The Letter Flash Machine vs Smart Science
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Letter Flash Machine
This app helps young children learn to recognize alphabet letters through interactive keyboard matching and picture-based letter identification. It tracks performance and uses sound effects to enhance the learning experience.
- Letter recognition games
- Keyboard matching activity
- Picture-based letter identification
- Performance tracking
- Pronouncing letters
- Sound effects for engagement
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The Letter Flash Machine helps young learners recognize the letters of the alphabet. A randomly selected letter appears on the screen and the student's task is to match the letter by pressing the corresponding letter on the keyboard. In addition, pictures are randomly selected and the task is to find the missing letter. The app keeps track of the child's performance by reporting the number of problems and percent correct for each of the activities. Sound effects are used to make learning fun. For example, during the game, each randomly selected letter is pronounced.
Smart Science
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Explore the wonders of Science with fun quizzes and interactive lessons. Designed for kids, this app combines colorful visuals, engaging questions, and rewarding challenges to make learning exciting and enjoyable.
Screenshots
Verdict
The clearest difference is price: Smart Science at Free against The Letter Flash Machine's $0.99. Smart Science also leads on update cadence (monthly vs every 31 months). The Letter Flash Machine's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement 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
Smart Science is free to download; The Letter Flash Machine costs $0.99 up front. Smart Science sells 1 one-off in-app purchase. The Letter Flash Machine asks for nothing beyond the download.
The Letter Flash Machine ships an update every 31 months, Smart Science monthly. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.
| Parameter | The Letter Flash Machine | Smart Science |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 31 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 15 MB | 190 MB |
| Age rating | 4+ | 4+ |
| Developer | Ventura Educational Systems | Oxford EduVision (M) |
In-app purchases
The Letter Flash Machine
No in-app purchases
Smart Science
- Science Full VersionFree
Questions
Is The Letter Flash Machine free?
Is Smart Science free?
Do The Letter Flash Machine or Smart Science have ads?
Which is updated more often, The Letter Flash Machine or Smart Science?
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