Clusters Complex Pro vs SCIP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Clusters Complex Pro
This app helps children practice complex consonant clusters in English words, phrases, and sentences. It offers engaging themes, randomization, and progress tracking for speech-language pathologists and young learners.
- Complex consonant cluster practice
- 88 words, 440 phrases, 440 sentences
- Over 30 themed categories
- Randomization option
- Progress monitoring and data collection
- Audio recordings for review
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***NEW SALE PRICE $24.99 (REGULARLY $34.99)*** ***ADDITIONAL 50% OFF WITH VOLUME / EDUCATIONAL DISCOUNT*** Welcome to the Clusters Complex! Our app targets the ten most complex clusters, including three-element clusters and complex two-element clusters. It includes 968 photographs depicting 88 words, 440 phrases and 440 sentences. Children may select motivating themes based on specific animals, activities and sports. A randomization option presents the photographs in mixed order. Furthermore, children can engage in self-monitoring and view short reward videos if they achieve a high level of accuracy. SLPs have the option to monitor progress through recordings and data collection over time, all of which can be backed up on a computer or emailed. All words in this app were carefully selected for the above complex clusters. Ideally, the targets also include early-developing sounds in the medial or final word position. For instance, among /skw-/ words are “squad,” “squeaky” and “squeeze.” We did not select “square” or “squabble” because the final sounds may distract from the challenging initial clusters. Additionally, the phrases and sentences were judiciously chosen. As much as possible, they are loaded with early-developing sounds so that the child may focus on the cluster target. For example, the /fl-/ phrase “white floppy hat” allows the child to focus on the /fl-/ target because it is surrounded by the early sounds, /w t p h/. Likewise, the /fl-/ sentence “We took a flight to Maine” provides a facilitative context. • Features CC and sCC clusters (/θr-/, /fl-/, /fr-/, /sl-/, /shr-/, /str-/, /skr-/, /spr-/, /skw-/, /spl-/) • English targets – Words (88) – Phrases (440) – Sentences (440) • Colorful photos and videos • Over 30 themes (sports, animals, activities) for students to choose from; each comes with its own customized buttons, backgrounds, and reward videos • Randomization option • Self-monitoring • Progress monitoring • Customized messages for students • Data collection features include audio recordings which can be emailed, backed up to computer, or stored on your Apple device
SCIP
This therapeutic tool aids speech therapy by implementing evidence-based contrastive phonology approaches. It offers a vast library of words and allows for individualized or group sessions with detailed progress tracking and reporting.
- Five contrastive therapy approaches
- 2,400+ real words and 6,000+ nonsense words
- Individual or group sessions (up to 4 students)
- Individualized treatment targets and data collection
- Printable progress graphs and session notes
- Printable illustrations for practice
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Turbocharge your speech therapy! SCIP (Sound Contrasts In Phonology) is an evidence-based, therapeutic tool developed through a one million dollar NIH grant by ASHA Fellow Dr. A. Lynn Williams. Dr. Williams partnered with EBS Learning to create this revolutionary app to maximize therapy by increasing intelligibility in less time. SCIP allows you to both create and implement treatment approaches using five different contrastive therapy approaches: Multiple Oppositions Minimal Pairs Maximal Oppositions Treatment of the Empty Set Vowel Contrasts SCIP includes more than 2,400 real words and 6,000 nonsense words to provide the widest variety of treatment stimuli and support rapid progress. The app allows individual or group sessions with up to 4 students. In group sessions, each student has individualized treatment targets and data collection. Print or email graphs of treatment progress and individual session notes! Choose the option to treat word-initial or word-final sounds using pictures or illustrations. You can also print illustrations to prepare practice sets to be used away from the iPad or sent home for reinforcement. Amazing features of this app allow you to: Easily create treatment programs with five contrastive approaches. Provide therapy sessions using illustrations or pictures. Collect data and enter therapy notes for each session. Graph treatment data and produce therapy reports. Print illustrations for use away from the iPad. Create and save groups of up to four students each with their own targets and treatment approach. Previously created for use with a computer, this improved and even easier-to-use program is now available as an app on your iPad! "SCIP" the prep time and jump right into treatment!
Screenshots
Verdict
The clearest difference is price: Clusters Complex Pro at $24.99 against SCIP's $59.99. Clusters Complex Pro also leads on review sentiment (100% vs 67%) and update cadence (every 10 days vs every 2 months). SCIP's advantage is ratings volume (4 vs 1). On rating, ads, in-app purchases and monetization model 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
Clusters Complex Pro costs $24.99 and SCIP $59.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Clusters Complex Pro against 5.0 for SCIP. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews are what separate them: 100% of Clusters Complex Pro's written reviews are positive against 67% of SCIP's.
Clusters Complex Pro ships an update every 10 days, SCIP every 2 months. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.
| Parameter | Clusters Complex Pro | SCIP |
|---|---|---|
| Price | $24.99 — better | $59.99 |
| Rating | 5.0 (1 ratings) | 5.0 (4 ratings) |
| Positive reviews | 100.0% of reviews — better | 66.7% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 10 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 10.3 — better | 12.0 |
| Further details — not scored | ||
| Size | 472 MB | 355 MB |
| Age rating | 4+ | 4+ |
| Developer | SLPath LLC | EBS LEARNING INC |
Customer experience
Clusters Complex Pro
SCIP
In-app purchases
Clusters Complex Pro
No in-app purchases
SCIP
No in-app purchases







