Ballet Index vs TMR Memory Test
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ballet Index
This app provides a comprehensive and cross-referenced glossary of ballet terms. It stores all data locally on your device, requiring no network connection. The glossary is continuously growing with new definitions.
- Cross-referenced ballet glossary
- Offline data storage
- 270+ ballet definitions
- Image support (in latest version)
- Continuously growing content
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A fast, cross referenced glossary of Ballet Terms. Data is stored on your iPhone, no network connectivity required. 292 Ballet definitions and growing. If you are looking for images, try updating to the latest version (not on every definition, but we are getting there).
TMR Memory Test
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TMR Memory Test application is used for conducting targeted memory reactivation (TMR) experiment in education purposes. Newly acquired information is stabilized into long-term memory through the process of consolidation. Memories are not static; rather, they are constantly updated via reactivation, and this reactivation occurs preferentially during Slow-Wave Sleep. This application uses method called targeted memory reactivation, whereby auditory cues that were previously associated with learning are re-presented during sleep, triggering recall of stored memories and through this strengthening these memories.
Screenshots
Verdict
The clearest difference is price: TMR Memory Test at Free against Ballet Index's $0.99. TMR Memory Test also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (12.0 vs 16.6). On ads, in-app purchases and device support 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
TMR Memory Test is free to download; Ballet Index costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Ballet Index ships an update every 3 months, TMR Memory Test every 3 weeks. The most recent releases landed on October 31, 2026 and October 26, 2026 respectively.
| Parameter | Ballet Index | TMR Memory Test |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 2.3 (6 ratings) — better | — |
| Positive reviews | 48.4% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Cannonade.Net | Backyard Brains |
In-app purchases
Ballet Index
No in-app purchases
TMR Memory Test
No in-app purchases
Questions
Is Ballet Index free?
Is TMR Memory Test free?
Do Ballet Index or TMR Memory Test have ads?
Which is updated more often, Ballet Index or TMR Memory Test?
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