Comparison

TenseBuilder vs Digit Detective

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

TenseBuilder

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
Read full description

Own as an individual app or as part of our MES Speech Therapy Bundle. Winner - 2012 2nd Best Educational App by Let's Talk SLP Winner - 2012 Best Teaching App by TeachHub.com Winner - 2012 Best Education App by TeachersWithApps.com TenseBuilder is designed to help students learn how to identify and use correct tense forms by playing movie quality animated videos to demonstrate past, present and future tense. 48 video lessons (will expand to 58) are in place to help give students a deeper understanding about the purpose of tense. Special attention is paid to the past tense of irregular verbs. Students will learn how to sequence events and how to differentiate between events that will happen, events that are happening now and events that have already happened. Students will also identify correct written verb forms and drag them to complete sentences. Students have the opportunity to record their sentences in their own voice to improve their receptive and expressive language skills and promote carryover of these target verb forms to their conversational speech. Tense Builder offers a unique environment for improving a student's ability to understand tenses and use verb forms properly. FEATURES -48 target verbs with matching animated movies -Movies employ humor to engage student -Video modeling for each verb and tense form used -Each verb has separate animated lesson to show past, present and future tense -Option to focus on a particular tense -Ability to address past tense developmentally, by first teaching regular past -ed forms and then moving to irregular past. -Includes receptive task, where student taps the correct image to match a sentence, and an expressive task where student drags the correct verb form to complete the sentence -Intuitive drag and drop to create sentences -Words are spoken as they are being dragged for emerging readers -Record feature allows students to record sentences in their own voice -Save and email recorded sentences LANGUAGES - English REQUIREMENTS - Compatible with iPad - Requires iPad 5.0 software update TenseBuilder is part of "The Builder Series" of award winning education apps. Mobile Education Store has won over 40 app awards and has been named educational developer of the year in 2011 and 2012. Mobile Education Tools is a member of Moms with Apps, a collaborative group of family-friendly developers seeking to promote quality apps for kids and families. Recommended Ages: 3-6, 6-10 Categories: Special Needs, Education

About

Digit Detective

Features
Read full description

Features of Digit Detective • Three engaging games that help individuals exercise their memory • Helps train attention, memory and focus • Difficulty level is automatically adjusted • Two-Player Option is available • Scores can also be emailed to keep a record of an individual's progress. • Colorful graphics and lively music make this game fun to play • Kid-safe: No third party ads or tracking This game helps to develop an individual’s attention and memory skills while providing while providing practice remembering number sequences. Adults and young people, ages 13+, will have fun playing and learning in different colorful settings. All of our games are specially created to help individuals practice the cognitive abilities important for success in school and life. The games automatically adjust to allow individuals to learn at a level of difficulty personalized for them. As they succeed, new challenges at harder levels will be presented. Individuals will be challenged to develop their thinking speed as they are required to respond faster and faster in order to win. While an individual's difficulty level is automatically adjusted based on his or her performance, it can be easily modified when necessary. Distraction stimuli can also be added to reinforce increased focus and the ability to stay on task. Each round must be completed for grades to be saved in single player mode. Please note that no grades are saved in two player mode. Two player mode only records which Player (1 or 2) won the match after three rounds are completed. A training session is completed only when the program is stopped and then removed from memory. If the program is left open in the background and it is selected, then the last session started will be continued. You can try out all of the games and their features for free for 60 minutes. If you like the games, you can make a one-time purchase to unlock all of the games for unlimited use. Otherwise, you can continue to play the "Scan" game for free.

Screenshots

Digit Detective4 screens

Verdict

The call

The clearest difference is price: Digit Detective at Free against TenseBuilder's $9.99. Digit Detective 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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

TenseBuilder ships an update every 6 months, Digit Detective every 39 months. The most recent releases landed on June 5, 2026 and September 15, 2026 respectively.

Scorecard5 real differences · 5 level
TenseBuilder versus Digit Detective: the parameters behind the verdict, then further details
ParameterTenseBuilderDigit Detective
Price$9.99Free — better
Rating4.0 (2 ratings) — better—
Positive reviews85.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 6 months — betterEvery 39 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPadiPhone, iPad, iPod — better
Requires iOS10.0 — better13.0
Further details — not scored
Size466 MB26 MB
Age rating4+4+
DeveloperMobile Education Store LLCBrainTrain Inc.

In-app purchases

None

TenseBuilder

No in-app purchases

1 purchases

Digit Detective

One-time1
  • Full Version$2.99

Questions

Is TenseBuilder free?
TenseBuilder costs $9.99, with no in-app purchases.
Is Digit Detective free?
Digit Detective is free to download, with in-app purchases available.
Do TenseBuilder or Digit Detective have ads?
Neither TenseBuilder nor Digit Detective shows ads.
Which is updated more often, TenseBuilder or Digit Detective?
TenseBuilder ships an update every 6 months, and Digit Detective every 39 months. Most recently, TenseBuilder was updated on June 5, 2026 and Digit Detective on September 15, 2026.

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