WordSuccess vs ReDi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WordSuccess
This free program helps adults with hearing aids or cochlear implants improve their ability to distinguish between words, both in quiet and noisy environments. It offers a 45-level hierarchy of exercises, over 2,300 spoken words, and the option to practice alone or with a listening coach.
- Word difference practice
- Quiet and noise environments
- 45-level hierarchy
- Over 2,300 spoken words
- Practice alone or with a coach
- Placement test
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This free program is for adults using hearing aids or cochlear implants who want to practice listening for word differences in both quiet and noise. The ability to discriminate between vowels and consonants is a skill that improves with practice. This app is designed for both self-study or work with a friend or other party (referred to as your “Listening Coach”). After you take the placement test, the app will suggest areas to visit where you can practice listening for words or words within phrases in a 45-level hierarchy. You can choose to add noise at any time to increase the difficulty. WordSuccess is easy to navigate and is packed with useful features, including: •A placement test you can take at any time which will lead you to recommended levels •A 45-level hierarchy of word differences •Over 2,300 recorded spoken words to test discrimination skills •Options to practice alone or with a friend acting as a “Listening Coach”
ReDi
This app helps users of hearing technology practice auditory and speech skills independently. It offers structured exercises with immediate feedback, suitable for various difficulty levels and available on mobile devices.
- Auditory and speech practice
- Independent user exercises
- Real-time feedback
- Multiple difficulty levels
- Suitable for hearing aid/implant users
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ReDi is an easy-to-use rehabilitation app designed to assist users of hearing technology to practice their auditory and speech skills. The exercises can be performed independently by the user. This app is logically structured, offers different levels of difficulty, and provides immediate feedback. ReDi works whenever and wherever you wish on your mobile device. - Scaffolds through different auditory and speech practice levels. - Listening and speech feedback in real time. - Ideal for individuals who don't have practice partners. - Suitable for users of hearing implants and hearing aids. - Founded in clinical practice. - Recommended for older children, teenagers, and adults. - ReDi is continuously developed and optimized. - Platform based, therefore always available. Get ready to practice with ReDi!
Screenshots
Verdict
The clearest difference is rating: ReDi at 4.5 against WordSuccess's 3.3. ReDi also leads on ads (none vs shown) and update cadence (weekly vs every 6 months). WordSuccess's advantage is iOS requirement (13.0 vs 15.6). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ReDi holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: ReDi has 290 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 36% of WordSuccess's written reviews are positive against 57% of ReDi's.
WordSuccess ships an update every 6 months, ReDi weekly. The most recent releases landed on October 10, 2026 and October 17, 2026 respectively.
| Parameter | WordSuccess | ReDi |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (14 ratings) | 4.5 (290 ratings) — better |
| Positive reviews | 36.4% of reviews | 57.1% of reviews — better |
| Number of ratings | 14 | 290 — better |
| Update frequency | Every 6 months | Weekly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 118 MB | 85 MB |
| Age rating | 4+ | 4+ |
| Developer | Advanced Bionics, LLC | MED-EL |
Customer experience
WordSuccess
ReDi
In-app purchases
WordSuccess
No in-app purchases
ReDi
No in-app purchases







