBuilder was updated on September 23, 2026 and Detail Dynamo on October 7, 2026.

---

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