Comparison

WordSuccess vs ReDi

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

Head to head
About

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.

Highlights
  • Word difference practice
  • Quiet and noise environments
  • 45-level hierarchy
  • Over 2,300 spoken words
  • Practice alone or with a coach
  • Placement test
Read full description

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 exercises focus on listening for differences between vowels and consonants. This app is designed for both self-study and working 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”

About

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.

Highlights
  • Auditory and speech practice
  • Independent user exercises
  • Real-time feedback
  • Multiple difficulty levels
  • Suitable for hearing aid/implant users
Read full description

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

WordSuccess4 screens
ReDi4 screens

Verdict

The call

The clearest difference is rating: ReDi at 4.5 against WordSuccess's 3.0. ReDi also leads on update cadence (weekly vs every 9 months) and review sentiment (57% vs 29%). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

ReDi holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: ReDi has 311 ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 29% of WordSuccess's written reviews are positive against 57% of ReDi's.

UpkeepUpdate frequency

WordSuccess ships an update every 9 months, ReDi weekly. Both last shipped on November 7, 2026.

Scorecard5 real differences · 5 level
WordSuccess versus ReDi: the parameters behind the verdict, then further details
ParameterWordSuccessReDi
PriceFreeFree
Rating3.0 (24 ratings)4.5 (311 ratings) — better
Positive reviews28.6% of reviews57.1% of reviews — better
Number of ratings24311 — better
Update frequencyEvery 9 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.6
Further details — not scored
Size118 MB85 MB
Age rating4+4+
DeveloperAdvanced Bionics, LLCMED-EL Elektromedizinische Geraete GmbH

Customer experience

WordSuccess

All ratings24 ratings
Positive37.5%
Neutral29.2%
Negative33.3%
Written reviews14 reviews
Positive28.6%
Neutral35.7%
Negative35.7%

ReDi

All ratings290 ratings
Positive88.6%
Neutral5.5%
Negative5.9%
Written reviews35 reviews
Positive57.1%
Neutral17.1%
Negative25.7%

In-app purchases

None

WordSuccess

No in-app purchases

None

ReDi

No in-app purchases

Questions

Is WordSuccess free?
WordSuccess is free to download, with no in-app purchases.
Is ReDi free?
ReDi is free to download, with no in-app purchases.
Which has better reviews, WordSuccess or ReDi?
ReDi is rated higher. WordSuccess averages 3.0 out of 5 from 24 ratings, while ReDi averages 4.5 from 311 ratings.
Do WordSuccess or ReDi have ads?
Neither WordSuccess nor ReDi shows ads.
Which is updated more often, WordSuccess or ReDi?
WordSuccess ships an update every 9 months, and ReDi weekly. Most recently, WordSuccess was updated on November 7, 2026 and ReDi on November 7, 2026.

Other comparisons